The MPLS-OPS Archive

[Anoop Ghanwani <anoop@lanterncom.com>]

1, 2, and 3 can be bridges.  Why do you refer to as A, B, and C
as hosts instead of routers?

-Anoop

> -----Original Message-----
> From: Arun M. Thomas [mailto:arunt@propulsionnetworks.com]
> Sent: Wednesday, February 20, 2002 1:47 PM
> To: .Mail List: MPLS Ops; .Mail List: MPLS Spec
> Subject: Bridging on an MPLS network....
> 
> 
> This question is focused more at actual use of MPLs rather 
> than at what the
> specs state about how it should be used.  Please let me know 
> if this is an
> inappropriate forum for this question.
> 
> I've been trying to understand the requirements as far as 
> bridging and MPLS
> from a practical perspective.  Suppose, for example, that the 
> following LSR
> exists on an Ethernet network:
> 
> 	(Ingress) A --> B --> C (Egress)
> 
> For any particular packet traversing this LSR, is it 
> reasonable to expect
> that it will only touch three hosts enroute from A to C, or 
> is it possible
> that there could be a multitude of intervening hosts?  e.g. 
> Could the actual
> path the packet traverses look like:
> 
> 	A --> 1 --> 2 --> B --> 3 --> C
> 
> where 1, 2, and 3 represent switches performing L2 bridging?
> 
> Thanks in advance for any comments.  They're much appreciated!
> 
> -AMT
> 
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