The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 08, 2009

Filed:

Feb. 25, 2005
Applicants:

Achal K. Shah, Redmond, WA (US);

Alexandre M. Gimenez, Woodinville, WA (US);

Ansuman Kar, Redmond, WA (US);

Doru C. Nica, Sammamish, WA (US);

George W. Routon, Redmond, WA (US);

Tyrone Sequeira, Kirkland, WA (US);

Inventors:

Achal K. Shah, Redmond, WA (US);

Alexandre M. Gimenez, Woodinville, WA (US);

Ansuman Kar, Redmond, WA (US);

Doru C. Nica, Sammamish, WA (US);

George W. Routon, Redmond, WA (US);

Tyrone Sequeira, Kirkland, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); G06F 15/173 (2006.01);
U.S. Cl.
CPC ...
Abstract

A client utilizes a backchannel messaging infrastructure and information matching logic to measure server performance characteristics at the client without requiring the server to correlate command responses to command requests. The backchannel messaging infrastructure facilitates the sending of messages between clients, and allows a client to send to the interested clients messages containing an activity start timestamp and identifying the requested activity when sending a command request to a server. The information matching logic enables each client to measure server performance by matching command requests, as indicated by the backchannel messages, and command responses based on message types, identification of the sender (i.e., the client that generated the original command request), and identifier attributes that are unique to the command requests and command responses.


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