Section 11.3 of draft-ietf-ipngwg-rfc2292bis-08 describes a socket option IPV6_RECVPATHMTU that a UDP application can set to be notified of path MTU changes.
http://www.ietf.org/internet-drafts/draft-ietf-ipngwg-rfc2292bis-08.txt -Lilian On Tue, 7 Jan 2003, Shashi Kumar wrote: > ICMP layer should recalculate the path-MTU depending on ICMP redirect > and update the routing entries appropriately and also inform > packetization layer(s) about the change in path-MTU ( you can have your > own algo.) > > > -Shashi > > > Keshava Ayanur wrote: > > > > Hi, > > I have a question about PATH-MTU . > > > > Should the IP stack inform the application about the change in > > path-MTU . > > Else how does the application running on UDP will know about > > change in the > > size ? > > Or is it up to the application running on UDP to care by some > > reliable mechanism ? > > > > Regards, > > keshava > > > > -------------------------------------------------------------------- > > IETF IPng Working Group Mailing List > > IPng Home Page: http://playground.sun.com/ipng > > FTP archive: ftp://playground.sun.com/pub/ipng > > Direct all administrative requests to [EMAIL PROTECTED] > > -------------------------------------------------------------------- > -------------------------------------------------------------------- > IETF IPng Working Group Mailing List > IPng Home Page: http://playground.sun.com/ipng > FTP archive: ftp://playground.sun.com/pub/ipng > Direct all administrative requests to [EMAIL PROTECTED] > -------------------------------------------------------------------- > _____________________________________________________________________ Lilian Fernandes AIX TCP/IP Development - IBM Austin Tel: 512-838-7966 Fax: 512-838-3509 -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
