Citrix Systems, Inc.

Bharath Bhushan K R

Kailash Kailash

Ajay Soni

Saravana Annamalaisami

Anil Kv Kumar

Prakash Khemani

Prabakar Sundarrajan

Rajiv Sinha

A method for maintaining a cache of dynamically generated objects. The method includes storing in the cache dynamically generated objects previously served from an originating server to a client. A communication between the client and server is intercepted by the cache. The cache parses the communication to identify an object determinant and to determine whether the object determinant indicates whether a change has occurred or will occur in an object at the originating server. The cache marks the object stored in the cache as invalid if the object determinant so indicates. If the object has been marked as invalid, the cache retrieves the object from the originating server.

Method and device for performing caching of dynamically generated objects in a data communication network

The present invention is directed towards a method and system for modifying by a cache responses from a server that do not identify a dynamically generated object as cacheable to identify the dynamically generated object to a client as cacheable in the response. In some embodiments, such as an embodiment handling HTTP requests and responses for objects, the techniques of the present invention insert an entity tag, or 'etag' into the response to provide cache control for objects provided without entity tags and/or cache control information from an originating server. This technique of the present invention provides an increase in cache hit rates by inserting information, such as entity tag and cache control information for an object, in a response to a client to enable the cache to check for a hit in a subsequent request.

System and method for performing entity tag and cache control of a dynamically generated object not identified as cacheable in a network

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Thyagarajanager, India

Bharath Bhushan K R