GB201114826D0 - Data replication for a backup entity - Google Patents

Data replication for a backup entity

Info

Publication number
GB201114826D0
GB201114826D0 GBGB1114826.9A GB201114826A GB201114826D0 GB 201114826 D0 GB201114826 D0 GB 201114826D0 GB 201114826 A GB201114826 A GB 201114826A GB 201114826 D0 GB201114826 D0 GB 201114826D0
Authority
GB
United Kingdom
Prior art keywords
data replication
backup entity
backup
entity
replication
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
GBGB1114826.9A
Other versions
GB2485866A (en
GB2485866B (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.)
Metaswitch Networks Ltd
Original Assignee
Data Connection Ltd
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 Data Connection Ltd filed Critical Data Connection Ltd
Priority to GB1114826.9A priority Critical patent/GB2485866B/en
Publication of GB201114826D0 publication Critical patent/GB201114826D0/en
Publication of GB2485866A publication Critical patent/GB2485866A/en
Application granted granted Critical
Publication of GB2485866B publication Critical patent/GB2485866B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2038—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 processing functionality is redundant with a single idle spare processing component
    • G06F11/1412—
    • 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
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • 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
    • G06F11/202—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 processing functionality is redundant
    • 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
    • G06F11/202—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 processing functionality is redundant
    • G06F11/2048—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 processing functionality is redundant where the redundant components share neither address space nor persistent storage
    • 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/81—Threshold
GB1114826.9A 2011-08-26 2011-08-26 Data replication for a backup entity Active GB2485866B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1114826.9A GB2485866B (en) 2011-08-26 2011-08-26 Data replication for a backup entity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1114826.9A GB2485866B (en) 2011-08-26 2011-08-26 Data replication for a backup entity

Publications (3)

Publication Number Publication Date
GB201114826D0 true GB201114826D0 (en) 2011-10-12
GB2485866A GB2485866A (en) 2012-05-30
GB2485866B GB2485866B (en) 2012-10-10

Family

ID=44838812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1114826.9A Active GB2485866B (en) 2011-08-26 2011-08-26 Data replication for a backup entity

Country Status (1)

Country Link
GB (1) GB2485866B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9178833B2 (en) 2011-10-25 2015-11-03 Nicira, Inc. Chassis controller
CN104081734B (en) 2012-04-18 2018-01-30 Nicira股份有限公司 Minimize the fluctuation in distributed network control system using affairs
US9559870B2 (en) 2013-07-08 2017-01-31 Nicira, Inc. Managing forwarding of logical network traffic between physical domains
US9432252B2 (en) 2013-07-08 2016-08-30 Nicira, Inc. Unified replication mechanism for fault-tolerance of state
US9973382B2 (en) 2013-08-15 2018-05-15 Nicira, Inc. Hitless upgrade for network control applications
US9602422B2 (en) 2014-05-05 2017-03-21 Nicira, Inc. Implementing fixed points in network state updates using generation numbers
US9923760B2 (en) 2015-04-06 2018-03-20 Nicira, Inc. Reduction of churn in a network control system
US10204122B2 (en) 2015-09-30 2019-02-12 Nicira, Inc. Implementing an interface between tuple and message-driven control entities
US11019167B2 (en) 2016-04-29 2021-05-25 Nicira, Inc. Management of update queues for network controller

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020107966A1 (en) * 2001-02-06 2002-08-08 Jacques Baudot Method and system for maintaining connections in a network
US6986076B1 (en) * 2002-05-28 2006-01-10 Unisys Corporation Proactive method for ensuring availability in a clustered system
US8335943B2 (en) * 2009-06-22 2012-12-18 Citrix Systems, Inc. Systems and methods for stateful session failover between multi-core appliances

Also Published As

Publication number Publication date
GB2485866A (en) 2012-05-30
GB2485866B (en) 2012-10-10

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