Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-13 Thread Rémi Després
Le 13 sept. 2010 à 01:38, Brian E Carpenter a écrit : > On 2010-09-10 00:09, Rémi Després wrote: > ... >> R3. Intermediate nodes MAY replace null FL values by non-zero FL values, >> PROVIDED these non-zero values generally differ from a flow to another. > > IMHO that isn't a strong enough condi

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-12 Thread Brian E Carpenter
On 2010-09-10 00:09, Rémi Després wrote: ... > R3. Intermediate nodes MAY replace null FL values by non-zero FL values, > PROVIDED these non-zero values generally differ from a flow to another. IMHO that isn't a strong enough condition, if we want load balancing to be the preferred default usage.

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-12 Thread Brian E Carpenter
On 2010-09-11 01:18, Pascal Thubert (pthubert) wrote: > You know that in the back of my mind I still wish to use the Flow Label as an > alternate to the RPL HbH option. I can imagine how that might work as long as the packets concerned never left the scope of RPL, but the results would be very

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-11 Thread Rémi Després
Le 10 sept. 2010 à 21:02, Fernando Gont a écrit : > Hi, Rémi, > >>> As for keeping track of flows, as I've just noted to Steven, this >>> is a refinement. But you could probably live assuming that all >>> flows terminate in a period equal to the duration of the flow label >>> space (i.e., when

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-11 Thread Rémi Després
Le 10 sept. 2010 à 22:35, Brian E Carpenter a écrit : > On 2010-09-10 20:21, Rémi Després wrote: >> Le 9 sept. 2010 à 23:51, Brian E Carpenter a écrit : >> >>> Rémi, >>> >>> This is quite similar to one possible version of >>> draft-carpenter-6man-flow-update-04 that is spinning >>> around on m

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Brian E Carpenter
On 2010-09-10 20:21, Rémi Després wrote: > Le 9 sept. 2010 à 23:51, Brian E Carpenter a écrit : > >> Rémi, >> >> This is quite similar to one possible version of >> draft-carpenter-6man-flow-update-04 that is spinning >> around on my hard disk. But I really want to get clarity >> (if not rough con

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Fernando Gont
Hi, Rémi, >> As for keeping track of flows, as I've just noted to Steven, this >> is a refinement. But you could probably live assuming that all >> flows terminate in a period equal to the duration of the flow label >> space (i.e., when the flowlabel space wraps and you'd reuse a >> flowlabel valu

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Rémi Després
ided standards are still complied after their networks have been traversed. > What do you think? Expressed above. Regards, RD > > Pascal > >> -Original Message- >> From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On Behalf Of >> Brian E Carpenter >>

RE: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Pascal Thubert (pthubert)
ber 09, 2010 11:51 PM > To: Rémi Després > Cc: Thomas Narten; 6man 6man; Steven Blake; Fred Baker (fred) > Subject: Re: Revising Flow-Labels of RFC-3697 - A possible direction? > > Rémi, > > This is quite similar to one possible version of > draft-carpenter-6man-flow-update-04

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Rémi Després
Le 9 sept. 2010 à 23:51, Brian E Carpenter a écrit : > Rémi, > > This is quite similar to one possible version of > draft-carpenter-6man-flow-update-04 that is spinning > around on my hard disk. But I really want to get clarity > (if not rough consensus) on the immutability thread before > being

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-10 Thread Rémi Després
Hi Fernando, Thanks for the fast reaction. More below. Le 9 sept. 2010 à 20:31, Fernando Gont a écrit : > Hi, Remi, > >> Draft-gont-6man-flowlabel-security is based on the assumption that FL >> values are set as currently specified in RFC 3697, i.e. with a >> *stateful* algorithm that needs to

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-09 Thread Brian E Carpenter
Rémi, This is quite similar to one possible version of draft-carpenter-6man-flow-update-04 that is spinning around on my hard disk. But I really want to get clarity (if not rough consensus) on the immutability thread before being certain what we should propose. I think the rules about tunnels sho

Re: Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-09 Thread Fernando Gont
Hi, Remi, > Draft-gont-6man-flowlabel-security is based on the assumption that FL > values are set as currently specified in RFC 3697, i.e. with a > *stateful* algorithm that needs to keep track of flow establishments > and terminations, and with FL immutability. Note: the only additional "state

Revising Flow-Labels of RFC-3697 - A possible direction?

2010-09-09 Thread Rémi Després
Hi all. Draft-gont-6man-flowlabel-security is based on the assumption that FL values are set as currently specified in RFC 3697, i.e. with a *stateful* algorithm that needs to keep track of flow establishments and terminations, and with FL immutability. However, assuming that the aim of envi