Re: Fwd: IPv6 Scoped Addresses and Routing Protocols

2002-06-14 Thread Steve Blake
Robert Elz wrote: > Yes, that would be fine, and that's just what Steve Blake suggested in > a message sent a few minute after yours. Stable addressing is what's > needed - the bit pattern that identifies it isn't important. > > But note the bit patterns sugg

Re: Fwd: IPv6 Scoped Addresses and Routing Protocols

2002-06-14 Thread Steve Blake
Robert Elz wrote: > And that is exactly why 1918 was written, and as the need hasn't changed > in the slightest, exactly why site locals (or something equivalent) are > needed now. A simple proposal: FEC0::/48 good enough for (most) home nets, SOHO, etc. FEE<36-bit random#

Re: Fwd: IPv6 Scoped Addresses and Routing Protocols

2002-06-13 Thread Steve Blake
Jim Bound wrote: > with all due respect. rfc 1918 was a hack and never would pass the IESG > today IMO they are doing a far better job these days causing us to detail > our network views and development of protocols. 1918 has wrecked the > Internet. Ripping site-locals out of the specs will not

Re: Higher level question about flow label

2001-08-29 Thread Steve Blake
Jarno Rajahalme wrote: > Steve Blake wrote: > > RFC2475 was built on the assumption of bilateral agreements between > > peering providers, because that was the only model that had a hope > > of being deployed. > > Has this changed? Would there be hope for non-locally

Re: Higher level question about flow label

2001-08-28 Thread Steve Blake
Tony Hain wrote: > Steve Blake wrote: > > > I agree with your conclusion, but I disagree with the assumptions > > you are making about diffserv (for the sake of argument, say). > I assume you are talking about the WG not the protocol. :) Actually, the opposite. :) >

Re: Higher level question about flow label

2001-08-28 Thread Steve Blake
Tony Hain wrote: > At this point what we can't afford is redefining a field simply > because the diffserv WG refused to create a set of end-to-end > consistent bits. It is no surprise that people are finding it > difficult to build hardware that will make consistent decisions > when all the

Re: Higher level question about flow label

2001-08-27 Thread Steve Blake
> You're forcing the use of a subset of Diffserv on everybody. > > One MUST be able to use Diffserv with IPv6, at a not lesser extent than > Intserv with IPv6. > > This is even more so, when it does not cost anything, or much, as you > seemed to agree at one point. IPv6 supports Diffserv tod

Re: Higher level question about flow label

2001-08-23 Thread Steve Blake
Thomas Eklund wrote: > I also saw Steve Blakes comment that is not recommended to use TCP/UDP ports > in the hash key for ECMP but the one of the biggest problem with the > bundling is to send one TCP flow over different path since it might end up > in packet re-ordering due the different delays

Re: Higher level question about flow label

2001-08-22 Thread Steve Blake
Derek Fawcus wrote: > Specifically - I see it as a way of replacing the srcPort/dstPort tuple > that routers peek at in the TCP/UDP header. Currently I only see this > being used in one scenario, that is for load balancing across multiple > paths. > > At the moment (for v4) if a lookup on the

Re: Higher level question about flow label

2001-08-21 Thread Steve Blake
Brian Carpenter wrote: > Thomas Narten wrote: > ... > > In my view, deciding on the right useage of the bits requires first > > understanding the problem that needs to be solved. > > I think that from the QOS viewpoint, we do understand the problem very well, > hence the proposal to add a diffs

Re: [Fwd: draft-conta-ipv6-flow-label-02.txt]

2001-08-15 Thread Steve Blake
Brian Carpenter wrote: > > Therefore it is pointless adding any semantics to the field, because > > even if there, they can't (won't) be used. > > But there's a recursion here. If you choose to believe port and protocol > numbers, then all cheaters have to do is encapsulate their low priority >

Re: [Fwd: draft-conta-ipv6-flow-label-02.txt]

2001-08-14 Thread Steve Blake
Brian Carpenter wrote: > The traffic class field is not enough. If you have to re-classify traffic at > an administrative boundary, then by definition at that point the traffic class > field is inadequate; you need more information. The advantage that IPv6 has > is that even when the header is p