Browse Prior Art Database

Network Resource Identification Algorithm Accommodating Multipoint Configuration

IP.com Disclosure Number: IPCOM000077320D
Original Publication Date: 1972-Jul-01
Included in the Prior Art Database: 2005-Feb-25
Document File: 2 page(s) / 37K

Publishing Venue

IBM

Related People

Duffie, CP: AUTHOR [+2]

Abstract

This article presents an enhancement to the description of a "Network Resource Identification Algorithm" published in the IBM Technical Disclosure Bulletin of April, 1971 at pages 3461-3464 by Duffie and Wheeler. For multipoint networks, a unique ID number will be assigned to a controller by assigning ID numbers as if the controllers were connected to a central by direct paths and assigning ID's as in the above description. For example, in the figure, controllers 1-6 would be assigned ID's as if they were attached to a local controller 7 by the dotted direct lines 8 to 13, respectively, rather than the multipoint lines 15 and 16.

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Network Resource Identification Algorithm Accommodating Multipoint Configuration

This article presents an enhancement to the description of a "Network Resource Identification Algorithm" published in the IBM Technical Disclosure Bulletin of April, 1971 at pages 3461-3464 by Duffie and Wheeler. For multipoint networks, a unique ID number will be assigned to a controller by assigning ID numbers as if the controllers were connected to a central by direct paths and assigning ID's as in the above description. For example, in the figure, controllers 1-6 would be assigned ID's as if they were attached to a local controller 7 by the dotted direct lines 8 to 13, respectively, rather than the multipoint lines 15 and 16.

An extra factor is required to find a resource on a controller attached to a multipoint network. Let z be the number of communication controllers attached to the multipoint line. If there is more than one multipoint line in the network, let z1 be the number of controllers on multipoint line 1; z2 be the number of controllers on multipoint line 2, etc. Then, after the controller divides the ID by its transform divisor to obtain a quotient and remainder, subtract the appropriate z from the remainder to determine if the controller is on a multipoint line or not. If [remainder (R) - z] </- 0, then the controller is on the multipoint line and its relative address is given by the remainder. If [remainder (R - z] > 0, then the controller is not on the multipoint line. If two multipoi...