Reliable datagram packet delivery for simple network management

Details Reliable datagram packet delivery for simple network management Reliable datagram packet delivery for simple network management

1992-04-28

1998-02-17

Donaghue, Larry D.

Excavating

39520067, H04L 12433

Patent

active

057198829

ABSTRACT:
In a method useful for calculating timeouts for messages sent by a network management system, a first network device stores a retry time and a retry value for each network device in a plurality of network devices. In order to determine when to execute a timeout for a first message sent from the first network device to a second network device which is in the plurality of network devices, the retry time and the retry value for the second network device are used. While a response to the first message is not received by the first network device from the second network device, the first message from the first network device to the second network device is resent a number of times equal to the retry value for the second network device. The elapsed time between each resending of the first message is equal to the retry value for the second network device. When a response to the first message is still not received by the first network device, a timeout is executed. The first network device adjusts the retry value and the retry number for each network device as responses are received from the network device or timeouts are executed.

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Raj Jain, "Divergence of Timeout Algorithms for Packet Retransmissions", Proceedings Fifth Annual International Phoenix Conference on Computers and Communications, Scottsdale, AZ, Mar. 1986, pp. 174-179.

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