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US Patent 5509123 - Distributed autonomous object architectures for network layer routing

US Patent Issued on April 16, 1996
Estimated Patent Expiration Date: Icon_subject March 22, 2014Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

An object-oriented architecture for network layer routing is provided which distributes function and system behavior into autonomous router objects. By distributing these functionalities into each object, the services and data normally external to the object are imbedded or accessible within the object itself. In another sense, some objects are distributed across the network; e.g., a separate forwarding engine is provided at each network interface. In a preferred embodiment, each object has: (1) common, protocol-independent functions that are shared by all objects of that class; (2) their own configuration information; (3) accessibility through a router resource object for instantiation and control; (4) automatic persistence in NVRAM; (5) remote management capabilities; and (6) text names for navigation of a resource tree as a file system. These capabilities are in every object regardless of the specific protocol or application. This ensures a common architecture among many different systems/router components, a common method of control internally, a consistent order of instantiation and a common functional behavior.

Inventors

Assignee

Application

No. 216541 filed on 03/22/1994

US Classes:

709/243, Decentralized controlling370/254, NETWORK CONFIGURATION DETERMINATION370/389, Switching a message which includes an address header709/221, Reconfiguring709/223, COMPUTER NETWORK MANAGING709/227, COMPUTER-TO-COMPUTER SESSION/CONNECTION ESTABLISHING709/237Computer-to-computer handshaking

Examiners

Primary: Kim, Kenneth S.

Attorney, Agent or Firm

US Patent References

5088032, Method and apparatus for routing communications among computer networks
Issued on: 02/11/1992
Inventor: Bosack
5095480, Message routing system for shared communication media networks
Issued on: 03/10/1992
Inventor: Fenner
5142622, System for interconnecting applications across different networks of data processing systems by mapping protocols across different network domains
Issued on: 08/25/1992
Inventor: Owens
5161192, Repeaters for secure local area networks
Issued on: 11/03/1992
Inventor: Carter, et al.
5224098, Compensation for mismatched transport protocols in a data communications network
Issued on: 06/29/1993
Inventor: Bird, et al.
5226120, Apparatus and method of monitoring the status of a local area network
Issued on: 07/06/1993
Inventor: Brown, et al.
5251205, Multiple protocol routing
Issued on: 10/05/1993
Inventor: Callon, et al.
5261044, Network management system using multifunction icons for information display
Issued on: 11/09/1993
Inventor: Dev, et al.
5274631, Computer network switching system
Issued on: 12/28/1993
Inventor: Bhardwaj
5301303, Communication system concentrator configurable to different access methods
Issued on: 04/05/1994
Inventor: Abraham, et al.
5309431, Route regulating apparatus
Issued on: 05/03/1994
Inventor: Tominaga, et al.
5313465, Method of merging networks across a common backbone network
Issued on: 05/17/1994
Inventor: Perlman, et al.
5317568, Method and apparatus for managing and facilitating communications in a distributed hetergeneous network
Issued on: 05/31/1994
Inventor: Bixby, et al.
5351237Network system comprising a plurality of lans connected to an ISDN via a plurality of routers, each capable of automatically creating a table for storing router information
Issued on: 09/27/1994
Inventor: Shinohara, et al.

Foreign Patent References

  • 0405829A3 EP. 01/18/1991
  • 0549504A2 EP. 06/18/1993

International Classes

G06F 013/14
H04J 003/26

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