Patent ID: 6708206
Filing Date: 2004-03-16
Classification: H04L

Abstract:
In a communication system having a client operable to communicate with an origin server by way of a communication path, an improvement of apparatus for facilitating communication of an asynchronous message upon the communication path to the client, said apparatus comprising:a request detector coupled to receive a first client-generated request for content from the origin server; a filter coupled to receive the requested content when it is communicated from the origin server, the filter operable to identify within the requested content links for use by the client in requesting additional content; an out-of-band message source coupled to receive at least one out-of-band message relating to the additional content, the at least one out-of-band message selectably to be communicated to the client; a selector coupled to said out-of-band message source for selecting whether to communicate to the client the at least one out-of-band message relating to the additional content; and a push message generator operable responsive to detection by said request detector of a second client-generated request, the second client-generated request requesting the additional content, the push message generator for sending a push message relating to the requested additional content upon the communication path to the client, the push message forming the asynchronous message.