A new Request for Comments is now available in online RFC libraries.
RFC 6935
Title: IPv6 and UDP Checksums for
Tunneled Packets
Author: M. Eubanks, P. Chimento,
M. Westerlund
Status: Standards Track
Stream: IETF
Date: April 2013
Mailbox: [email protected],
[email protected],
[email protected]
Pages: 12
Characters: 29055
Updates: RFC2460
I-D Tag: draft-ietf-6man-udpchecksums-08.txt
URL: http://www.rfc-editor.org/rfc/rfc6935.txt
This document updates the IPv6 specification (RFC 2460) to improve
performance when a tunnel protocol uses UDP with IPv6 to tunnel
packets. The performance improvement is obtained by relaxing the
IPv6 UDP checksum requirement for tunnel protocols whose header
information is protected on the "inner" packet being carried.
Relaxing this requirement removes the overhead associated with the
computation of UDP checksums on IPv6 packets that carry the tunnel
protocol packets. This specification describes how the IPv6 UDP
checksum requirement can be relaxed when the encapsulated packet
itself contains a checksum. It also describes the limitations and
risks of this approach and discusses the restrictions on the use of
this method.
This document is a product of the IPv6 Maintenance Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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