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Systems and methods for selecting a transport mechanism for communication in a network

  • US 8,271,657 B2
  • Filed: 12/16/2005
  • Issued: 09/18/2012
  • Est. Priority Date: 12/16/2005
  • Status: Expired due to Fees
First Claim
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1. A method for selecting an appropriate transport mechanism for communication in a network, the method being implemented by a publisher node in the network, the method comprising:

  • determining, by the publisher node, how many subscriber nodes in the network have subscribed to receive notification messages about data that is maintained by the publisher node;

    determining, by the publisher node, how many available connections the publisher node is configured to support;

    obtaining, by the publisher node, quality of service requirements from a plurality of the subscriber nodes indicating how important it is for the subscriber node to receive each notification message;

    sending the notification messages to the subscriber nodes via a connection-based protocol when the number of available connections exceeds the number of subscriber nodes;

    sending the notification messages to the subscriber nodes via multicast when the number of subscriber nodes exceeds the number of available connections;

    sending the notification messages to a subset of the subscriber nodes via a connection-based protocol when the notification messages are sent to the subscriber nodes via multicast;

    receiving a connection request from a requesting subscriber node when the publisher node sends the notification messages to the subscriber nodes via multicast; and

    determining whether to accept the connection request.

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