Experiences with Comcast Ethernet/Transit service
tony at lava.net
Mon Jan 4 20:13:00 UTC 2010
On Mon, 4 Jan 2010, Holmes,David A wrote:
> I do not know of Comcast's Ethernet services specifically, but a general
> problem with carrier Ethernet services that are based upon the Metro
> Ethernet Forum (MEF) is that PIM-snooping is not implemented for
> multicast traffic. The absence of PIM-snooping results in the carrier's
> Ethernet service operating like a 1990's style Ethernet hub in which
> (S,G) multicast packets are incorrectly flooded out all user ports.
Not implemented because it's not in the MEF specs or not implemented
because of carrier operational practice?
e-mail/xmpp: tony at lava.net
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