The MPLS-OPS Archive

["LIAN Franklin FTLD/IAP" <franklin.lian@francetelecom.com>]

Hello, Hill

I didn't test it myself but when I talked to Juniper the other day
about per-LSP monitoring issue within MPLS VPN, they recommended put
the MPLS-VPN on top of MPLS-TE, in another words, they claimed that
by can put each VPN-LSP into individually configured MPLS-TE.

Best regards,
Franklin

Ruyter Hill wrote:
> 
> Hi
> 
> I would like to comment here briefly
> I had an interest in a similar functionality and found in discussion with
> Robert (thanks for the info Rob)
> 
> That although you can guarantee bandwidth and pass policed normal IP traffic
> on a MPLS-TE tunnel (not hugely scalable)
> 
> You cannot at present pass already policed and marked packets which are MPLS
> labelled within an MPLS VPN over a specific bandwidth guaranteed tunnel
> based on EXP field
> 
> so if someone wanted to create an MPLS-VPN say for GRX services and
> guarantee SIP across it you would have to rely on normal queuing mechanisms
> and be sure to put enough fat in the network in order to guarantee bandwidth
> is available
> 
> Lets hope that soon we have the ability to do MPLS-VPN over MPLS-TE
> 
> Regards
> 
> Hill
> 
> -----Original Message-----
> From: Christopher Lewis [mailto:chrlewis@cisco.com]
> Sent: 28 January 2002 02:57
> To: saqibj@margallacomm.com
> Cc: mpls-ops@mplsrc.com
> Subject: Re: Guaranteed QoS using MPLS?
> 
> With the caveat that the amount of traffic the application will send is
> known prior to the network being setup to service that level of traffic,
> yes.
> 
> Try http://www.cisco.com/warp/public/732/Tech/mpls/mpls_techdoc.shtml
> 
> This link shows how this can be done on Cisco networks by combining diff
> serv QoS and MPLS traffic engineering capabilities. This combination used
> to be called Guaranteed bandwidth services, but was changed to diff-serv
> aware traffic engineering. For this to work properly, a policer at ingress
> is necessary for the traffic eningeered tunnels to really function as you
> want.
> 
> Chris
> 
> At 06:36 PM 1/27/2002, Saqib Jang wrote:
> 
> >Could MPLS be used to provide "virtual circuits"
> >for IP applications having specific QoS requirements.
> >For example, could MPLS be used to create guaratee QoS
> >across an IP core for an application that requires
> >no more that .1% packet loss? Do existing MPLS routers
> >have such capabilities or would this require implementing
> >a new MPLS standard?
> >
> >Also, how would an MPLS LER classify traffic that uses
> >dynamic port numbers (e.g. SIP)?
> >
> >Saqib
> >
> >Margalla Communications, Inc.
> >3301 El Camino Real, Suite 220
> >Atherton, CA 94027
> >(650) 298-8462 (W)
> >(650) 274 8745 (C)
> >(650) 368-8198 (F)
> >saqibj@margallacomm.com
> >http://www.margallacomm.com
> >
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