Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-10-27
2011-12-06
Sefcheck, Gregory (Department: 2477)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S395540
Reexamination Certificate
active
08072978
ABSTRACT:
An access node comprises an application server, a logical access port coupled to the application server and a redirection filter module coupled to the logical access port. The redirection filter module includes a data redirection filter and an Address Resolution Protocol (ARP) redirection filter. The data redirection filter facilitates a data packet received on the access port being directed to the application server when a destination Media Access Control (MAC) address of the data packet corresponds to a MAC address of the application server or when a destination Internet Protocol (IP) address of the data packet corresponds to an IP address of the application server. The ARP redirection filter facilitates an ARP reply message being issued when a target IP address of an ARP request message received on the access port corresponds to the IP address of the application server.
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Melsen, et al.; MAC Forced Forwarding: An ARP Proxy Method for Ensuring Traffic Separation Between Hosts Sharing an Ethernet Access Network; IETF Internet Draft; Feb. 2004; pp. 1-12; draft-melsen-mac-forced-01.txt.
Alcatel Lucent
Galasso & Associates LP
Sefcheck Gregory
Thompson, Jr. Otis L
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