The MPLS-OPS Archive

["McCallum, Robert" <robert.mccallum@thus.net>]

Robert McCallum 
CCIE #8757 R&S
01415663448
07818002241 

> -----Original Message-----
> From: sthaug@nethelp.no [mailto:sthaug@nethelp.no] 
> Sent: 23 March 2004 20:28
> To: robert.mccallum@thus.net
> Cc: mpls-ops@mplsrc.com
> Subject: RE: [MPLS-OPS]: Question about L2VPN over MPLS
> 
> 
> > 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.

I am only stating the Cisco speak - I work completely with Cisco equipment so cannot comment on other vendors.

> 
> > 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. 

I never said there wasn't again just stating Cisco - I have heard a lot about vpls
Problems/issues one being multicast other being good old qos.  However b4 you jump
Down my throat again - I cannot back these statements up - just hearsay.

> 
> > 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.

agreed

> 
> Steinar Haug, Nethelp consulting, sthaug@nethelp.no
> 

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