Method and apparatus for determining client-perceived server...

Details Method and apparatus for determining client-perceived server... Method and apparatus for determining client-perceived server...

2004-11-22

2009-02-24

Ngo, Ricky (Department: 2416)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S245000, C370S252000, C703S007000

Reexamination Certificate

active

07496036

ABSTRACT:
One embodiment of the present method and apparatus for determining client-perceived server response time enables a user to accurately measure client-perceived server response time in the presence of packet loss. In one embodiment, the inventive method includes capturing a copy of a first packet traversing a computing network between a client and a server and modifying a server-measured transaction start time to account for a number of packets captured and inferred prior to capturing the first packet. Modifying the server-measured response time in this manner enables the server-measured response time to more accurately reflect the client-perceived server response time, thereby allowing for more accurate assessment of service level agreements, client satisfaction, provisioning and the like.

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Olshefski, et al., “Using Certes to Infer Client REsponse Time at the Web Server,” ACM Transactions on Computer Systems, vol. 22 , Issue 1 (Feb. 2004) pp. 49-93.

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