UDP communication with a programmer interface over wireless networks
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United States of America Patent
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Sep 11, 2012
Grant Date -
Mar 10, 2005
app pub date -
Jul 2, 2004
filing date -
Dec 20, 2000
priority date (Note) -
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Abstract
Systems and methods provide for secure communications between local and remote devices or networks in virtual private networks. Data can be communicated between the local and remote devices using the User Datagram Protocol (UDP) to reduce network overhead for the data communications. The UDP-based data communications are made secure and reliable by various techniques, for example: confirming that a packet sent by a source component is received by the receiving component, and guaranteeing packet sequencing by buffering packets as they are received and only delivering them to the target in the original sequence that they were sent from the source. Because TCP based communications are common, a TCP-style API can be used to enable programmers to more easily implement the UDP-based communications. Other embodiments of the invention relate to transport protocol enhancements for use within virtual private networks, including protocol mapping, protocol buffering, and protocol filtering.
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