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

2010-09-15 Thread Carsten Bormann
On Sep 15, 2010, at 16:19, Fred Baker wrote: > So that might use the mesh network header part of the 6lowpan header? That would be a bit more radical, I think (and there is no place to put a rank or instance ID in RFC 4944). But the effect is similar, as the ROLL-specific information would prece

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

2010-09-15 Thread JP Vasseur
On Sep 15, 2010, at 7:19 AM, Fred Baker wrote: > So that might use the mesh network header part of the 6lowpan header? We would need be using the compressed ID header > > On Sep 15, 2010, at 12:06 AM, Carsten Bormann wrote: > >>> Has anybody discussed adding a header with just the 3 bytes you

Re: SLAAC for 1:1 VLAN model

2010-09-15 Thread Tom Taylor
... and notifications via ANCP if that is running. On 15/09/2010 2:37 PM, sth...@nethelp.no wrote: Indeed. And the router needs to send out an individual RA per interface. So a router aggregating 20.000 customers will need to send out 20.000 RAs on a regular basis. So the router is configured

Re: SLAAC for 1:1 VLAN model

2010-09-15 Thread sthaug
> > Indeed. And the router needs to send out an individual RA per interface. > > So a router aggregating 20.000 customers will need to send out 20.000 > > RAs on a regular basis. > > So the router is configured to know all the VLANs up front? > Or does the router somehow get notified when the cust

Re: SLAAC for 1:1 VLAN model

2010-09-15 Thread Erik Nordmark
On 09/14/10 11:21 PM, sth...@nethelp.no wrote: in the 1:1 model the router will just advertise prefixes in RAs like on any other link. there is a one to one mapping between VLAN and customer. imagine a VLAN modeled as an interface. (not commenting on rs-mark, just the 1:1 VLAN model) Indeed.

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

2010-09-15 Thread Fred Baker
So that might use the mesh network header part of the 6lowpan header? On Sep 15, 2010, at 12:06 AM, Carsten Bormann wrote: >> Has anybody discussed adding a header with just the 3 bytes you need >> *before* the IP header? > > Yes. Ever since you proposed pretty much that at a previous IETF mee

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

2010-09-15 Thread Rémi Després
Le 15 sept. 2010 à 04:35, Erik Nordmark a écrit : > ... Has anybody discussed adding a header with just the 3 bytes you need > *before* the IP header? > That avoids the overhead. In www.ietf.org/mail-archive/web/ipv6/current/msg12204, I essentially proposed that (quote below). > The downside

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

2010-09-15 Thread Carsten Bormann
> Has anybody discussed adding a header with just the 3 bytes you need *before* > the IP header? Yes. Ever since you proposed pretty much that at a previous IETF meeting, I've been thinking that architecturally it makes a lot of sense to think about ROLL as a sub-IP protocol. > The downside i