| 摘要 |
<p>A network consisting of a primary segment arranging a management server, a primary delivery server and a data storage server, and a secondary segment arranging a plurality of targets connected with the primary segment via a router supporting no multicast delivery. Upon reception of a multicast delivery request on the management server, the network builds a secondary delivery server temporarily on the specified target in the secondary segment for operation to send the data from the data storage server to the secondary delivery server in a unicast manner via a router, and in turn delivers the data from the secondary delivery server to the target on the same segment in a multicast manner.</p> |
