Monitoring quality of service in a packet-based network
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United States of America Patent
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N/A
Issued Date -
Oct 2, 2003
app pub date -
Mar 27, 2002
filing date -
Mar 27, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method arid apparatus for generating probe packets for network measurements, in which a first probe packet is generated by normal routing through a protocol stack, following which a packet processor determines, from the routing information added by the stack, a template for generating a series of packets. Based on parameters supplied to the packet processor, a complete stream of probe packets for measuring network performance to a remote endpoint can be generated without further use of the protocol stack. Also provided is a receive-end apparatus and method which determines, by processing a single received probe packet, the format necessary to loop back further packets received in a stream from the same source, and generates the return headers allowing each packet in the stream to be looped back without further involving the protocol stack.
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