Appendix A - Changes from RFC 1885

   Version 2-02

    - Excluded mentioning informational replies from paragraph (f.2) of
      section 2.4.
    - In "Upper layer notification" sections changed "upper-layer
      protocol" and "User Interface" to "process".
    - Changed section 5.2, item 2 and 3 to also refer to AH
      authentication.
    - Removed item 5. from section 5.2 on denial of service attacks.
    - Updated phone numbers and Email addresses in the "Authors'
      Addresses" section.

   Version 2-01

    - Replaced all references to "576 octets" as the maximum for an ICMP
      message size with "minimum IPv6 MTU" as defined by the base IPv6
      specification.
    - Removed rate control from informational messages.
    - Added requirement that receivers ignore Code value in Packet Too
      Big message.
    - Removed "Not a Neighbor" (code 2) from destination unreachable
      message.
    - Fixed typos and update references.

   Version 2-00

    - Applied rate control to informational messages
    - Removed section 2.4 on Group Management ICMP messages
    - Removed references to IGMP in Abstract and Section 1.
    - Updated references to other IPv6 documents
    - Removed references to RFC-1112 in Abstract, and Section 1, and to
      RFC-1191 in section 1, and section 3.2
    - Added security section
    - Added Appendix A - changes
















 
RFC 2463                 ICMPv6 (ICMP for IPv6)            December 1998


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