Re: Number of links towards a DPC (ITU)

"David Laight" <[email protected]> Mon, 17 Jun 2013 11:52:03 +0100
Newsgroups gmane.ietf.sigtran
Message-ID <[email protected]>
> > If you have two linksets with 16 links each, the routing rules for
> > different destinations could be arranged to use different links
> > in order to utilise all 32 links.
> 
> I don't know where you got that idea.

From deciding not to do it when fixing our mtp3 routing rules!

Q.704 section 2.3 states that the routing is based on information
from the routing label - normally the sls and dpc.
With 2 linksets of 16 links the 'normal' link assignment could use
one bit of the sls to select between the linksets and the low bit
of the dpc and the other 3 bits of the sls to select one of the
16 links in the linkset.
This would be perfectly valid.

> See Figure A.3/Q.705.  Count the
> number of links possible in a linkset (not a combined linkset).
> 8 links per A linkset, 4 links per B/D linkset.

Q.705 A is only an example mesh network.
The appendix is describing the routing under fault conditions.

	David