[135874] in North American Network Operators' Group
Re: EPC backhaul networks
daemon@ATHENA.MIT.EDU (Cameron Byrne)
Sun Jan 30 12:53:26 2011
In-Reply-To: <AANLkTikcODvdkQO2TNXeaTYrrUo7RquNk=YqMx2rZcUu@mail.gmail.com>
Date: Sun, 30 Jan 2011 09:52:43 -0800
From: Cameron Byrne <cb.list6@gmail.com>
To: Glen Kent <glen.kent@gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jan 30, 2011 9:03 AM, "Glen Kent" <glen.kent@gmail.com> wrote:
>
> Hi,
>
> I would like to understand why there is a preference for L3 VPNs over
> L2 VPNs for the EPC backhaul networks? We can use both layer 2 and
> layer 3 VPNs for communication between the eNodeB and the MME or S-GW,
> so why is it that most providers prefer L3 over L2.
>
There are just more companies offering L2 metroE than L3 in the backhaul
space. I have pushed for L3 but very few offer the speeds and reach
required
Cb
> Glen
>