Re: Question for Flow Label

2010-09-24 Thread Yiu L. Lee
Hi Joel, Sorry for my ignorance. Can you explain to me what is mutable flow label or pint me to a reference I can read? You are right, this usage wasn't intended to substitute for transport protocol and port numbers in ECMP and LAG. But I guess FL could be used for other purposes other than ECMP a

Re: Question for Flow Label

2010-09-24 Thread Joel M. Halpern
It is quite a stretch to claim that all traffic originating from (or in the other direction destined to) a single customer constitute a meaningful "flow". However, because RFC 3697 was carefully written to be vague about this, it would be difficult to prove that it is incompatible. I would no

Question for Flow Label

2010-09-24 Thread Yiu L. Lee
Hi gents, We have a design question of Flow Label. During the v6 transition, some DSL providers may want to create an IPv4-in-IPv6 tunnel from the BRAS to the AFTR to continue to provider v4 access over a v6 core network. To identify a CPE behind the BRAS, we propose to use the Flow Label. Each CP

Re: [Roll] Flow Label: 12 bits mutable and 8 bits immutable

2010-09-24 Thread Rémi Després
Thanks Pascal for the historical tutorial. Having not participated in IETF in the mid 90s, I find it interesting. My FL reference to FLs is is essentially based on the "IPv6 Flow Label Specification" of RFC 3697, in 2004. Le 24 sept. 2010 à 10:47, Pascal Thubert (pthubert) a écrit : > Hi Remi

RE: [Roll] Flow Label: 12 bits mutable and 8 bits immutable

2010-09-24 Thread Pascal Thubert (pthubert)
Hi Remi: > It looks like you insist on destroying FL compatibility with what it has been > specified for. What was it defined for, indeed? The story starts in the mid-90s and is contiguous with the early Ypsilon work on flow switching. It's quite natural that at that time, the concept of flow