Multicast support for dual stack-lite and internet protocol version six rapid deployment on internet protocol version four infrastructures
US8774038B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 10, 2012 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | May 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/2514
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.