Multicast support for dual stack-lite and internet protocol version six rapid deployment on internet protocol version four infrastructures
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United States of America Patent
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Aug 26, 2014
Grant Date -
Aug 30, 2012
app pub date -
Jan 10, 2012
filing date -
Feb 28, 2011
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Abstract
A method implemented by a network apparatus comprising receiving a Multicast Listener Discovery (MLD) membership report message from a host, sending an Automatic IP Multicast Tunneling (AMT) Relay discovery message comprising an anycast address for a border relay (BR) via an IPv4 network, receiving an AMT Relay advertisement message comprising a unicast address for the BR via the IPv4 network, sending an AMT request message to the BR via an AMT tunnel, receiving an AMT query message comprising a MLD listener query from the BR via the AMT, sending an AMT membership message comprising the MLD membership report message of the host to the BR via the AMT tunnel, and receiving an AMT multicast data message comprising an encapsulated IPv6 multicast message from the BR via the AMT tunnel.
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