I am setting up a link between 2 offices which will carry data traffic and a 
limited amount of VOIP traffic, no more than 6 simultaneous calls.  I 
understand the implications of putting data traffic over a T1 pipe, and am 
dealing with that via various means at the application layer.  Vendors are 
trying to convince me that an MPLS VPN with T1 local loops at either end is 
worth paying 2/3 more than the cost of a point to point T1 and I am a hard 
sell.  As I understand it (and I am not convinced that I do) MPLS will label 
this traffic at the edge on my network, or more likely at the provider end 
of each local loop, and then use this label to isolate and prioritize the 
traffic between the sites.  With only 2 sites, it seems to me that I should 
be able to prioritze the traffic at either end of a PTP T without paying the 
additional cost of the MPLS.

Can someone tell me what I am missing here? 

In article <vTPXd.66442$vK5.27853@twister.nyroc.rr.com>, 
dmjunk2.removethis@maine.rr.com says...
> I am setting up a link between 2 offices which will carry data traffic and a 
> limited amount of VOIP traffic, no more than 6 simultaneous calls.  I 
> understand the implications of putting data traffic over a T1 pipe, and am 
> dealing with that via various means at the application layer.  Vendors are 
> trying to convince me that an MPLS VPN with T1 local loops at either end is 
> worth paying 2/3 more than the cost of a point to point T1 and I am a hard 
> sell.  As I understand it (and I am not convinced that I do) MPLS will label 
> this traffic at the edge on my network, or more likely at the provider end 
> of each local loop, and then use this label to isolate and prioritize the 
> traffic between the sites.  With only 2 sites, it seems to me that I should 
> be able to prioritze the traffic at either end of a PTP T without paying the 
> additional cost of the MPLS.
> 
> Can someone tell me what I am missing here? 
> 
> 

AFAIK, if you control both ends of the T1 (p-t-p) then you can 
prioritize traffic however you want and it depends only on you. If 
providers MPLS network is oversubscribed, then you may expirience 
additional problems. If demarcation point is router on your site, then 
you don't even have a control of the routers and for everything you need 
to change you have to call provider.

What are you missing here? Well, you're missing that every service 
provider is driven by money and as anyone else in the world will try to 
sell the most expensive service they offer.

just my 0.02

-- 
-Ivan.

*** Use Rot13 to see my eMail address ***

I don't see the point of using MPLS to just interconnect two sites.

The advantage with MPLS is where you have multiple sites as MPLS gives
you any to any connectivity (no nailed up point to point circuits) plus
Class of Service.

You can implemented Congestion Control on the router and interconnect
the two sites using either a T1 Leased Line or Frame Relay.

Farouq Taj

Thanks to both you and Ivan.  You are pretty much confirming my thinking on 
this.

David

"Farouq" <farouq_taj@lineone.net> wrote in message 
news:1110474046.023454.167510@g14g2000cwa.googlegroups.com...
>I don't see the point of using MPLS to just interconnect two sites.
>
> The advantage with MPLS is where you have multiple sites as MPLS gives
> you any to any connectivity (no nailed up point to point circuits) plus
> Class of Service.
>
> You can implemented Congestion Control on the router and interconnect
> the two sites using either a T1 Leased Line or Frame Relay.
>
> Farouq Taj
> 

> Can someone tell me what I am missing here? 
> 
Greed.  Oh, and cost recovery.

 From what you've described, it should be cheaper to use the providers 
MPLS network than have a dedicated circuit as you don't end up paying 
end-to-end, just 2 tails to the exchange/POPs.  The provider gets to 
oversell their backbone IP service to many different customers and tries 
not to screw up the MPLS config and bridge 2 (or more) customer networks.

Problem is 6509's and Sup720s cost lots and the provider needs to recoup 
their cost by selling MPLS services using it.  They're trying to sell 
you at a premium what is actually simpler for them to manage, good luck 
to them if they can!