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IPv6 Hop-by-Hop Header Handling

Document Type Replaced Internet-Draft (6man WG)
Author Fred Baker
Last updated 2015-10-20 (Latest revision 2015-10-07)
Replaced by draft-ietf-6man-hbh-header-handling
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
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Stream WG state Adopted by a WG
Document shepherd (None)
IESG IESG state Replaced by draft-ietf-6man-hbh-header-handling
Consensus boilerplate Unknown
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at:


This note updates the IPv6 Specification (RFC 2460), specifically commenting on the Hop-by-Hop Options Header (section 4.3) and option format and handling (section 4.2). It also updates RFC 7045, which noted that RFC 2460 is widely violated in this respect, but merely legitimized this situation with a SHOULD. The present document tries to address the issue more fundamentally.


Fred Baker

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)