| 摘要 |
<p>ABSTRACT METHOD FOR AND APPARATUS COMMUNICATING MULTICAST MESSAGE THROUGH VIRTUAL PRIVATE NETWORK A method and apparatus for communicating multicast messages through VPN in a Long Term Evolution network, which comprises a Service Provider Edge device (SPE) receives (SI 10) the multicast message from an aggregation network segment, the SPE is located between the aggregation network segment and a core network segment, the multicast message received from the aggregation network segment is encapsulated (SI30) on a first Multicast Distribution Tree (MDT) tunnel, and the first MDT tunnel is constructed in the aggregation network segment, the SPE decapsulates (SI20) the received multicast message, the SPE encapsulats the multicast message on a second MDT tunnel which is structed in the core network segment, and the SPE sends (SI40) the encapsulated multicast message through the core network segment. The VPN route through the aggregation network segment and the core network segment is transparent to the source and destination group of the multicast. Figure 1</p> |
