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Aggregating data sessions between autonomous systems

  • US 10,291,750 B1
  • Filed: 12/13/2016
  • Issued: 05/14/2019
  • Est. Priority Date: 12/13/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by an autonomous system boundary router (ASBR) of a first autonomous system (AS) communicatively coupled to a second AS via a Transmission Control Protocol (TCP) gateway connection, a plurality of TCP data segments from a plurality of TCP connections coupling network devices of the first AS and network devices of the second AS;

    adding, by the ASBR, a connection identifier to each of the plurality of TCP data segments, wherein the connection identifier is associated with connection flow information of at least one of the plurality of TCP connections;

    appending, by the ASBR, the plurality of TCP data segments and their connection identifiers to form an appended TCP data segment, wherein appending the plurality of TCP data segments comprises;

    adding, by the ASBR, TCP gateway connection sequence numbers to each of the plurality of TCP data segments, andmaintaining, by the ASBR and based on the TCP gateway connection sequence numbers, a sequence number list of TCP data segments to be acknowledged; and

    transmitting, by the ASBR and via the TCP gateway connection, the appended TCP data segment to another ASBR of the second AS.

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