Loop Detection Mechanisms for Session Initiation Protocol Back-to-Back User Agents
RFC 7332, “Loop Detection Mechanisms for Session Initiation Protocol Back-to-Back User Agents”, is a Proposed Standard document published in August 2014 by H. Kaplan, V. Pascual. The canonical text is published by the RFC Editor.
Abstract
SIP Back-to-Back User Agents (B2BUAs) can cause unending SIP request routing loops because, as User Agent Clients, they can generate SIP requests with new Max-Forwards values. This document discusses the difficulties associated with loop detection for B2BUAs and the requirements for them to prevent infinite loops.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 7332 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 7331 Bidirectional Forwarding Detection Management Information Base
- RFC 7333 Requirements for Distributed Mobility Management
- RFC 7330 Definitions of Textual Conventions for Bidirectional Forwarding Detection Management
- RFC 7334 PCE-Based Computation Procedure to Compute Shortest Constrained Point-to-Multipoint Inter-Domain Traffic Engineering Label Switched Paths
- RFC 7329 A Session Identifier for the Session Initiation Protocol
- RFC 7335 IPv4 Service Continuity Prefix
- RFC 7328 Writing I-Ds and RFCs Using Pandoc and a Bit of XML
- RFC 7336 Framework for Content Distribution Network Interconnection