On 09/02/2014 05:46 AM, John Kristoff wrote: > On Tue, 2 Sep 2014 04:47:37 +0000 > "S, Somasundaram (Somasundaram)" <somasundara...@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.
