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Reception according to a data transfer protocol of data directed to any of a plurality of destination entities

  • US 8,635,353 B2
  • Filed: 07/13/2012
  • Issued: 01/21/2014
  • Est. Priority Date: 06/15/2005
  • Status: Active Grant
First Claim
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1. A data processing system arranged for receiving over a network, according to a data transfer protocol, data directed to any of a plurality of destination identities, the data processing system comprising:

  • data storage for storing data received over the network;

    a first processing arrangement for performing processing in accordance with the data transfer protocol on received data in the data storage, for making the received data available to respective destination identities; and

    a message former arranged for;

    receiving a message requesting a response indicating the availability of received data to each of a group of destination identities; and

    forming such a response;

    wherein the message former is arranged to, in dependence on receiving the said message;

    identify received data that is directed to any destination identity that is both a member of the group and a member of a subset of the plurality of destination identities, and on which processing has not yet been performed;

    trigger processing by the first processing arrangement in accordance with the protocol on only the identified data; and

    subsequentlyform a response based at least partly on the result of the triggered processing, wherein the response is formed so as to comprise a positive indication of availability of data for a destination identity of the group if the triggered processing caused data to be made available to the respective destination identity.

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