BR9913941A - Sistema cliente-servidor tolerante a falhas e processo de operar o mesmo - Google Patents

Sistema cliente-servidor tolerante a falhas e processo de operar o mesmo

Info

Publication number
BR9913941A
BR9913941A BR9913941-3A BR9913941A BR9913941A BR 9913941 A BR9913941 A BR 9913941A BR 9913941 A BR9913941 A BR 9913941A BR 9913941 A BR9913941 A BR 9913941A
Authority
BR
Brazil
Prior art keywords
primary server
server
backup copy
client
state information
Prior art date
Application number
BR9913941-3A
Other languages
English (en)
Inventor
Per Anders Holmberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR9913941A publication Critical patent/BR9913941A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1446—Point-in-time backing up or restoration of persistent data
    • G06F11/1448—Management of the data involved in backup or backup restore
    • G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing

Abstract

"SISTEMA CLIENTE-SERVIDOR TOLERANTE A FALHAS E PROCESSO DE OPERAR O MESMO". Um sistema cliente-servidor tolerante a falhas tem um servidor primário; e um cliente. O cliente transmite uma solicitação para o servidor primário, que recebe e processa a solicitação, inclusive transmitindo a resposta para o cliente, de forma independente de qualquer processamento de cópia de reserva. A resposta inclui informações de estado do servidor primário. O servidor primário também realiza processamento de cópia de reserva que inclui periodicamente transmitir as informações de estado do servidor primário para o servidor de cópia de reserva. O cliente recebe a resposta do servidor primário, e envia as informações de estado do servidor primário para o servidor de cópia de reserva. As informações de estado do servidor primário incluem todos os pares de solicitação-resposta que o servidor primário tenha processado desde uma transmissão mais recente de informações de estado do servidor primário para o servidor de cópia de reserva. Os dispositivos do servidor primário para executar processamento de cópia de reserva podem ser ativados periodicamente baseado sobre um intervalo de tempo predeterminado. Alternativamente, eles podem ser ativados quando a memória do servidor primário para armazenar as informações de estado do servidor primário está preenchida numa proporção predeterminada.
BR9913941-3A 1998-09-24 1999-09-23 Sistema cliente-servidor tolerante a falhas e processo de operar o mesmo BR9913941A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/159,771 US6247141B1 (en) 1998-09-24 1998-09-24 Protocol for providing replicated servers in a client-server system
PCT/SE1999/001673 WO2000017755A2 (en) 1998-09-24 1999-09-23 Protocol for replicated servers

Publications (1)

Publication Number Publication Date
BR9913941A true BR9913941A (pt) 2001-06-12

Family

ID=22573949

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9913941-3A BR9913941A (pt) 1998-09-24 1999-09-23 Sistema cliente-servidor tolerante a falhas e processo de operar o mesmo

Country Status (10)

Country Link
US (1) US6247141B1 (pt)
EP (1) EP1116115B1 (pt)
JP (1) JP4481498B2 (pt)
KR (1) KR100599912B1 (pt)
CN (1) CN1213376C (pt)
AU (1) AU6380499A (pt)
BR (1) BR9913941A (pt)
CA (1) CA2344311C (pt)
DE (1) DE69905594T2 (pt)
WO (1) WO2000017755A2 (pt)

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Also Published As

Publication number Publication date
CA2344311C (en) 2008-04-01
WO2000017755A3 (en) 2000-06-08
EP1116115A2 (en) 2001-07-18
DE69905594D1 (de) 2003-04-03
JP2002525748A (ja) 2002-08-13
CN1342280A (zh) 2002-03-27
AU6380499A (en) 2000-04-10
CN1213376C (zh) 2005-08-03
WO2000017755A2 (en) 2000-03-30
CA2344311A1 (en) 2000-03-30
US6247141B1 (en) 2001-06-12
JP4481498B2 (ja) 2010-06-16
EP1116115B1 (en) 2003-02-26
DE69905594T2 (de) 2003-11-27
KR20010079917A (ko) 2001-08-22
KR100599912B1 (ko) 2006-07-19

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