Patent ID: 8045457
Filing Date: 2011-10-25
Classification: H04L

Abstract:
1. A method of providing computer security, comprising: receiving a stream of media transport protocol packets; negotiating a packet dropping algorithm between sending and receiving ends of the stream; identifying a packet to drop from the stream using the negotiated packet dropping algorithm, the negotiated packet dropping algorithm being independent of packet address information, packet port information, protocol type, packet content, traffic flow aggregation, and a network traffic level; intentionally dropping the identified packet from the stream to reduce unauthorized use of the stream, wherein the unauthorized use is sensitive to dropping of the identified packet and an authorized use of the stream is not sensitive to dropping of the identified packet, wherein intentionally dropping a packet includes determining whether one or more packets within a prescribed window have been dropped unintentionally and intentionally dropping a packet only if no packet has been dropped unintentionally within the prescribed window; and allowing a plurality of other packets comprising the stream to be processed normally in accordance with the media transport protocol.