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1. WO1986003090 - MULTIPHASE PACKET SWITCHING SYSTEM

Publication Number WO/1986/003090
Publication Date 05.06.1986
International Application No. PCT/US1985/002235
International Filing Date 12.11.1985
IPC
G06F 13/374 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
14Handling requests for interconnection or transfer
36for access to common bus or bus system
368with decentralised access control
374using a self-select method with individual priority code comparator
G06F 13/42 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
42Bus transfer protocol, e.g. handshake; Synchronisation
H04L 12/56 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
CPC
G06F 13/374
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
14Handling requests for interconnection or transfer
36for access to common bus or bus system
368with decentralised access control
374using a self-select method with individual priority code comparator
G06F 13/4217
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
42Bus transfer protocol, e.g. handshake; Synchronisation
4204on a parallel bus
4208being a system bus, e.g. VME bus, Futurebus, Multibus
4217with synchronous protocol
H04L 12/56
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
Applicants
  • AMERICAN TELEPHONE & TELEGRAPH COMPANY [US]/[US]
Inventors
  • HASLEY, Lloyd, Alan
  • RAAMOT, Jaan
Agents
  • HIRSCH, A., E., Jr. @
Priority Data
674,04921.11.1984US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MULTIPHASE PACKET SWITCHING SYSTEM
(FR) SYSTEME DE COMMUTATION DE PAQUETS A PHASES MULTIPLES
Abstract
(EN)
A packet switching system having separate arbitration (110b) and data buses (109a) together with circuitry for dividing the buses into a plurality of time segments termed phases. The plurality of phases permit a like plurality of separate arbitration operations and a like plurality of separate data exchanges to be effected concurrently on the arbitration bus and data bus, respectively. The use of n phases increases the data transmission capability of the system by a factor of n over prior art arrangements using only a single phase.
(FR)
Un système de commutation de paquets doté de bus d'arbitrage (110b) et de bus de données (109a) séparés, ainsi que de circuits pour diviser les bus en une pluralité de segments temporels appelés 'phases'. La pluralité des phases permet de réaliser simultanément sur le bus d'arbitrage et le bus de données respectivement une pluralité semblable d'opérations d'arbitrage séparées ainsi qu'une pluralité semblable d'échanges de données separés. L'utilisation de n phases augmente d'un facteur n la capacité de transmission des données du système par rapport à celle des conceptions connues basées sur l'emploi d'une seule phase.
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