Patent ID: 6633902
Filing Date: 2003-10-14
Classification: H04L

Abstract:
A communication cache management device at an ingress communication client side, the communication cache management device comprising:a communication message processor that processes a communication message; a cache manager that manages an ingress cache based on a cache memory and an aging timer; and a flow monitor that monitors a data flow transmitted to an ingress communication server, and that detects the data-flow exceeding a predetermined threshold value within a predetermined flow monitoring period before a time-out of the aging timer after a shortcut has been set, wherein, upon reception from the flow monitor of a notice of a detection of a data flow exceeding the predetermined threshold value, the communication message processor transmits a communication address resolution request message to the ingress communication server, and, based on the contents of a response message from the ingress communication server, updates the contents of the cache memory in the cache manager.