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MULTICAST DISTRIBUTION SYSTEM AND METHOD

  • US 20100106779A1
  • Filed: 12/30/2009
  • Published: 04/29/2010
  • Est. Priority Date: 07/13/2007
  • Status: Active Grant
First Claim
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1. A multicast distribution system comprises:

  • a network comprising a primary segment, in which a management server, a primary distribution server, and a data storage server are disposed, and a secondary segment, in which a plurality of targets connected to the primary segment via a router are disposed;

    an agent operating unit provided in any one of the plurality of targets disposed in the secondary segment and building and operating an agent;

    a distribution server activating unit provided in the agent and building and activating a secondary distribution server on the target based on distribution server activating information, which is requested to and received from the management server, when a distribution server activating command is received from the management server;

    a distribution server connection ordering unit provided in the management server and transmitting a distribution server connection command to a plurality of the targets except for the target, in which the agent is built, when an activation completion notification is received from the secondary distribution server;

    a distribution server connecting unit provided in each of the plurality of targets and establishing connection with the secondary distribution server when the distribution server connection command is received from the management server; and

    a multicast distribution unit provided in the secondary distribution server, acquiring and temporarily retaining data from the data storage server when connection of all of the plurality of targets is confirmed, and then distributing the data to the plurality of targets by multicast.

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