H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/02 (2006.01) H04L 12/16 (2006.01) H04L 12/24 (2006.01) H04Q 7/22 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2513019
A method for communicating state information between a server and a mobile device browser with version handling includes: providing a control channel between the server and mobile device browser; transmitting at least one message from the mobile device browser to the server indicative of browsing-related state data, wherein the at least one message begins with a header comprising a keyword representing a transitional state message, followed by a protocol identifier and a Content-Length header; a double sequence of control characters, and a WBXML encoded document containing the hash value, connection identifier and state information, and wherein the protocol identifier includes a protocol version value identifying a version of Document Type Definition (DTD) against which to validate the WBXML encoded document against; and regulating subsequent transmission of data from the server to the mobile device browser based on the at least one message.
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Perry + Currier
Research In Motion Limited
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