WO1989003566A3 - Layered network - Google Patents

Layered network Download PDF

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Publication number
WO1989003566A3
WO1989003566A3 PCT/US1988/003608 US8803608W WO8903566A3 WO 1989003566 A3 WO1989003566 A3 WO 1989003566A3 US 8803608 W US8803608 W US 8803608W WO 8903566 A3 WO8903566 A3 WO 8903566A3
Authority
WO
WIPO (PCT)
Prior art keywords
requests
switch
networks
layered
cost
Prior art date
Application number
PCT/US1988/003608
Other languages
French (fr)
Other versions
WO1989003566A2 (en
Inventor
Brian Ralph Larson
Donald Bruce Bennett
Steven Allen Murphy
Original Assignee
Unisys Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unisys Corp filed Critical Unisys Corp
Priority to JP88150264A priority Critical patent/JPH02501183A/en
Priority to DE8989900410T priority patent/DE3880478T2/en
Publication of WO1989003566A2 publication Critical patent/WO1989003566A2/en
Publication of WO1989003566A3 publication Critical patent/WO1989003566A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/64—Distributing or queueing
    • H04Q3/68—Grouping or interlacing selector groups or stages
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163—Interprocessor communication
    • G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
    • G06F15/17337—Direct connection machines, e.g. completely connected computers, point to point communication networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/15—Interconnection of switching modules
    • H04L49/1507—Distribute and route fabrics, e.g. sorting-routing or Batcher-Banyan
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/101—Packet switching elements characterised by the switching fabric construction using crossbar or matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/20—Support for services
    • H04L49/205—Quality of Service based
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/254—Centralised controller, i.e. arbitration or scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane

Abstract

A Layered Network system may provide varying cost from order NlogN low-cost networks to completely-routing, fully-layered networks with cost of order Nlog3N. Layered networks are composed of switches and point-to-point connections between them. These networks establish connections from requestors to responders by relaying ''requests'' through the switches. Each switch has built-in control logic to route requests and responses. The switch setting is determined using the comparison of the request with the request's current location in the network, and with locally competing requests. To provide distributed routing without a centralized controller, each switch routes the requests using only the information contained in the requests that switch handles. The switch setting is remembered in order to route the responses on the same paths as the associated requests, but in the reverse direction.
PCT/US1988/003608 1987-10-14 1988-10-14 Layered network WO1989003566A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP88150264A JPH02501183A (en) 1987-10-14 1988-10-14 layered network
DE8989900410T DE3880478T2 (en) 1987-10-14 1988-10-14 LAYERED NET.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US108,514 1987-10-14
US07/108,514 US4833468A (en) 1987-10-14 1987-10-14 Layered network

Publications (2)

Publication Number Publication Date
WO1989003566A2 WO1989003566A2 (en) 1989-04-20
WO1989003566A3 true WO1989003566A3 (en) 1989-06-01

Family

ID=22322642

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1988/003608 WO1989003566A2 (en) 1987-10-14 1988-10-14 Layered network

Country Status (5)

Country Link
US (1) US4833468A (en)
EP (1) EP0334954B1 (en)
JP (1) JPH02501183A (en)
DE (1) DE3880478T2 (en)
WO (1) WO1989003566A2 (en)

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US5258752A (en) * 1988-11-25 1993-11-02 Sumitomo Electric Industries, Ltd. Broad band digital exchange
US5123011A (en) * 1989-09-27 1992-06-16 General Electric Company Modular multistage switch for a parallel computing system
AU7499291A (en) * 1990-03-05 1991-10-10 Massachusetts Institute Of Technology Switching networks with expansive and/or dispersive logical clusters for message routing
US5216420A (en) * 1990-07-12 1993-06-01 Munter Ernst A Matrix sorting network for sorting N inputs onto N outputs
US5144293A (en) * 1990-12-18 1992-09-01 International Business Machines Corporation Serial link communication system with cascaded switches
US5321813A (en) * 1991-05-01 1994-06-14 Teradata Corporation Reconfigurable, fault tolerant, multistage interconnect network and protocol
US5307413A (en) * 1991-07-19 1994-04-26 Process Software Corporation Method and apparatus for adding data compression and other services in a computer network
CA2113647A1 (en) * 1991-08-05 1993-02-18 Aloke Guha Crossbar with return net for scalable self-routing non-blocking message switching and routing system
US5701120A (en) * 1992-12-13 1997-12-23 Siemens Business Communication Systems, Inc. Partitioned point-to-point communications networks
JP3094849B2 (en) * 1995-06-21 2000-10-03 株式会社日立製作所 Parallel computer and its multistage network
KR100278016B1 (en) * 1995-12-26 2001-01-15 윤종용 Switching device and method of asynchronous transfer mode switching system
US5867649A (en) * 1996-01-23 1999-02-02 Multitude Corporation Dance/multitude concurrent computation
US5790524A (en) * 1996-05-13 1998-08-04 Lockheed Martin Corporation Detection of lost packets in switching networks used with scalable coherent interfaces
US5826028A (en) * 1996-05-13 1998-10-20 Lockheed Martin Corporation Initialization of switching networks for use with a scalable coherent interface
US5787082A (en) * 1996-05-13 1998-07-28 Lockheed Martin Corporation Identification of new and stale packets in switching networks used with scalable coherent interfaces
US5787081A (en) * 1996-05-13 1998-07-28 Lockheed Martin Corporation Allocation of node transmissions in switching networks used with scalable coherent interfaces
FI103312B1 (en) * 1996-11-06 1999-05-31 Nokia Telecommunications Oy Switching matrix
US6018523A (en) * 1997-10-22 2000-01-25 Lucent Technologies, Inc. Switching networks having improved layouts
US6215786B1 (en) 1998-04-06 2001-04-10 Lockheed Martin Corporation Implementation of multi-stage switching networks
US6301247B1 (en) * 1998-04-06 2001-10-09 Lockheed Martin Corporation Pad and cable geometries for spring clip mounting and electrically connecting flat flexible multiconductor printed circuit cables to switching chips on spaced-parallel planar modules
US6529983B1 (en) 1999-11-03 2003-03-04 Cisco Technology, Inc. Group and virtual locking mechanism for inter processor synchronization
US6412002B1 (en) 1999-11-15 2002-06-25 Ncr Corporation Method and apparatus for selecting nodes in configuring massively parallel systems
US6745240B1 (en) 1999-11-15 2004-06-01 Ncr Corporation Method and apparatus for configuring massively parallel systems
US6519697B1 (en) 1999-11-15 2003-02-11 Ncr Corporation Method and apparatus for coordinating the configuration of massively parallel systems
US6418526B1 (en) 1999-11-15 2002-07-09 Ncr Corporation Method and apparatus for synchronizing nodes in massively parallel systems
US6892237B1 (en) 2000-03-28 2005-05-10 Cisco Technology, Inc. Method and apparatus for high-speed parsing of network messages
US6505269B1 (en) 2000-05-16 2003-01-07 Cisco Technology, Inc. Dynamic addressing mapping to eliminate memory resource contention in a symmetric multiprocessor system
US6836815B1 (en) * 2001-07-11 2004-12-28 Pasternak Solutions Llc Layered crossbar for interconnection of multiple processors and shared memories
US7177301B2 (en) * 2001-12-27 2007-02-13 Intel Corporation Signal permuting
US7523218B1 (en) 2002-04-30 2009-04-21 University Of Florida Research Foundation, Inc. O(log n) dynamic router tables for prefixes and ranges
US7474657B2 (en) * 2002-04-30 2009-01-06 University Of Florida Research Foundation, Inc. Partitioning methods for dynamic router tables
US20040018237A1 (en) * 2002-05-31 2004-01-29 Perricone Nicholas V. Topical drug delivery using phosphatidylcholine
US7444318B2 (en) * 2002-07-03 2008-10-28 University Of Florida Research Foundation, Inc. Prefix partitioning methods for dynamic router tables
WO2004006061A2 (en) * 2002-07-03 2004-01-15 University Of Florida Dynamic ip router tables using highest-priority matching
US7801156B2 (en) * 2007-04-13 2010-09-21 Alcatel-Lucent Usa Inc. Undirected cross connects based on wavelength-selective switches
US8065433B2 (en) 2009-01-09 2011-11-22 Microsoft Corporation Hybrid butterfly cube architecture for modular data centers
GB2474446A (en) * 2009-10-13 2011-04-20 Advanced Risc Mach Ltd Barrier requests to maintain transaction order in an interconnect with multiple paths

Citations (1)

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Publication number Priority date Publication date Assignee Title
EP0195589A2 (en) * 1985-03-18 1986-09-24 International Business Machines Corporation Switching system for transmission of data

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Non-Patent Citations (5)

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Title
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Also Published As

Publication number Publication date
EP0334954A1 (en) 1989-10-04
US4833468A (en) 1989-05-23
EP0334954B1 (en) 1993-04-21
JPH02501183A (en) 1990-04-19
DE3880478T2 (en) 1993-08-05
DE3880478D1 (en) 1993-05-27
WO1989003566A2 (en) 1989-04-20

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