GB0804993D0 - Information access system - Google Patents

Information access system

Info

Publication number
GB0804993D0
GB0804993D0 GBGB0804993.4A GB0804993A GB0804993D0 GB 0804993 D0 GB0804993 D0 GB 0804993D0 GB 0804993 A GB0804993 A GB 0804993A GB 0804993 D0 GB0804993 D0 GB 0804993D0
Authority
GB
United Kingdom
Prior art keywords
request
instance
session
transition
management server
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.)
Withdrawn
Application number
GBGB0804993.4A
Other versions
GB2459249A (en
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of GB0804993D0 publication Critical patent/GB0804993D0/en
Publication of GB2459249A publication Critical patent/GB2459249A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H04L67/1027—Persistence of sessions during load balancing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/95—Retrieval from the web
    • G06F16/958—Organisation or management of web site content, e.g. publishing, maintaining pages or automatic linking
    • G06F17/3089—
    • H04L12/24—
    • H04L29/08144—
    • H04L29/0854—
    • H04L29/08702—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/142—Managing session states for stateless protocols; Signalling session states; State transitions; Keeping-state mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/56—Provisioning of proxy services
    • H04L67/59—Providing operational support to end devices by off-loading in the network or by emulation, e.g. when they are unavailable

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer And Data Communications (AREA)

Abstract

A system provided with a traffic management server 14 for providing access to an information system (eg website) comprising a plurality of instances 102,104 which exist in parallel during a transition from one version of the website content 102 to a second version 104. The traffic management server identifies the session to which each request (in the form of URI) from a user 22, 23 belongs, for example using cookies written to each user's browser. Prior the transition, the traffic management server forwards to the first instance each request that is the first request in a session; following the transition, the request processor is arranged to forward to the second instance each request that is the first request in a session. After the transition the traffic management server forwards to the second instance each request associated with a session for which a user request has previously been forwarded to the second instance while continuing to forward to the first instance each request associated with a session for which a request has previously been forwarded to the first instance. This allows existing users 22 to continue accessing the content existing when they begun their session whilst new users 23 are directed to the updated content. This arrangement may continue for a set time period after the transition. The traffic management server may also be arranged to forward to the second instance each request associated with a session for which a user request has previously been forwarded to the second instance prior to the transition thereby allowing support teams access to any of the instances.
GB0804993A 2008-02-08 2008-03-17 Maintaining user sessions started with content from a first version of a website whilst forwarding new user sessions to a second version of the website Withdrawn GB2459249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB2008/000455 WO2009098430A1 (en) 2008-02-08 2008-02-08 Information access system

Publications (2)

Publication Number Publication Date
GB0804993D0 true GB0804993D0 (en) 2008-04-16
GB2459249A GB2459249A (en) 2009-10-21

Family

ID=40019385

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0804993A Withdrawn GB2459249A (en) 2008-02-08 2008-03-17 Maintaining user sessions started with content from a first version of a website whilst forwarding new user sessions to a second version of the website

Country Status (2)

Country Link
GB (1) GB2459249A (en)
WO (1) WO2009098430A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104780221B (en) * 2015-04-29 2018-04-06 温州中普科技咨询有限公司 Medium-sized and small enterprises intellectual property synthetic service platform system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035943B2 (en) * 1998-05-29 2006-04-25 Yahoo! Inc. Web server content replication
US6615265B1 (en) * 1998-08-04 2003-09-02 International Business Machines Corporation Enabling planned outages of application servers
US20020161890A1 (en) * 2000-12-22 2002-10-31 Kailai Chen System and method for intelligently distributing content over a communicatons network
US7480705B2 (en) * 2001-07-24 2009-01-20 International Business Machines Corporation Dynamic HTTP load balancing method and apparatus
US20040215703A1 (en) * 2003-02-18 2004-10-28 Xiping Song System supporting concurrent operation of multiple executable application operation sessions
US7441046B2 (en) * 2003-03-03 2008-10-21 Siemens Medical Solutions Usa, Inc. System enabling server progressive workload reduction to support server maintenance
US7502834B2 (en) * 2003-09-30 2009-03-10 International Business Machines Corporation Autonomic content load balancing

Also Published As

Publication number Publication date
WO2009098430A1 (en) 2009-08-13
GB2459249A (en) 2009-10-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)