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RFC 6935: IPv6 and UDP Checksums for Tunneled Packets

In plain English — editorial summary, not part of the RFC

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.

Document record

Document ID
RFC6935
Published
April 2013
Authors
M. Eubanks; P. Chimento; M. Westerlund
Status
PROPOSED STANDARD
Stream
IETF
Area
int
Pages
12
Also known as
—
Updates:
RFC 2460

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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/6935-ipv6-and-udp-checksums-for-tunneled-packets