Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2006-04-25
2006-04-25
Sam, Phirin (Department: 2661)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S392000, C709S228000
Reexamination Certificate
active
07035257
ABSTRACT:
To permit discovery and configuration of a remotely located network server element by a client element of a local network device, the client sends a multicast discovery protocol request packet. The server element may monitor packets received at a pre-configured discovery protocol port of the server for the discovery protocol request packet. When the discovery protocol request packet is received at the discovery protocol port, the server element may validate the discovery protocol request packet by comparing a portion of a header with a predetermined value, and may perform an action requested by the discovery protocol request packet. The server element may also unicast a discovery protocol reply packet to the client indicating a response to the requested action. When the discovery protocol request packet is valid, the method determines whether the action requested is a query request, a configuration request, or a remote reboot request based on a message type portion of the header of the discovery protocol request packet. In one embodiment, the discovery protocol reply packet unicasted to the client may indicate the information requested by the query request, whether a configuration was performed in accordance with the configuration request, or whether the server element agrees to reboot in accordance with the remote reboot request.
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Digi International Inc.
Sam Phirin
Schwegman Lundberg Woessner & Kluth P.A.
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