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Stream Control Transmission Protocol (SCTP) Specification Errata and Issues
RFC 4460

Network Working Group                                         R. Stewart
Request for Comments: 4460                           Cisco Systems, Inc.
Category: Informational                               I. Arias-Rodriguez
                                                   Nokia Research Center
                                                                 K. Poon
                                                  Sun Microsystems, Inc.
                                                                 A. Caro
                                                        BBN Technologies
                                                               M. Tuexen
                                      Muenster Univ. of Applied Sciences
                                                              April 2006

       Stream Control Transmission Protocol (SCTP) Specification
                           Errata and Issues

Status of This Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2006).

Abstract

   This document is a compilation of issues found during six
   interoperability events and 5 years of experience with implementing,
   testing, and using Stream Control Transmission Protocol (SCTP) along
   with the suggested fixes.  This document provides deltas to RFC 2960
   and is organized in a time-based way.  The issues are listed in the
   order they were brought up.  Because some text is changed several
   times, the last delta in the text is the one that should be applied.
   In addition to the delta, a description of the problem and the
   details of the solution are also provided.

Table of Contents

   1. Introduction ....................................................6
      1.1. Conventions ................................................7
   2. Corrections to RFC 2960 .........................................7
      2.1. Incorrect Error Type During Chunk Processing. ..............7
           2.1.1. Description of the Problem ..........................7
           2.1.2. Text changes to the document ........................7
           2.1.3. Solution Description ................................7

Stewart, et al.              Informational                      [Page 1]
RFC 4460                      SCTP Errata                     April 2006

      2.2. Parameter Processing Issue .................................7
           2.2.1. Description of the Problem ..........................7
           2.2.2. Text Changes to the Document ........................8
           2.2.3. Solution Description ................................8
      2.3. Padding Issues .............................................8
           2.3.1. Description of the Problem ..........................8
           2.3.2. Text Changes to the Document ........................9
           2.3.3. Solution Description ...............................10
      2.4. Parameter Types across All Chunk Types ....................10
           2.4.1. Description of the Problem .........................10
           2.4.2. Text Changes to the Document .......................10
           2.4.3. Solution Description ...............................12
      2.5. Stream Parameter Clarification ............................12
           2.5.1. Description of the problem .........................12
           2.5.2. Text Changes to the Document .......................12
           2.5.3. Solution Description ...............................13
      2.6. Restarting Association Security Issue .....................13
           2.6.1. Description of the Problem .........................13
           2.6.2. Text Changes to the Document .......................14
           2.6.3. Solution Description ...............................18
      2.7. Implicit Ability to Exceed cwnd by PMTU-1 Bytes ...........19
           2.7.1. Description of the Problem .........................19
           2.7.2. Text Changes to the Document .......................19
           2.7.3. Solution Description ...............................19
      2.8. Issues with Fast Retransmit ...............................19
           2.8.1. Description of the Problem .........................19
           2.8.2. Text Changes to the Document .......................20
           2.8.3. Solution Description ...............................23
      2.9. Missing Statement about partial_bytes_acked Update ........24
           2.9.1. Description of the Problem .........................24
           2.9.2. Text Changes to the Document .......................24
           2.9.3. Solution Description ...............................25
      2.10. Issues with Heartbeating and Failure Detection ...........25

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