Multi-stream transmission method and device in SDN network

  • US 10,680,928 B2
  • Filed: 09/24/2018
  • Issued: 06/09/2020
  • Est. Priority Date: 03/25/2016
  • Status: Active Grant
First Claim
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1. A multi-stream transmission method in a software defined network (SDN), the method comprising:

  • obtaining, by a server, network status information of a network from an SDN controller, wherein the network status information comprises a network topology, and wherein the network status information further comprises an available bandwidth and a delay of a link that is between adjacent network devices and in the network topology;

    determining, according to the network status information and a data sending rate requirement of a client, a quantity of sub-streams and a sub-stream transmission path that are required by a multi-stream connection, and allocating corresponding sub-stream identification information to each sub-stream, wherein the quantity of sub-streams and sub-stream transmission path are determined based on the available bandwidth and the delay of the link that is between adjacent network devices and in the network topology; and

    sending;

    by the server, the determined sub-stream transmission path and e corresponding sub-stream identification information to the SDN controller.

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