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Specification of File and Object Set in an Application Service Group Dependency Graph for Reducing Application Start Latency in Deduplication and Cloud Environments

IP.com Disclosure Number: IPCOM000209527D
Publication Date: 2011-Aug-09
Document File: 4 page(s) / 57K

Publishing Venue

The IP.com Prior Art Database

Abstract

Each application has a set of virtual machines that are defined with a certain dependency graph and a set of objects such as related database tables or files that the application requires before it starts. When an application starts, these objects need to be kept ready by re-hydration if they are already de-duplicated or even fetched from a long term archive or cloud storage.

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Specification of File and Object Set in an Application Service Group Dependency Graph for Reducing Application Start Latency in Deduplication and Cloud Environments

Pradip Kulkarni

Symantec Corporation

Abstract

Each application has a set of virtual machines that are defined with a certain dependency graph and a set of objects such as related database tables or files that the application requires before it starts. When an application starts, these objects need to be kept ready by re-hydration if they are already de-duplicated or even fetched from a long term archive or cloud storage.

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Specification of File and Object Set in the Application Service Group Dependency Graph for Reducing Application Start Latency in Deduplication and Cloud Environments

Problem Statement

A running application could be a 3-tier application with multiple virtual machines in each tier to serve a full set.  For example, an ecommerce application could have three tiers: the first tier is the web front end running on many virtual servers to serve internet scale traffic; the second tier is the application logic used to serve customer requests (multiple instances of the second tier could be utilized); the third tier is the database tier that is used to run multiple virtual machines on multiple physical server hardware to cater to the customer demand. 

Complex applications, e.g., the 3-tier applications mentioned above, often demand many resources, such as multiple virtual machine images, database tables, files, and other operational objects.  An application will have a latency to get started if all of the resources need to be...