Margaret Wasserman wrote: ... > >Hosts or routers that do not support the functions of the Flow Label > >field are required to set the field to zero when originating a packet, > >and ignore the field when receiving a packet. All routers are required > >to pass the field on unchanged when forwarding a packet. > > Why would we want to restrict possible flow-management mechanisms in > this (somewhat arbitrary) way? I think that the question of whether > the flow label can be modified en route should be left to the > specific flow-management mechanism.
As I said before, this is broken. There is no magic by which all routers along the path can know which mechanism applies to which; the only way to construct workable solutions is with an immutable label. If you want something mutable, use the DSCP. Brian -------------------------------------------------------------------- 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] --------------------------------------------------------------------
