Black-box host stack latency measurement

Details Black-box host stack latency measurement Black-box host stack latency measurement

2011-04-12

2011-04-12

Won, Michael (Department: 2456)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C709S204000, C709S232000

Reexamination Certificate

active

07925741

ABSTRACT:
A method comprises sniffing an input from a client device to a host device and an output from the host device to the client device; recording a first time parameter in response to a characteristic data unit being inserted into the input that is outputted from a host stack of a host device; recording a second time parameter in response to the output that comprises the characteristic data unit being received by the host stack; and measuring a latency based on the first time parameter, the second time parameter and arrival time of the input and the output at a sniffing point.

REFERENCES:
patent: 7319847 (2008-01-01), Xanthos et al.
patent: 7765294 (2010-07-01), Edwards et al.
patent: 2008/0052394 (2008-02-01), Bugenhagen et al.
patent: 2009/0006688 (2009-01-01), Hu et al.

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