Subrata Goswami wrote: > > The main point is, if I am a provider and I get a packet, how can > I be sure that some malicious entity in the middle has not modified > the flow label so that it can avail of better QoS ?
You can't, any more than you can be sure the DSCP hasn't changed, or that somebody isn't playing games with port numbers to fool your classifier. The ISP's defence against this is that more QoS will result in a higher bill. So the ISP actually doesn't care; they get paid accordingly. 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] --------------------------------------------------------------------
