Formally Obsoleting some Historic IPv4 Options
draft-gp-intarea-obsolete-ipv4-options-iana-00
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Int-Area C. Pignataro
Internet-Draft Cisco Systems
Intended status: Standards Track F. Gont
Expires: September 1, 2012 UTN-FRH / SI6 Networks
February 29, 2012
Formally Obsoleting some Historic IPv4 Options
draft-gp-intarea-obsolete-ipv4-options-iana-00
Abstract
A number of IPv4 options have become obsolete in practice, but have
never been formally obsoleted. This document obsoletes such IPv4
options, thus cleaning up the corresponding IANA registry, and
serving as a basis for providing advice about the filtering of
packets containing these options.
Status of this Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
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Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on September 1, 2012.
Copyright Notice
Copyright (c) 2012 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
Pignataro & Gont Expires September 1, 2012 [Page 1]
Internet-Draft Obsoleting IPv4 Options February 2012
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Discussion of Obsoleted Options . . . . . . . . . . . . . . . . 3
2.1. Stream ID . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2. Extended Internet Protocol . . . . . . . . . . . . . . . . 3
2.3. Traceroute . . . . . . . . . . . . . . . . . . . . . . . . 3
2.4. Address Extension . . . . . . . . . . . . . . . . . . . . . 3
2.5. Selective Directed Broadcast . . . . . . . . . . . . . . . 3
2.6. Dynamic Packet State . . . . . . . . . . . . . . . . . . . 3
2.7. Upstream Multicast Pkt. . . . . . . . . . . . . . . . . . . 4
3. IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 4
4. Security Considerations . . . . . . . . . . . . . . . . . . . . 4
5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 4
6. References . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6.1. Normative References . . . . . . . . . . . . . . . . . . . 5
6.2. Informative References . . . . . . . . . . . . . . . . . . 5
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 6
Pignataro & Gont Expires September 1, 2012 [Page 2]
Internet-Draft Obsoleting IPv4 Options February 2012
1. Introduction
The Internet Protocol version 4 (IPv4) [RFC0791] provides for
expansion of the protocol by supporting a number of "options" in the
variable-length IPv4 header. IPv4 options are identified by an
option "type" value, whose registration is managed by IANA [IANA-IP].
A number of IPv4 options have become obsolete in practice, but have
never been formally obsoleted. This document obsoletes such IPv4
options, "cleaning up" the corresponding IANA registry.
2. Discussion of Obsoleted Options
2.1. Stream ID
The Stream ID option is obsolete. It is specified in RFC 791
[RFC0791], and obsoleted in Section 3.2.1.8 of RFC 1122 [RFC1122] and
Section 4.2.2.1 of RFC 1812 [RFC1812].
2.2. Extended Internet Protocol
The Extended Internet Protocol option is defined in [RFC1385], and is
superseded by [RFC2460].
2.3. Traceroute
The Traceroute option is defined in [RFC1393]. The Traceroute option
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