TCP's Reaction to Soft Errors
RFC 5461, “TCP's Reaction to Soft Errors”, is an Informational document published in February 2009 by F. Gont. The canonical text is published by the RFC Editor.
Abstract
This document describes a non-standard, but widely implemented, modification to TCP's handling of ICMP soft error messages that rejects pending connection-requests when those error messages are received. This behavior reduces the likelihood of long delays between connection-establishment attempts that may arise in a number of scenarios, including one in which dual-stack nodes that have IPv6 enabled by default are deployed in IPv4 or mixed IPv4 and IPv6 environments. This memo provides information for the Internet community.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
The canonical text of RFC 5461 is hosted at rfc-editor.org. Available in TXT,HTML.
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