CA2380141A1 - Method and apparatus for prioritizing data change requests and maintaining data consistency in a distributed computer system equipped for activity-based collaboration - Google Patents
Method and apparatus for prioritizing data change requests and maintaining data consistency in a distributed computer system equipped for activity-based collaboration Download PDFInfo
- Publication number
- CA2380141A1 CA2380141A1 CA002380141A CA2380141A CA2380141A1 CA 2380141 A1 CA2380141 A1 CA 2380141A1 CA 002380141 A CA002380141 A CA 002380141A CA 2380141 A CA2380141 A CA 2380141A CA 2380141 A1 CA2380141 A1 CA 2380141A1
- Authority
- CA
- Canada
- Prior art keywords
- data
- data change
- activity
- change requests
- computer system
- 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
Links
Classifications
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/176—Support for shared access to files; File sharing support
- G06F16/1767—Concurrency control, e.g. optimistic or pessimistic approaches
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time 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
- H04L67/01—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
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
- H04L51/043—Real-time or near real-time messaging, e.g. instant messaging [IM] using or handling presence information
-
- 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
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
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- 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
- Y10S707/99951—File or database maintenance
- Y10S707/99952—Coherency, e.g. same view to multiple users
Abstract
A distributed, activity-based collaboration system can employ a data change request priority scheme for determining an order of execution of data change requests in effecting changes to local copies of data so as to optimize data consistency for collaborative activities. The data change request priority scheme can entail encoding sequence number information and dependency information in the data change requests, responsive to which data changes can be made, unmade and remade to the data.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/356,148 US6859821B1 (en) | 1999-07-19 | 1999-07-19 | Method and apparatus for prioritizing data change requests and maintaining data consistency in a distributed computer system equipped for activity-based collaboration |
US09/356,148 | 1999-07-19 | ||
PCT/US2000/017759 WO2001006364A2 (en) | 1999-07-19 | 2000-06-28 | Method and apparatus for prioritizing data change requests and maintaining data consistency in a distributed computer system equipped for activity-based collaboration |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2380141A1 true CA2380141A1 (en) | 2001-01-25 |
CA2380141C CA2380141C (en) | 2009-11-03 |
Family
ID=23400334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002380141A Expired - Lifetime CA2380141C (en) | 1999-07-19 | 2000-06-28 | Method and apparatus for prioritizing data change requests and maintaining data consistency in a distributed computer system equipped for activity-based collaboration |
Country Status (9)
Country | Link |
---|---|
US (3) | US6859821B1 (en) |
EP (2) | EP1456772B1 (en) |
JP (2) | JP4750332B2 (en) |
KR (1) | KR100711661B1 (en) |
AT (1) | ATE438148T1 (en) |
CA (1) | CA2380141C (en) |
DE (1) | DE60042662D1 (en) |
IL (2) | IL147705A0 (en) |
WO (1) | WO2001006364A2 (en) |
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1999
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-
2000
- 2000-06-28 WO PCT/US2000/017759 patent/WO2001006364A2/en active IP Right Grant
- 2000-06-28 DE DE60042662T patent/DE60042662D1/en not_active Expired - Lifetime
- 2000-06-28 IL IL14770500A patent/IL147705A0/en unknown
- 2000-06-28 EP EP00943244A patent/EP1456772B1/en not_active Expired - Lifetime
- 2000-06-28 EP EP09006831A patent/EP2105849A3/en not_active Withdrawn
- 2000-06-28 KR KR1020027000818A patent/KR100711661B1/en active IP Right Grant
- 2000-06-28 CA CA002380141A patent/CA2380141C/en not_active Expired - Lifetime
- 2000-06-28 JP JP2001511554A patent/JP4750332B2/en not_active Expired - Fee Related
- 2000-06-28 AT AT00943244T patent/ATE438148T1/en not_active IP Right Cessation
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2002
- 2002-01-17 IL IL147705A patent/IL147705A/en unknown
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2003
- 2003-07-30 US US10/630,150 patent/US7490126B2/en not_active Expired - Fee Related
- 2003-07-30 US US10/630,472 patent/US8024404B2/en not_active Expired - Fee Related
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2011
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EP2105849A2 (en) | 2009-09-30 |
JP2003526837A (en) | 2003-09-09 |
US20050102364A1 (en) | 2005-05-12 |
JP5031113B2 (en) | 2012-09-19 |
KR20020042806A (en) | 2002-06-07 |
US7490126B2 (en) | 2009-02-10 |
IL147705A (en) | 2009-05-04 |
EP1456772A2 (en) | 2004-09-15 |
EP1456772B1 (en) | 2009-07-29 |
DE60042662D1 (en) | 2009-09-10 |
EP2105849A3 (en) | 2009-10-28 |
WO2001006364A2 (en) | 2001-01-25 |
WO2001006364A8 (en) | 2001-06-28 |
US20040024820A1 (en) | 2004-02-05 |
US8024404B2 (en) | 2011-09-20 |
IL147705A0 (en) | 2002-08-14 |
US6859821B1 (en) | 2005-02-22 |
ATE438148T1 (en) | 2009-08-15 |
KR100711661B1 (en) | 2007-04-27 |
JP2011175654A (en) | 2011-09-08 |
WO2001006364A3 (en) | 2004-05-13 |
CA2380141C (en) | 2009-11-03 |
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