Patent ID: 7818433
Filing Date: 2010-10-19
Classification: H04L

Abstract:
1. A computer-implemented method comprising: sending, by a first computer system to a second computer system, a finish request (FIN) in order to terminate a previous network session; in response to the sending, receiving, by the first computer system, a responsive finish acknowledgement (FIN ACK) from the second computer system; in response to receiving the responsive finish acknowledgement, requesting, by the first computer system, a new network session with the second computer system, wherein the new network session request occurs after the previous network session between the first computer system and the second computer system, and wherein the new network session request includes a new sequence number that is different from a previous sequence number that was used during the previous network session, and wherein the requesting is performed by sending a sync request (SYN) from the first computer system to the second computer system before a time wait (TIME_WAIT) period has expired on the second computer system; receiving, at the first computer system, an acknowledgement from the second computer system that references the previous sequence number instead of the new sequence number; in response to receiving the acknowledgement at the first computer system that references the previous sequence number: