METHOD AND SYSTEM FPOR TRANSFERRING DATA TO IMPROVE RESPONSIVENESS WHEN SENDING LARGE DATA SETS

Abstract: most of the internet traffic today is carried out via the transmission control protocol (tcp). the main advantage of tcp is that it provides reliable data transfer to the application layer and simplifies programming. the protocol maximizes data throughput but may also lead to noticeable transmission delay in wide area networks (wan). a client-server based medical image viewing system is disclosed that achieves high data throughput over tcp without impacting responsiveness. special timestamp messages inserted into the data stream allow the system to detect situations where network latency increases noticeably and to obtain a reliable estimate of sustained transfer bandwidth. the system applies a feedback scheme that avoids network delays by limiting send bandwidth. in addition other parameters, in particular image compression settings, are dynamically adjusted depending on current network quality.

Inventor(s): Detlev Stalling, Malte Westerhoff

CPC Classification: H04L69/163 (In-band adaptation of TCP data exchange; In-band control procedures)

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