METHOD AND APPARATUS FOR PROVIDING IN-SERVICE FIRMWARE UPGRADABILITY IN A NETWORK ELEMENT
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United States of America Patent
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Issued Date -
Mar 30, 2017
app pub date -
Sep 28, 2015
filing date -
Sep 28, 2015
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Abstract
A system and method for providing in-service firmware upgradability in a network element having a programmable device configured to support a plurality of application service engines or instances. A static core infrastructure portion of the programmable device is architected in a multi-layered functionality for effectuating a packet redirection scheme for packets intended for service processing by a particular application service engine that is being upgraded, whereby the remaining application service engines continue to provide service functionality without interruption.
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