GB2110505A - Data communications network - Google Patents

Data communications network

Info

Publication number
GB2110505A
GB2110505A GB08224088A GB8224088A GB2110505A GB 2110505 A GB2110505 A GB 2110505A GB 08224088 A GB08224088 A GB 08224088A GB 8224088 A GB8224088 A GB 8224088A GB 2110505 A GB2110505 A GB 2110505A
Authority
GB
United Kingdom
Prior art keywords
data
data base
updating
base units
communications network
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB08224088A
Other versions
GB2110505B (en
Inventor
Nils Herbert Edstrom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB2110505A publication Critical patent/GB2110505A/en
Application granted granted Critical
Publication of GB2110505B publication Critical patent/GB2110505B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2053—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where persistent mass storage functionality or persistent mass storage control functionality is redundant
    • G06F11/2094—Redundant storage or storage space
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Vehicle Body Suspensions (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

In a single-base data communications network the data base includes at least two data base units (1- 3) which are geographically separated from each other but otherwise identical and connected to data terminals (6-14) by a telecommunications network (15-35). Each data base unit is connected to at least one of connecting notes (15-22) of the communications network, provided with path selectors, and includes an updating transmitter/receiver which is connected by permanent established connections (4-5) to the updating transmitter /receiver of the other data base units. The data base units include selecting means (36-38) which generate designation signals for selecting one of the base units at a time as an executive unit. The randomly generated designation signal is transmitted at least to the data base unit selected as the executive unit to start its selecting means and updating transmitter (43), and to all the path selectors of the network which control calls from the data terminals to the executive unit. The updating transmitter of the executive unit works until all data needed for updating the other data base units is transmitted.
GB08224088A 1981-01-30 1982-01-21 Data communications network Expired GB2110505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8100654A SE425282B (en) 1981-01-30 1981-01-30 DATAKOMMUNIKATIONSNET

Publications (2)

Publication Number Publication Date
GB2110505A true GB2110505A (en) 1983-06-15
GB2110505B GB2110505B (en) 1984-08-01

Family

ID=20343025

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08224088A Expired GB2110505B (en) 1981-01-30 1982-01-21 Data communications network

Country Status (8)

Country Link
DK (1) DK433182A (en)
ES (1) ES509173A0 (en)
GB (1) GB2110505B (en)
IT (1) IT8219244A0 (en)
NL (1) NL8220011A (en)
NO (1) NO823168L (en)
SE (1) SE425282B (en)
WO (1) WO1982002784A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152787B (en) * 1984-01-05 1987-05-07 Standard Telephones Cables Ltd Multiprocessor system
FR2604003B1 (en) * 1986-09-15 1992-05-22 France Etat SYSTEM FOR INTERCONNECTING IDENTICAL OR COMPATIBLE COMPUTERS
EP0306736A3 (en) * 1987-09-08 1991-12-18 Siemens Aktiengesellschaft Method for the transmission of connection information stored in a telecommunication exchange to an information-processing installation
US5155845A (en) * 1990-06-15 1992-10-13 Storage Technology Corporation Data storage system for providing redundant copies of data on different disk drives
US6029175A (en) * 1995-10-26 2000-02-22 Teknowledge Corporation Automatic retrieval of changed files by a network software agent
SE518011C2 (en) * 1997-02-13 2002-08-13 Telia Ab Improvement in or relating to telecommunications networks
US6192408B1 (en) 1997-09-26 2001-02-20 Emc Corporation Network file server sharing local caches of file access information in data processors assigned to respective file systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1069037A (en) * 1964-05-26 1967-05-17 Bunker Ramo Data handling apparatus

Also Published As

Publication number Publication date
ES8302389A1 (en) 1982-12-16
WO1982002784A1 (en) 1982-08-19
IT8219244A0 (en) 1982-01-22
GB2110505B (en) 1984-08-01
ES509173A0 (en) 1982-12-16
NL8220011A (en) 1983-01-03
NO823168L (en) 1982-09-17
SE8100654L (en) 1982-07-31
DK433182A (en) 1982-09-29
SE425282B (en) 1982-09-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee