Electrical computers and digital processing systems: multicomput – Computer-to-computer session/connection establishing
Reexamination Certificate
2005-03-21
2010-06-08
Nguyen, Phuoc (Department: 2443)
Electrical computers and digital processing systems: multicomput
Computer-to-computer session/connection establishing
C709S203000, C709S219000, C709S222000, C709S228000
Reexamination Certificate
active
07734790
ABSTRACT:
A subnetwork of client computers includes a designated relay host computer that communicates through a firewall with an outside server computer located within the same computing environment or over an Internet connection. A specially-designated URL on the server is used when the relay host requests that a downlink connection be kept alive indefinitely with the server computer. The server receives the HTTP request and activates a continuous heartbeat program. Heartbeat messages are sent continuously from the server computer to the relay host to keep the downlink connection open indefinitely. When the server needs to send an urgent message to the client computers it can do so immediately by using the already open downlink connection. The relay host forwards messages to the other component client computers in the subnetwork. The relay host may also use a proxy server. The downlink connection uses a standard request-reply protocol.
REFERENCES:
patent: 7130899 (2006-10-01), Bauer et al.
patent: 7171473 (2007-01-01), Eftis et al.
patent: 2002/0023143 (2002-02-01), Stephenson et al.
patent: 2005/0086295 (2005-04-01), Cunningham et al.
patent: 2005/0108444 (2005-05-01), Flauaus et al.
Beyer Law Group LLP
Nguyen Phuoc
Trend Micro Inc.
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