Re: [mpls-linux-devel] MPLS and Diffserv

[James R. L. <jl...@mi...>]

Hello Fred,

When you really get into the guts of MPLS, it has nothing
to do with DiffServ or QoS.  MPLS just provides you a mechanism
to make your decisions at the edge of the network and then at any
future point along the LSP impose orthogonal traffic management
by look just at the LSP or the EXP bits.

What this means to MPLS-Linux is that it plays well with
Linux traffic management system (TC).  MPLS-Linux ILM and NHLFEs
can have 'instructions' to mark packets in ways that the TC system
can use to make queuing decisions.  In addition it can use the
marks made by TC or other systems to make MPLS forwarding decisions.

At this time I do not know of any major MPLS-Linux bugs.  If you
find one, bring it to the lists attention.

On Thu, Oct 30, 2008 at 11:09:50AM -0700, Fred Picher wrote:
> Hello,
> 
>   I'm looking at integrating MPLS in a current Linux router and
> I'm wondering how MPLS integrates the Diffserv part of MPLS
> considering that seemingly all Linux Diffserv activity stopped at
> around 2002.  Do the current MPLS offering has full Diffserv
> integrated into it ?  How do you approach that aspect ?
> 
>   Also, how functionnal is the current MPLS ?  Any major bugs ?
> 
> Thanks,
> 
> Any comments/suggestions appreciated.
> 
> 
> 
> 
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-- 
James R. Leu
jl...@mi...