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.
Patent No.:
Date of Patent:
Sep. 07, 2004
Filed:
Nov. 24, 1999
Min Zhu, Los Altos Hills, CA (US);
Shi Yan, Mountain View, CA (US);
Shangde Zhou, Sunnyvale, CA (US);
WebEx Communication, Inc., San Jose, CA (US);
Abstract
An apparatus, method and computer program product for emulating a persistent connection using http. According to one embodiment, the method includes receiving an empty get from a first client; receiving a get from a second client, the get containing data to be sent to the first client; and sending a response to the first client, in response to the empty get, the response containing the data. According to another embodiment, the method includes receiving, from a client, a get containing first data to be sent to an application server; sending the first data to the application server; sending an ack response to the client in response to the get; receiving a response from the application server, the response containing second data to be sent to the client; waiting for an empty get from the client; receiving an empty get from the client; and sending the second data to the client in response to the empty get. According to another embodiment, the method includes receiving, from a client, a get containing first data to be sent to an application server; sending the first data to the application server; sending an ack response to the client in response to the get; receiving an empty get from the client; receiving a response from the application server, the response containing second data to be sent to the client; and sending the second data to the client in response to the empty get.