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Delta object replication system and method for clustered system

A clustering and object-based technology, applied in distributed object-oriented systems, response error generation, hardware redundancy for data error detection, etc., can solve problems such as additional data retransmission

Active Publication Date: 2006-02-08
ORACLE INT CORP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Therefore, as the amount of data sent increases, the probability of dropping messages increases, which causes additional retransmissions of data

Method used

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  • Delta object replication system and method for clustered system
  • Delta object replication system and method for clustered system
  • Delta object replication system and method for clustered system

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[0015] The following include definitions of selected terms used throughout this disclosure. Both single and plural forms of all terms belong to each meaning:

[0016] "Computer-readable medium" as used herein refers to any medium that participates in providing, directly or indirectly, instructions and / or data to a processor for execution. Such a medium may take many forms, including, but not limited to, nonvolatile media, volatile media, and transmission media. Non-volatile media may include, for example, optical or magnetic disks. Volatile media may include dynamic memory. Transmission media can include coaxial cables, copper wire and fiber optic cables. Transmission media can also take the form of acoustic or light waves, such as those generated during radio wave and infrared data communications. Common forms of computer readable media include, for example, floppy disks, floppy disks, hard disks, magnetic tape, or any other magnetic media, CD-ROMs, any other optical medi...

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Abstract

In a clustered processing system, replication logic controls replication of objects to one or more replica states. The replication logic determines differences between states of an object. The one or more replica states can then be generated on other nodes in the clustered system from the differences without transmitting the entire state of the object.

Description

[0001] Cross References to Related Applications [0002] This application relates to an application filed on November 19, 2002, with agent registration number 27252-08, inventor Kevin K. Chang, titled "Data Replication System and Method For Clustered Systems", application number unknown and assigned to the recipient Man's pending US patent application, which is hereby incorporated by reference. technical field [0003] The present invention relates to clustering computer system technology. It finds particular application to clustering systems and methods with data replication systems. Background technique [0004] A cluster is a group of application server instances, running on independent servers, configured to work together to yield greater scalability and availability than can be provided by a single instance. While a single application server instance can only affect the running resources of a single host, a cluster can span multiple hosts, thereby distributing applica...

Claims

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Application Information

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IPC IPC(8): G06F9/46G06F11/14G06F11/20
CPCG06F11/1658G06F11/2097G06F9/465
Inventor 凯文·K·常哈伦·B·塞克斯顿
Owner ORACLE INT CORP
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