Methods for measuring latency in a multicast environment
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United States of America Patent
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N/A
Issued Date -
Dec 21, 2006
app pub date -
Jun 15, 2005
filing date -
Jun 15, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Measuring latency in computer systems, such as electronic trading systems, communicating with a plurality of clients by means of multicasting via a communication network. A sending host has a sending application adapted to distribute messages to a receiving application of a receiving host of a client. The method includes: providing a message to be sent from the sending application to the receiving application with a time stamp indicating the point of time the message was sent; transferring the message together with the time stamp from a multicast framework of the sending host to a multicast framework of the receiving host; extracting the time stamp from the message when the message is received by a receiving application of the receiving host; and comparing the point of time indicated by the extracted time stamp with a current time of the receiving host in order to calculate a latency for the message.
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