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Implementation of Conglomerate System Attachment Description (CPUID Table)

IP.com Disclosure Number: IPCOM000079508D
Original Publication Date: 1973-Jul-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 3 page(s) / 29K

Publishing Venue

IBM

Related People

Bachofner, PM: AUTHOR [+2]

Abstract

Within current Remote Entry Subsystem (RES) implementation, the QID table is the control mechanism for users of the operating system. This mechanism cannot satisfy the control requirements for a conglomerate network of RES systems without becoming complex, excessively large, and inflexible. The CID (CPUID) Table is a mechanism for defining the essential data needed in managing the conglomerate network. By associating this table through a new entry in the QID table and QID Prefix, the complete description of each RES system in the network can easily be used by a given RES system to authorize other RES systems as work stations, maintain control over Transfer limitations, reject unauthorized work stations, and coordinate the loosely coupled network.

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Implementation of Conglomerate System Attachment Description (CPUID Table)

Within current Remote Entry Subsystem (RES) implementation, the QID table is the control mechanism for users of the operating system. This mechanism cannot satisfy the control requirements for a conglomerate network of RES systems without becoming complex, excessively large, and inflexible. The CID (CPUID) Table is a mechanism for defining the essential data needed in managing the conglomerate network. By associating this table through a new entry in the QID table and QID Prefix, the complete description of each RES system in the network can easily be used by a given RES system to authorize other RES systems as work stations, maintain control over Transfer limitations, reject unauthorized work stations, and coordinate the loosely coupled network. The CPUID Table can provide the status of the conglomerate system as it relates to this system.

Other more complex, highly structured, and time-consuming methods could be defined in a conglomerate network. -A complete description of a system's position within a conglomerate system in core. -A conglomerate system Protocol. -Definition of essential descriptive items related to conglomerate system's characteristics and status.

The CPUID Table is a flexible approach to network control. It can be used by the operating system components as well as the Transfer components in accomplishing Conglomerate System attachment. Information required by the Teleprocessing (TP) access method, Commands, system scheduling, and the Interchange Readers and Writers is centralized here. The value of this approach is significant for both current and future development, since the CPUID Table ties key functional components together.

Name Field Description CID CID CPUID -The CPUID is a binary number which corresponds

to a CPU Name. Each RES system in the

conglomerate network has unique CPUID

and CID name.

CIDCH Chain This field contains the address of the next

Printer CPUID entry. This would allow dynamic

extension of the table.

CPUSTAT1 Flags This status byte is used for intercomponent

communication. Bit is on, means t...