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GB2485866B - Data replication for a backup entity - Google Patents

Data replication for a backup entity

Info

Publication number
GB2485866B
GB2485866B GB1114826.9A GB201114826A GB2485866B GB 2485866 B GB2485866 B GB 2485866B GB 201114826 A GB201114826 A GB 201114826A GB 2485866 B GB2485866 B GB 2485866B
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.)
Active
Application number
GB1114826.9A
Other versions
GB2485866A (en
GB201114826D0 (en
Inventor
Richard Sugarman
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
Metaswitch Networks 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 Metaswitch Networks Ltd filed Critical Metaswitch Networks 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 OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/1412—
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/81—Threshold

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Telephonic Communication Services (AREA)
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 GB201114826D0 (en) 2011-10-12
GB2485866A GB2485866A (en) 2012-05-30
GB2485866B true 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)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9246833B2 (en) 2011-10-25 2016-01-26 Nicira, Inc. Pull-based state dissemination between managed forwarding elements
US9306843B2 (en) 2012-04-18 2016-04-05 Nicira, Inc. Using transactions to compute and propagate network forwarding state
US9432252B2 (en) 2013-07-08 2016-08-30 Nicira, Inc. Unified replication mechanism for fault-tolerance of state
US9559870B2 (en) 2013-07-08 2017-01-31 Nicira, Inc. Managing forwarding of logical network traffic between physical domains
US9602422B2 (en) 2014-05-05 2017-03-21 Nicira, Inc. Implementing fixed points in network state updates using generation numbers

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9973382B2 (en) 2013-08-15 2018-05-15 Nicira, Inc. Hitless upgrade for network control applications
US9967134B2 (en) 2015-04-06 2018-05-08 Nicira, Inc. Reduction of network churn based on differences in input state
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

Citations (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
US7321992B1 (en) * 2002-05-28 2008-01-22 Unisys Corporation Reducing application downtime in a cluster using user-defined rules for proactive failover
US20100325485A1 (en) * 2009-06-22 2010-12-23 Sandeep Kamath Systems and methods for stateful session failover between multi-core appliances

Patent Citations (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
US7321992B1 (en) * 2002-05-28 2008-01-22 Unisys Corporation Reducing application downtime in a cluster using user-defined rules for proactive failover
US20100325485A1 (en) * 2009-06-22 2010-12-23 Sandeep Kamath Systems and methods for stateful session failover between multi-core appliances

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9246833B2 (en) 2011-10-25 2016-01-26 Nicira, Inc. Pull-based state dissemination between managed forwarding elements
US9253109B2 (en) 2011-10-25 2016-02-02 Nicira, Inc. Communication channel for distributed network control system
US9602421B2 (en) 2011-10-25 2017-03-21 Nicira, Inc. Nesting transaction updates to minimize communication
US9306843B2 (en) 2012-04-18 2016-04-05 Nicira, Inc. Using transactions to compute and propagate network forwarding state
US9331937B2 (en) 2012-04-18 2016-05-03 Nicira, Inc. Exchange of network state information between forwarding elements
US9432252B2 (en) 2013-07-08 2016-08-30 Nicira, Inc. Unified replication mechanism for fault-tolerance of state
US9559870B2 (en) 2013-07-08 2017-01-31 Nicira, Inc. Managing forwarding of logical network traffic between physical domains
US9571304B2 (en) 2013-07-08 2017-02-14 Nicira, Inc. Reconciliation of network state across physical domains
US9602312B2 (en) 2013-07-08 2017-03-21 Nicira, Inc. Storing network state at a network controller
US9602422B2 (en) 2014-05-05 2017-03-21 Nicira, Inc. Implementing fixed points in network state updates using generation numbers

Also Published As

Publication number Publication date
GB2485866A (en) 2012-05-30
GB201114826D0 (en) 2011-10-12

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