Re: [Fwd: I-D Action:draft-carpenter-6man-flow-update-04.txt]

2010-09-16 Thread Brian E Carpenter
Dale, On 2010-09-17 14:37, Dale W. Carder wrote: > On Sep 16, 2010, at 7:03 PM, Brian E Carpenter wrote: >> This is yet another substantial rewrite following the recent >> discussions on the list (and some off the list). Please read >> it with new eyes - a diff from the previous version will not >

Re: [Fwd: I-D Action:draft-carpenter-6man-flow-update-04.txt]

2010-09-16 Thread Dale W. Carder
On Sep 16, 2010, at 7:03 PM, Brian E Carpenter wrote: > > This is yet another substantial rewrite following the recent > discussions on the list (and some off the list). Please read > it with new eyes - a diff from the previous version will not > be very helpful. Is there a reason that hosts/nod

[Fwd: I-D Action:draft-carpenter-6man-flow-update-04.txt]

2010-09-16 Thread Brian E Carpenter
Hi, This is yet another substantial rewrite following the recent discussions on the list (and some off the list). Please read it with new eyes - a diff from the previous version will not be very helpful. Also, there's now a 3rd author. Brian, Sheng, Shane Original Message Su

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

2010-09-16 Thread Pascal Thubert (pthubert)
Hi erik, If we compress IP in IP and a HbH header, we can hardly make that 0 bits overhead. The FL allows a total cost of 20 bits, whereas the compression will end up with 5 or 6 octets minimum... Pascal > -Original Message- > From: Erik Nordmark [mailto:erik.nordm...@oracle.com] > Sen

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

2010-09-16 Thread Erik Nordmark
On 09/16/10 05:07 AM, Pascal Thubert (pthubert) wrote: Has anybody discussed adding a header with just the 3 bytes you need *before* the IP header? We've discussed using forms of tag switching from the beginning of the WG but there must be an IP based reference model before we start doing the

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

2010-09-16 Thread Pascal Thubert (pthubert)
Hi Erik: > > The challenge is that the RPLInstanceId is 8 bits and Rank is 16 bits. This much of the challenge can be absorbed by RPL. In most reasonable cases, we could can make the floor(Rank) 8 or less bits, and that's all we need to accomplish the purpose of this header. > I realize that taki