The MPLS-OPS Archive

["M. ELK" <elkou141061@hotmail.com>]

Hi Steinar

Actually the view of Robert (VPLS will not sell , Point to point will sell ) 
also expressed  by Luca Martini in an interview with Light Reading .

Reg the SLA :

May be It worth if Robert could state what is the problem ie: what are the 
reason given by CSCO.

Also , Why U see no issue with SLA ??
Ex: How U get notified that the transport LSP is down ?
     How U get notified that an interworking LSP in one direction is 
withdrawn ??
     What tool/command are available to check ,guess the LSP PING but it is 
not automated ??
     ..etc .

Brgds




>From: sthaug@nethelp.no
>To: robert.mccallum@thus.net
>CC: mpls-ops@mplsrc.com
>Subject: RE: [MPLS-OPS]: Question about L2VPN over MPLS
>Date: Tue, 23 Mar 2004 21:28:19 +0100
>
> > The real problem with VPLS lies not in the technology but the actual
> > SLA that you can offer the customer.  Just ask Cisco the question
> > and all you get back is "we would never recommend a vpls solution
> > due to the SLA issues".  This is the main reason Cisco are very slow
> > to market with VPLS as they don't actually belive there is a "real"
> > requirement for it.
>
>It is not obvious to me that VPLS has SLA problems. Also, there are
>other vendors than Cisco (for instance Juniper), with more mature VPLS
>solutions.
>
> > Please don't mix this up with L2vpn as this is completely different.
> > Point to point L2vpns (especially ethernet) are at the moment the
> > hot sell for my company.  In the space of 1 year we have sold
> > hundreds of these types of links throughout the whole of Britain.
>
>Well, I work for a company that also sells both point to point *and*
>point to multipoint L2. As far as we can see, there's a market for
>both types of solutions.
>
> > If the customer wants any-any connectivity I would always push them
> > down the L3VPN solution.  I would also offer them OSPF, RIPv2 or
> > EIGRP (something which our company differs on other SP's).
>
>I would also in most cases push L3 solutions - mostly because I find
>them easier to debug. But there's definitely a market for L2 point to
>multipoint.
>
>Steinar Haug, Nethelp consulting, sthaug@nethelp.no
>
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