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Pipeline output: - ABVP: Agent Behavior Verification Protocol (quality 3.0/5) - AEM: Privacy-Preserving Agent Learning Protocol (quality 2.1/5) - ATD: Agent Task DAG Framework (quality 2.5/5) - HITL: Human-in-the-Loop Primitives (quality 2.4/5) - AEPB: Real-Time Agent Rollback Protocol (quality 2.5/5) - APAE: Agent Provenance Assurance Ecosystem (quality 2.5/5) Quality gates: all pass novelty + references, format gate improved with markdown stripping (_strip_markdown) and dynamic header padding. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Internet-Draft nmrg
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Intended status: standards-track March 2026
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Expires: September 05, 2026
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Real-Time Agent Rollback Protocol (RARP) for Autonomous Network Operations
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draft-agent-ecosystem-agent-rollback-protocol-00
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Abstract
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Autonomous agents in network operations environments require the
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ability to quickly and safely rollback actions when incorrect
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decisions are made. While existing protocols enable agent
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communication and coordination, no standardized mechanism exists
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for distributed rollback operations across heterogeneous agent
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systems. This document specifies the Real-Time Agent Rollback
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Protocol (RARP), which provides coordinated rollback mechanisms
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for autonomous network agents. RARP defines checkpoint creation,
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rollback initiation procedures, state consistency verification,
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and cross-domain rollback coordination through agent gateways. The
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protocol integrates with existing agent communication frameworks
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and supports both immediate rollback for safety-critical scenarios
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and delayed rollback for complex distributed operations. RARP
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enables production deployment of autonomous network operations by
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providing the safety mechanisms necessary for agent decision
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reversal across distributed systems.
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Status of This Memo
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This Internet-Draft is submitted in full conformance with the
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provisions of BCP 78 and BCP 79.
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This document is intended to have standards-track status.
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Distribution of this memo is unlimited.
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Terminology
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The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
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NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED",
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"MAY", and "OPTIONAL" in this document are to be interpreted as
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described in BCP 14 [RFC2119] [RFC8174] when, and only when, they
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appear in all capitals, as shown here.
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Rollback Point
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A consistent state snapshot across distributed agents from
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which rollback operations can be initiated
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Agent Transaction
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A coordinated set of actions performed by one or more agents
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that can be treated as an atomic unit for rollback purposes
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Rollback Coordinator
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An entity responsible for orchestrating rollback operations
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across multiple agents and domains
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Checkpoint Consistency
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The property that all agents participating in a rollback point
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have synchronized their state at the same logical time
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Cross-Domain Rollback
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A rollback operation that spans multiple administrative or
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protocol domains requiring gateway-mediated coordination
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Immediate Rollback
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A rollback operation initiated without coordination delays for
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safety-critical scenarios
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Coordinated Rollback
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A rollback operation that requires multi-agent coordination and
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consensus before execution
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Table of Contents
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1. Introduction ................................................ 3
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2. Terminology ................................................. 4
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3. Problem Statement ........................................... 5
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4. RARP Architecture and Components ............................ 6
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5. Checkpoint Creation and Management .......................... 7
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6. Rollback Initiation and Coordination ........................ 8
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7. Integration with Existing Agent Protocols ................... 9
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8. Security Considerations ..................................... 10
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9. IANA Considerations ......................................... 11
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10. References .................................................. 12
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1. Introduction
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The proliferation of autonomous agents in network operations has
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introduced unprecedented capabilities for self-healing,
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optimization, and adaptive management across complex distributed
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systems. As described in [draft-chuyi-nmrg-ai-agent-network], AI-
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powered agents can now perform sophisticated reasoning and
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decision-making across previously isolated network management
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domains. However, the autonomous nature of these systems
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introduces a critical challenge: when agents make incorrect
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decisions or encounter unexpected conditions, there exists no
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standardized mechanism to safely and efficiently reverse their
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actions across distributed environments.
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Current agent communication frameworks, including those specified
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in [draft-fu-nmop-agent-communication-framework] and [draft-li-
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dmsc-macp], provide robust mechanisms for agent coordination and
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message exchange but do not address the fundamental requirement
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for transaction-like rollback capabilities. While traditional
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network management protocols such as NETCONF [RFC6241] include
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rollback mechanisms for configuration changes, these operate
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within single administrative domains and cannot coordinate complex
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rollback operations across heterogeneous agent systems spanning
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multiple domains and protocol layers.
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The Real-Time Agent Rollback Protocol (RARP) addresses this gap by
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providing a standardized framework for coordinated rollback
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operations in autonomous network environments. RARP builds upon
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existing agent communication protocols and extends the cross-
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domain collaboration mechanisms outlined in [draft-han-rtgwg-
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agent-gateway-intercomm-framework] to enable rollback coordination
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through gateway intermediaries. The protocol supports both
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immediate rollback for safety-critical scenarios where agent
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actions must be reversed without delay, and coordinated rollback
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for complex distributed operations requiring multi-agent consensus
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and state synchronization.
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The architecture defined in this document integrates with existing
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agent controller coordination mechanisms [draft-jadoon-nmrg-
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agentic-ai-autonomous-networks] while introducing specialized
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rollback coordinators and checkpoint managers that operate
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alongside current agent communication infrastructure. RARP
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leverages established security frameworks including TLS 1.3
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[RFC8446] and OAuth 2.0 [RFC6749] to ensure authenticated and
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authorized rollback operations across administrative boundaries.
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By providing these safety mechanisms, RARP enables the production
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deployment of autonomous network operations with the confidence
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that agent decisions can be safely reversed when necessary.
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This specification defines the protocol semantics, message formats
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using JSON [RFC8259] encoding, and integration patterns necessary
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for implementing RARP across diverse agent ecosystems. The key
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words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
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"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY",
|
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and "OPTIONAL" in this document are to be interpreted as described
|
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in BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in
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all capitals, as shown here.
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2. Terminology
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This document uses terminology consistent with existing agent
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communication and network management protocols. The key words
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"MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD",
|
||||
"SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
|
||||
"OPTIONAL" in this document are to be interpreted as described in
|
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BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
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capitals, as shown here.
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The following terms are defined for use throughout this
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specification:
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Agent: An autonomous software entity capable of making decisions
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and performing actions in network operations environments, as
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defined in [draft-fu-nmop-agent-communication-framework]. Agents
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operate with varying degrees of autonomy and may collaborate
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through standardized communication protocols.
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Agent Gateway: A protocol intermediary that enables communication
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and coordination between agents operating in different
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administrative domains or using different communication protocols,
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as specified in [draft-han-rtgwg-agent-gateway-intercomm-
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framework]. Agent gateways provide protocol translation and policy
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enforcement for cross-domain agent interactions.
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Agent Transaction: A coordinated set of actions performed by one
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or more agents that can be treated as an atomic unit for rollback
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purposes. Agent transactions may span multiple network devices,
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protocol domains, or administrative boundaries and maintain
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consistency properties across distributed operations.
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Checkpoint: A persistent snapshot of agent state and network
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configuration that serves as a potential rollback target.
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Checkpoints contain sufficient information to restore agents and
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affected network elements to a previously known consistent state.
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Checkpoint Consistency: The property that all agents participating
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in a rollback point have synchronized their state at the same
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logical time. Consistency verification ensures that rollback
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operations restore the system to a coherent state across all
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participating entities.
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Checkpoint Manager: A system component responsible for creating,
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storing, validating, and managing rollback checkpoints. Checkpoint
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managers coordinate with agents to capture state snapshots and
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maintain checkpoint metadata required for rollback operations.
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Coordination State: The current status of multi-agent
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collaboration activities, including pending transactions, active
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rollback operations, and inter-agent dependencies. Coordination
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states are maintained by rollback coordinators to ensure proper
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sequencing of rollback operations.
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Cross-Domain Rollback: A rollback operation that spans multiple
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administrative or protocol domains requiring gateway-mediated
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coordination. Cross-domain rollbacks involve additional complexity
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for authentication, authorization, and state synchronization
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across domain boundaries.
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|
||||
Coordinated Rollback: A rollback operation that requires multi-
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agent coordination and consensus before execution. Coordinated
|
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rollbacks involve explicit agreement protocols to ensure all
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affected agents participate in the rollback operation and reach
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consistent post-rollback states.
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||||
|
||||
Immediate Rollback: A rollback operation initiated without
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coordination delays for safety-critical scenarios. Immediate
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rollbacks prioritize rapid response over coordination completeness
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||||
and are typically used when network safety or security is at
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immediate risk.
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|
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Rollback Coordinator: An entity responsible for orchestrating
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rollback operations across multiple agents and domains. Rollback
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coordinators implement the consensus and coordination protocols
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required for distributed rollback operations and may operate in
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hierarchical configurations for scalability.
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Rollback Point: A consistent state snapshot across distributed
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agents from which rollback operations can be initiated. Rollback
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points represent verified consistent states that can be safely
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restored through coordinated agent actions.
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3. Problem Statement
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|
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The deployment of autonomous agents in network operations
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environments introduces fundamental challenges in ensuring
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operational safety through reliable rollback mechanisms. Current
|
||||
agent communication protocols, including those specified in
|
||||
[draft-fu-nmop-agent-communication-framework] and [draft-han-
|
||||
rtgwg-agent-gateway-intercomm-framework], provide sophisticated
|
||||
mechanisms for agent coordination and cross-domain collaboration
|
||||
but lack standardized approaches for distributed rollback
|
||||
operations. When autonomous agents make incorrect decisions or
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encounter unexpected failure conditions, the ability to quickly
|
||||
and consistently revert to a known-good state becomes critical for
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maintaining network stability and service availability.
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||||
|
||||
State consistency across distributed agent systems presents the
|
||||
most significant challenge in implementing effective rollback
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||||
mechanisms. Unlike traditional centralized systems where rollback
|
||||
operations can be performed atomically, autonomous network agents
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||||
operate across multiple administrative domains, protocol layers,
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||||
and time scales as described in [draft-jadoon-nmrg-agentic-ai-
|
||||
autonomous-networks]. Each agent maintains its own local state and
|
||||
interacts with network infrastructure through different
|
||||
interfaces, including NETCONF [RFC6241], RESTful APIs, and
|
||||
proprietary management protocols. Ensuring that all participating
|
||||
agents can synchronously return to a consistent checkpoint state
|
||||
requires sophisticated coordination mechanisms that current agent
|
||||
communication frameworks do not provide. The distributed nature of
|
||||
these systems means that network partitions, communication delays,
|
||||
and partial failures can result in inconsistent rollback states
|
||||
where some agents successfully revert while others remain in post-
|
||||
action states.
|
||||
|
||||
Cross-domain coordination introduces additional complexity as
|
||||
agents operating in different administrative domains must
|
||||
coordinate rollback operations through gateway intermediaries. The
|
||||
agent gateway framework specified in [draft-han-rtgwg-agent-
|
||||
gateway-intercomm-framework] enables cross-domain agent
|
||||
collaboration but does not address the specific requirements for
|
||||
propagating rollback requests, maintaining checkpoint consistency
|
||||
across domain boundaries, or handling authorization and security
|
||||
constraints in multi-domain rollback scenarios. Different domains
|
||||
may have varying rollback policies, checkpoint retention
|
||||
requirements, and security constraints that must be negotiated and
|
||||
enforced during cross-domain rollback operations. Furthermore, the
|
||||
hierarchical nature of network operations means that rollback
|
||||
decisions made at higher levels may cascade to multiple lower-
|
||||
level domains, requiring sophisticated dependency tracking and
|
||||
coordination protocols.
|
||||
|
||||
Timing constraints in network operations environments create
|
||||
additional challenges for rollback protocol design. Safety-
|
||||
critical scenarios, such as security incidents or cascading
|
||||
failures, require immediate rollback capabilities that cannot wait
|
||||
for full distributed coordination to complete. However, immediate
|
||||
rollback operations risk creating inconsistent states if not all
|
||||
participating agents can execute the rollback synchronously.
|
||||
Conversely, complex distributed operations may require coordinated
|
||||
rollback procedures that involve extensive negotiation and
|
||||
validation phases, but network conditions may change during these
|
||||
coordination periods, potentially invalidating the target rollback
|
||||
state. Current agent communication protocols lack mechanisms for
|
||||
expressing these timing constraints and do not provide
|
||||
differentiated handling for immediate versus coordinated rollback
|
||||
scenarios.
|
||||
|
||||
Existing agent communication frameworks also lack adequate
|
||||
mechanisms for rollback-specific concerns including checkpoint
|
||||
metadata management, rollback authorization, and audit trail
|
||||
generation. The multi-agent coordination protocols specified in
|
||||
[draft-li-dmsc-macp] provide general coordination primitives but
|
||||
do not address the specific state management requirements for
|
||||
maintaining consistent checkpoint data across distributed systems.
|
||||
Additionally, current protocols do not define standardized
|
||||
approaches for validating checkpoint integrity, handling rollback
|
||||
conflicts when multiple agents attempt simultaneous rollback
|
||||
operations, or providing the detailed audit capabilities required
|
||||
for post-rollback analysis and compliance reporting in production
|
||||
network environments.
|
||||
|
||||
4. RARP Architecture and Components
|
||||
|
||||
The Real-Time Agent Rollback Protocol architecture is designed to
|
||||
integrate seamlessly with existing autonomous agent
|
||||
infrastructures while providing coordinated rollback capabilities
|
||||
across distributed network operations environments. The
|
||||
architecture follows a layered approach that separates rollback
|
||||
coordination logic from agent-specific implementations, enabling
|
||||
deployment across heterogeneous agent systems. RARP components
|
||||
leverage existing agent communication frameworks defined in
|
||||
[draft-fu-nmop-agent-communication-framework] and integrate with
|
||||
agent gateway mechanisms specified in [draft-han-rtgwg-agent-
|
||||
gateway-intercomm-framework] to provide cross-domain rollback
|
||||
coordination capabilities.
|
||||
|
||||
The core RARP architecture consists of three primary component
|
||||
types: Rollback Coordinators, Checkpoint Managers, and Agent
|
||||
Rollback Interfaces. Rollback Coordinators serve as the
|
||||
orchestration layer for rollback operations and MUST implement
|
||||
coordination protocols for both immediate and delayed rollback
|
||||
scenarios. These coordinators maintain awareness of agent
|
||||
relationships, transaction boundaries, and rollback dependencies
|
||||
across the distributed system. Checkpoint Managers handle the
|
||||
creation, storage, validation, and retrieval of rollback points,
|
||||
implementing consistency verification procedures to ensure
|
||||
distributed state coherence. Agent Rollback Interfaces provide the
|
||||
integration layer between RARP components and existing agent
|
||||
systems, translating rollback operations into agent-specific state
|
||||
restoration procedures while maintaining compatibility with
|
||||
established agent communication protocols.
|
||||
|
||||
RARP supports both hierarchical and distributed deployment models
|
||||
to accommodate varying network topologies and administrative
|
||||
requirements. In hierarchical deployments, a primary Rollback
|
||||
Coordinator oversees subordinate coordinators within each
|
||||
administrative domain, providing centralized rollback decision-
|
||||
making while delegating local coordination to domain-specific
|
||||
components. This model aligns with the centralized agent
|
||||
controller coordination patterns described in [draft-jadoon-nmrg-
|
||||
agentic-ai-autonomous-networks] and enables efficient rollback
|
||||
operations across large-scale autonomous network deployments.
|
||||
Distributed deployments eliminate single points of failure by
|
||||
implementing peer-to-peer coordination among Rollback
|
||||
Coordinators, using consensus mechanisms to ensure consistent
|
||||
rollback decisions across all participating domains.
|
||||
|
||||
Integration with existing agent gateway infrastructure enables
|
||||
RARP to operate across heterogeneous agent systems without
|
||||
requiring modifications to established communication protocols.
|
||||
Agent gateways specified in [draft-han-rtgwg-agent-gateway-
|
||||
intercomm-framework] are extended with RARP capability negotiation
|
||||
and rollback message translation functions, allowing rollback
|
||||
coordination between agents using different communication
|
||||
frameworks. The architecture maintains protocol compatibility by
|
||||
implementing rollback operations as extensions to existing agent
|
||||
collaboration protocols rather than replacing established
|
||||
communication mechanisms. This approach ensures that RARP can be
|
||||
incrementally deployed in production environments without
|
||||
disrupting existing agent operations.
|
||||
|
||||
The RARP architecture incorporates checkpoint consistency
|
||||
verification mechanisms that operate independently of agent-
|
||||
specific state representations. Checkpoint Managers implement
|
||||
distributed timestamp synchronization and state validation
|
||||
procedures to ensure that rollback points represent truly
|
||||
consistent distributed states across all participating agents. The
|
||||
architecture supports integration with AI Agent Network systems as
|
||||
described in [draft-chuyi-nmrg-ai-agent-network] by providing
|
||||
rollback interfaces that can reverse automated reasoning and
|
||||
decision-making operations performed by large language model-based
|
||||
agents. Component communication within the RARP architecture
|
||||
utilizes secure transport mechanisms including TLS 1.3 [RFC8446]
|
||||
and QUIC [RFC9000] to ensure rollback coordination messages are
|
||||
protected against tampering and unauthorized access during
|
||||
transmission between distributed components.
|
||||
|
||||
5. Checkpoint Creation and Management
|
||||
|
||||
Checkpoint creation in RARP enables autonomous agents to establish
|
||||
consistent state snapshots that serve as restoration points for
|
||||
rollback operations. Agents MUST implement checkpoint creation
|
||||
capabilities that capture both local state information and
|
||||
coordination metadata necessary for distributed rollback
|
||||
operations. The checkpoint creation process involves state
|
||||
serialization, metadata generation, and consistency coordination
|
||||
with peer agents participating in the same logical transaction
|
||||
scope. Agents SHOULD create checkpoints at natural transaction
|
||||
boundaries and MAY create additional checkpoints based on risk
|
||||
assessment algorithms or external triggers.
|
||||
|
||||
The checkpoint data structure MUST include agent state
|
||||
information, transaction identifiers, temporal consistency
|
||||
markers, and dependency relationships with other agents as
|
||||
specified in [draft-han-rtgwg-agent-gateway-intercomm-framework].
|
||||
Checkpoint metadata MUST conform to the JSON format specified in
|
||||
[RFC8259] and include fields for checkpoint identifier, creation
|
||||
timestamp, agent identifier, transaction scope, dependency list,
|
||||
and integrity verification data. Cross-domain checkpoints MUST
|
||||
additionally include gateway coordination information and domain-
|
||||
specific authorization tokens as defined in [draft-fu-nmop-agent-
|
||||
communication-framework]. The checkpoint identifier MUST be
|
||||
globally unique and SHOULD incorporate both temporal and spatial
|
||||
components to ensure uniqueness across distributed deployments.
|
||||
|
||||
Checkpoint storage mechanisms MUST provide durability guarantees
|
||||
appropriate for the operational context and SHOULD implement
|
||||
redundancy strategies to prevent single points of failure. Agents
|
||||
MAY utilize local storage, distributed storage systems, or
|
||||
centralized checkpoint repositories depending on deployment
|
||||
constraints and consistency requirements. Storage implementations
|
||||
MUST support atomic write operations and SHOULD provide integrity
|
||||
verification through cryptographic mechanisms as specified in
|
||||
[RFC8446]. Cross-domain checkpoint storage MUST implement access
|
||||
control mechanisms that respect administrative boundaries while
|
||||
enabling authorized rollback operations.
|
||||
|
||||
Checkpoint consistency verification ensures that distributed
|
||||
checkpoints represent a globally consistent state across all
|
||||
participating agents. The consistency verification process MUST
|
||||
implement logical clock synchronization or vector clock mechanisms
|
||||
to establish temporal relationships between distributed
|
||||
checkpoints. Agents MUST validate checkpoint consistency before
|
||||
committing checkpoint data and SHOULD implement timeout mechanisms
|
||||
to handle non-responsive participants. For cross-domain scenarios,
|
||||
consistency verification MUST account for network partitions and
|
||||
administrative policy constraints that may affect coordination
|
||||
capabilities.
|
||||
|
||||
Checkpoint lifecycle management encompasses creation, validation,
|
||||
storage, retrieval, and cleanup operations across the distributed
|
||||
agent system. Agents MUST implement checkpoint retention policies
|
||||
that balance storage costs with rollback capability requirements
|
||||
and SHOULD provide configuration mechanisms for policy
|
||||
customization. Checkpoint cleanup operations MUST respect
|
||||
dependency relationships and transaction boundaries to prevent
|
||||
premature deletion of required rollback data. The checkpoint
|
||||
manager component SHOULD implement background processes for
|
||||
checkpoint optimization, compression, and garbage collection to
|
||||
maintain system performance over extended operational periods.
|
||||
|
||||
6. Rollback Initiation and Coordination
|
||||
|
||||
Rollback operations in RARP are initiated through a well-defined
|
||||
trigger and coordination mechanism that ensures consistent state
|
||||
recovery across distributed agent systems. Rollback initiation can
|
||||
occur through multiple pathways: explicit administrative commands,
|
||||
automated safety triggers when agents detect anomalous conditions,
|
||||
or cascade triggers when dependent agent operations fail. The
|
||||
protocol defines two primary rollback modes - immediate rollback
|
||||
for safety-critical scenarios where rapid state recovery is
|
||||
essential, and coordinated rollback for complex distributed
|
||||
operations requiring multi-agent consensus. All rollback
|
||||
operations MUST specify a target rollback point identifier and
|
||||
include sufficient context information to enable receiving agents
|
||||
to validate the rollback request against their local checkpoint
|
||||
metadata.
|
||||
|
||||
The coordination messaging framework builds upon the Cross-Domain
|
||||
Agent Collaboration Protocol [draft-han-rtgwg-agent-gateway-
|
||||
intercomm-framework] to enable rollback operations across
|
||||
heterogeneous agent systems and administrative boundaries. When a
|
||||
rollback coordinator receives a rollback initiation request, it
|
||||
MUST first validate the requesting entity's authorization and
|
||||
verify that the target rollback point exists across all
|
||||
participating agents. The coordinator then broadcasts a rollback
|
||||
preparation message to all agents within the rollback scope,
|
||||
allowing each agent to perform local consistency checks and report
|
||||
any conflicts or dependencies that might prevent successful
|
||||
rollback. This two-phase approach ensures that rollback operations
|
||||
only proceed when all participating agents can successfully return
|
||||
to the specified rollback point without creating inconsistent
|
||||
intermediate states.
|
||||
|
||||
Immediate rollback scenarios bypass the standard coordination
|
||||
phase when safety-critical conditions are detected, such as
|
||||
security breaches or network failures that require rapid
|
||||
remediation. In immediate rollback mode, the rollback coordinator
|
||||
MUST issue rollback execution commands directly to all
|
||||
participating agents without waiting for preparation
|
||||
confirmations, accepting the risk of temporary inconsistency in
|
||||
favor of rapid recovery. Agents receiving immediate rollback
|
||||
commands SHALL prioritize rollback execution over normal
|
||||
operations and SHOULD complete rollback within the time bounds
|
||||
specified in the rollback request. The protocol defines fallback
|
||||
procedures for handling agents that cannot complete immediate
|
||||
rollback operations, including isolation mechanisms to prevent
|
||||
inconsistent agents from affecting the recovered system state.
|
||||
|
||||
Coordinated rollback operations involve a more complex multi-phase
|
||||
protocol that ensures consistency across distributed agent systems
|
||||
through explicit consensus mechanisms. Following the preparation
|
||||
phase, agents that successfully validate the rollback request send
|
||||
confirmation messages to the rollback coordinator, while agents
|
||||
that detect conflicts or missing checkpoint data send abort
|
||||
messages with detailed error information. The coordinator
|
||||
implements a configurable consensus policy that determines whether
|
||||
to proceed with rollback based on the responses received - strict
|
||||
consensus requires all agents to confirm, while majority consensus
|
||||
allows rollback to proceed if a sufficient percentage of agents
|
||||
confirm readiness. If consensus is achieved, the coordinator
|
||||
broadcasts commit messages triggering simultaneous rollback
|
||||
execution; if consensus fails, the coordinator issues abort
|
||||
messages and logs the rollback attempt for administrative review.
|
||||
|
||||
Conflict resolution mechanisms address scenarios where multiple
|
||||
concurrent rollback requests or overlapping rollback scopes create
|
||||
coordination challenges. The protocol employs a priority-based
|
||||
conflict resolution system where rollback requests include
|
||||
priority levels, timestamps, and scope identifiers that enable
|
||||
coordinators to determine precedence when conflicts occur. Higher
|
||||
priority rollback operations, such as security-related rollbacks,
|
||||
automatically supersede lower priority operations, while rollback
|
||||
requests with overlapping scope are serialized based on timestamp
|
||||
ordering. Cross-domain rollback conflicts are resolved through
|
||||
gateway-mediated negotiation procedures that leverage the agent
|
||||
controller coordination mechanisms defined in [draft-jadoon-nmrg-
|
||||
agentic-ai-autonomous-networks] to ensure consistent rollback
|
||||
decisions across administrative boundaries.
|
||||
|
||||
The protocol includes comprehensive error handling and recovery
|
||||
procedures for rollback coordination failures, recognizing that
|
||||
rollback operations themselves may encounter system failures or
|
||||
network partitions. When rollback coordination fails due to
|
||||
network issues or coordinator failures, backup coordinators
|
||||
automatically assume responsibility for completing the rollback
|
||||
operation using persistent coordination state stored during the
|
||||
initial phases. Partial rollback failures, where some agents
|
||||
successfully rollback while others fail, trigger automatic
|
||||
reconciliation procedures that either retry the failed rollback
|
||||
operations or initiate compensating actions to restore system
|
||||
consistency. All rollback coordination activities are logged with
|
||||
sufficient detail to enable post-incident analysis and continuous
|
||||
improvement of rollback procedures in production autonomous
|
||||
network operations environments.
|
||||
|
||||
7. Integration with Existing Agent Protocols
|
||||
|
||||
RARP is designed to integrate seamlessly with existing agent
|
||||
communication frameworks and protocols, leveraging established
|
||||
mechanisms while extending them with rollback-specific
|
||||
capabilities. The protocol operates as an overlay service that can
|
||||
be bound to various underlying agent communication protocols,
|
||||
including those defined in [draft-fu-nmop-agent-communication-
|
||||
framework] and [draft-li-dmsc-macp]. Integration is achieved
|
||||
through protocol-specific binding specifications that map RARP
|
||||
operations to the message formats and coordination mechanisms of
|
||||
the underlying framework. This approach ensures that RARP can be
|
||||
deployed incrementally without requiring wholesale replacement of
|
||||
existing agent infrastructure.
|
||||
|
||||
For cross-domain scenarios, RARP extends the gateway mechanisms
|
||||
defined in [draft-han-rtgwg-agent-gateway-intercomm-framework] to
|
||||
support rollback coordination across administrative boundaries.
|
||||
Agent gateways MUST implement RARP-specific message translation
|
||||
and state synchronization functions when serving as intermediaries
|
||||
for cross-domain rollback operations. The gateway extensions
|
||||
include rollback capability negotiation during agent discovery,
|
||||
checkpoint metadata translation between domains, and coordination
|
||||
of distributed rollback timing. Gateways SHOULD maintain rollback
|
||||
context for active cross-domain agent transactions and MUST
|
||||
participate in checkpoint consistency verification procedures when
|
||||
coordinating multi-domain rollbacks.
|
||||
|
||||
RARP bindings for common transport protocols are defined to ensure
|
||||
broad compatibility with existing deployments. For NETCONF-based
|
||||
agent communication [RFC6241], RARP operations are encapsulated
|
||||
within custom RPC operations that extend the base protocol
|
||||
capabilities. HTTP/2 and HTTP/3 [RFC9000] bindings utilize JSON-
|
||||
encoded messages [RFC8259] for rollback coordination, with TLS 1.3
|
||||
[RFC8446] providing transport security. WebSocket connections MAY
|
||||
be used for real-time rollback notifications in environments
|
||||
requiring low-latency coordination. Each binding specification
|
||||
defines the mapping between RARP primitive operations and the
|
||||
specific message formats and error handling mechanisms of the
|
||||
underlying protocol.
|
||||
|
||||
The integration architecture supports both centralized and
|
||||
distributed coordination models as described in [draft-jadoon-
|
||||
nmrg-agentic-ai-autonomous-networks]. In centralized deployments,
|
||||
a single rollback coordinator interfaces with existing agent
|
||||
controllers to provide system-wide rollback capabilities.
|
||||
Distributed deployments utilize peer-to-peer coordination among
|
||||
agents while maintaining compatibility with hierarchical agent
|
||||
architectures. RARP implementations MUST support capability
|
||||
advertisement through existing agent discovery mechanisms,
|
||||
allowing agents to negotiate rollback support and identify
|
||||
compatible rollback coordinators during system initialization.
|
||||
|
||||
Authentication and authorization for RARP operations leverage
|
||||
existing agent security frameworks where possible. OAuth 2.0
|
||||
[RFC6749] tokens MAY be used for cross-domain authorization when
|
||||
integrating with web-based agent platforms. The protocol defines
|
||||
extension points for integrating with domain-specific
|
||||
authentication mechanisms while maintaining consistent rollback
|
||||
authorization policies. Implementations SHOULD reuse existing
|
||||
agent identity management infrastructure to minimize operational
|
||||
complexity and ensure consistent security policies across normal
|
||||
operations and rollback scenarios.
|
||||
|
||||
8. Security Considerations
|
||||
|
||||
The rollback capabilities provided by RARP introduce several
|
||||
security considerations that must be addressed to ensure safe
|
||||
deployment in production autonomous network environments. Rollback
|
||||
operations inherently involve state manipulation and coordination
|
||||
across distributed systems, creating potential attack vectors that
|
||||
could be exploited to disrupt network operations or gain
|
||||
unauthorized access to sensitive network state information. The
|
||||
cross-domain nature of RARP operations, as described in [draft-
|
||||
han-rtgwg-agent-gateway-intercomm-framework], further amplifies
|
||||
these security concerns by introducing trust boundaries and
|
||||
protocol translation points where security policies may differ.
|
||||
|
||||
Authorization and access control for rollback operations MUST be
|
||||
implemented using strong authentication mechanisms consistent with
|
||||
[RFC8446] for transport-layer security and [RFC6749] for
|
||||
authorization delegation across domains. Each rollback coordinator
|
||||
and participating agent MUST authenticate its identity before
|
||||
initiating or participating in rollback operations. The protocol
|
||||
MUST enforce role-based access control where only authorized
|
||||
entities can initiate rollback operations for specific network
|
||||
domains or agent systems. Cross-domain rollback operations MUST
|
||||
validate authorization chains through gateway intermediaries,
|
||||
ensuring that rollback requests are properly authenticated at each
|
||||
administrative boundary. Emergency or immediate rollback
|
||||
operations SHOULD maintain security requirements while providing
|
||||
expedited authorization paths for safety-critical scenarios.
|
||||
|
||||
Comprehensive audit trails MUST be maintained for all rollback
|
||||
operations to ensure accountability and enable forensic analysis
|
||||
of network incidents. The audit system MUST record rollback
|
||||
initiation events, participating agents, checkpoint identifiers,
|
||||
authorization decisions, and completion status using tamper-
|
||||
resistant logging mechanisms. These audit records MUST be
|
||||
synchronized across participating domains and stored with
|
||||
sufficient integrity protection to prevent unauthorized
|
||||
modification. The audit trail format SHOULD be compatible with
|
||||
existing network management audit systems and MUST include
|
||||
sufficient detail to reconstruct the sequence of events leading to
|
||||
and following rollback operations.
|
||||
|
||||
Protection against malicious rollback attacks requires careful
|
||||
consideration of potential attack vectors including replay
|
||||
attacks, unauthorized rollback initiation, and checkpoint
|
||||
poisoning. The protocol MUST implement sequence numbers and
|
||||
timestamps to prevent replay of rollback messages, with
|
||||
verification of message freshness using techniques consistent with
|
||||
[RFC9000]. Rollback coordinators MUST validate checkpoint
|
||||
integrity before executing rollback operations and SHOULD
|
||||
implement rate limiting to prevent denial-of-service attacks
|
||||
through excessive rollback requests. The protocol MUST detect and
|
||||
mitigate attempts to rollback to compromised or maliciously
|
||||
modified checkpoints through cryptographic verification of
|
||||
checkpoint contents and metadata.
|
||||
|
||||
Cross-domain security implications require special consideration
|
||||
for trust establishment and security policy coordination between
|
||||
administrative domains. Gateway entities facilitating cross-domain
|
||||
rollback MUST enforce security policy translation and ensure that
|
||||
rollback operations comply with the security requirements of all
|
||||
participating domains. The protocol MUST support security policy
|
||||
negotiation to establish common security parameters for cross-
|
||||
domain rollback operations while maintaining the security
|
||||
standards of the most restrictive participating domain. Inter-
|
||||
domain rollback operations SHOULD implement additional
|
||||
verification steps and MAY require human authorization for
|
||||
operations that could significantly impact network stability
|
||||
across domain boundaries.
|
||||
|
||||
9. IANA Considerations
|
||||
|
||||
This document requests the creation of several new IANA registries
|
||||
for the Real-Time Agent Rollback Protocol (RARP) and the
|
||||
registration of initial values. The registries are necessary to
|
||||
ensure consistent implementation and interoperability of RARP
|
||||
across different autonomous agent systems and administrative
|
||||
domains. These registries support the protocol's integration with
|
||||
existing agent communication frameworks as defined in [draft-fu-
|
||||
nmop-agent-communication-framework] and cross-domain coordination
|
||||
mechanisms specified in [draft-han-rtgwg-agent-gateway-intercomm-
|
||||
framework].
|
||||
|
||||
IANA is requested to create a new registry group titled "Real-Time
|
||||
Agent Rollback Protocol (RARP) Parameters" with four sub-
|
||||
registries. The "RARP Message Types" registry MUST contain 16-bit
|
||||
unsigned integer values from 0 to 65535, with values 0-255
|
||||
reserved for IANA allocation and 256-65535 designated for first-
|
||||
come, first-served registration following [RFC8126] guidelines.
|
||||
Initial registrations MUST include: ROLLBACKREQUEST (1),
|
||||
ROLLBACKRESPONSE (2), CHECKPOINTCREATE (3), CHECKPOINTVALIDATE
|
||||
(4), COORDINATIONINIT (5), and COORDINATIONCOMPLETE (6). Each
|
||||
registration requires a message type name, numeric value,
|
||||
description, and reference to this specification or subsequent
|
||||
extensions.
|
||||
|
||||
The "RARP Error Codes" registry SHALL use 16-bit unsigned integer
|
||||
values with similar allocation policies. Initial error code
|
||||
registrations MUST include: CHECKPOINTNOTFOUND (1001),
|
||||
INSUFFICIENTPERMISSIONS (1002), ROLLBACKCONFLICT (1003),
|
||||
CROSSDOMAINFAILURE (1004), STATEINCONSISTENT (1005), and
|
||||
COORDINATIONTIMEOUT (1006). The "RARP Capability Identifiers"
|
||||
registry uses string-based identifiers following the reverse DNS
|
||||
naming convention to prevent namespace collisions. Initial
|
||||
capability identifiers SHOULD include "rollback.immediate",
|
||||
"rollback.coordinated", "checkpoint.distributed", and
|
||||
"integration.gateway" to support the core protocol functionality
|
||||
and integration patterns described in this specification.
|
||||
|
||||
The "RARP Agent Transaction Types" registry supports the
|
||||
classification and coordination of rollback operations across
|
||||
heterogeneous agent systems. This registry uses string-based
|
||||
identifiers and MUST include initial registrations for
|
||||
"network.configuration", "routing.policy", "security.rule", and
|
||||
"service.deployment" to align with common network operations use
|
||||
cases. Registration procedures for all RARP registries MUST
|
||||
require specification of the parameter name, value, description,
|
||||
security considerations if applicable, and reference document.
|
||||
Registrants SHOULD provide interoperability considerations when
|
||||
the parameter affects cross-domain operations or integration with
|
||||
existing protocols such as NETCONF [RFC6241] or agent gateway
|
||||
frameworks.
|
||||
|
||||
All RARP registry entries MUST be subject to expert review for
|
||||
values in the IANA allocation ranges, with designated experts
|
||||
evaluating technical soundness, potential conflicts with existing
|
||||
registrations, and alignment with RARP architectural principles.
|
||||
The expert review process SHALL consider the impact on cross-
|
||||
domain rollback coordination and compatibility with existing agent
|
||||
communication protocols. Registry updates affecting security-
|
||||
sensitive parameters such as authorization capabilities or cross-
|
||||
domain coordination mechanisms require additional security review
|
||||
to ensure consistency with the security considerations outlined in
|
||||
Section 8 of this specification and general security practices for
|
||||
autonomous network operations.
|
||||
|
||||
10. References
|
||||
|
||||
10.1. Normative References
|
||||
|
||||
[RFC 2119]
|
||||
RFC 2119
|
||||
|
||||
[RFC 8174]
|
||||
RFC 8174
|
||||
|
||||
[RFC 8259]
|
||||
RFC 8259
|
||||
|
||||
[RFC 6241]
|
||||
RFC 6241
|
||||
|
||||
[draft-han-rtgwg-agent-gateway-intercomm-framework]
|
||||
draft-han-rtgwg-agent-gateway-intercomm-framework
|
||||
|
||||
[draft-li-dmsc-macp]
|
||||
draft-li-dmsc-macp
|
||||
|
||||
[draft-fu-nmop-agent-communication-framework]
|
||||
draft-fu-nmop-agent-communication-framework
|
||||
|
||||
10.2. Informative References
|
||||
|
||||
[RFC 8446]
|
||||
RFC 8446
|
||||
|
||||
[RFC 9000]
|
||||
RFC 9000
|
||||
|
||||
[RFC 6749]
|
||||
RFC 6749
|
||||
|
||||
[draft-chuyi-nmrg-ai-agent-network]
|
||||
draft-chuyi-nmrg-ai-agent-network
|
||||
|
||||
[draft-jadoon-nmrg-agentic-ai-autonomous-networks]
|
||||
draft-jadoon-nmrg-agentic-ai-autonomous-networks
|
||||
|
||||
[draft-vandoulas-aidp]
|
||||
draft-vandoulas-aidp
|
||||
|
||||
[draft-cui-ai-agent-discovery-invocation]
|
||||
draft-cui-ai-agent-discovery-invocation
|
||||
|
||||
[draft-wang-nmrg-magent-im]
|
||||
draft-wang-nmrg-magent-im
|
||||
|
||||
[draft-cui-nmrg-llm-benchmark]
|
||||
draft-cui-nmrg-llm-benchmark
|
||||
|
||||
[draft-yue-anima-agent-recovery-networks]
|
||||
draft-yue-anima-agent-recovery-networks
|
||||
|
||||
|
||||
Author's Address
|
||||
|
||||
Generated by IETF Draft Analyzer
|
||||
Family: agent-ecosystem
|
||||
2026-03-04
|
||||
Reference in New Issue
Block a user