[174256] in North American Network Operators' Group
Re: Multicast Internet Route table.
daemon@ATHENA.MIT.EDU (Octavio Alvarez)
Tue Sep 2 11:43:25 2014
X-Original-To: nanog@nanog.org
Date: Tue, 02 Sep 2014 08:43:16 -0700
From: Octavio Alvarez <alvarezp@alvarezp.ods.org>
To: nanog@nanog.org
In-Reply-To: <20140902074638.266a657b@localhost>
Errors-To: nanog-bounces@nanog.org
On 09/02/2014 05:46 AM, John Kristoff wrote:
> On Tue, 2 Sep 2014 04:47:37 +0000
> "S, Somasundaram (Somasundaram)" <somasundaram.s@alcatel-lucent.com>
> wrote:
>
>> 1: Does all the ISP's provide Multicast Routing by
>> default?
>
> No not all and even those that do often do not do so on the same gear,
> links and peers as their unicast forwarding.
Why would that be, are network devices not able to support multicast?
I have never used interdomain multicast but I imagine the global
m-routing table would quickly become large.
