Re: MPLS TE RSVP bandwidth delim

I think if a customer buys a 2Mbps circuit, that would imply 2Mbps in each
direction. RSVP signaled tunnels are unidirectional.

-Yuri

On Sat, Nov 24, 2012 at 5:55 PM, MSDP multicast <multicast100_at_gmail.com>wrote:

> I got this question bugging me for a while.
>
> R1----------R2-------------R3
>
>
> Scenario:
> RSVP interface bandwidth: R1,R2,R3=50MB
> A) create a tunnel between R1 to R3 and allocate 2 MB
> B) create a tunnel bandwidth R3 to R1 and allocate 2 MB
>
> Requirement: Customer want 2 MB bandwidth regardless of direction!
>
> Q1: If customer have is paying for 2 MB, in real world what do we configure
> tunnels?
> optionA) 1 MB in each direction i.e. tunnel R1 to R3 = 1MB, tunnel R3 to R1
> = 1 MB
> optionB) 2 MB in each direction i.e. tunnel R1 to R3 = 2 MB, tunnel R3 to
> R1 = 2 MB
>
> with option#b - i think a customer will get double bandwidth ! but that
> will ensure 2 MB in any direction.
>
> My understanding for the above option 1# is that - Typical SP will only
> provison 1 MB in each direction.
> However, customer would like to see 2 MB in full either one or both
> direction.
>
> How do we deal with this kind of situation where customer want to see 2 MB
> in total regardless of direction?
>
> Q2: Are tunnels uni or bi directional?
>
> Thanks in advance.
>
>
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Received on Sat Nov 24 2012 - 18:04:12 ART