Open Source Matter

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Building Open-Source based enterprise-level solution

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OPEN SOURCE - Is it really free?

TARGET MARKET - Scalable IS Solutions

FRAMEWORK - Enterprise IS Framework

TECHNOLOGY COMPONENT CASE STUDY - Open-Source based Enterprise

Solution

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Is it really free?

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“Open source is a set of principles andpractices on how to write software.” –Wikipedia.

Based on Perens' principles

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1. Free Redistribution• The software can be freely given away or sold.• This was intended to expand sharing and use of the software on a legal basis.

1. Source Code• The source code must either be included or freely obtainable.

• Without source code, making changes or modifications can be impossible.

1. Derived Works• Redistribution of modifications must be allowed.• To allow legal sharing and to permit new features or repairs.

1. Integrity of The Author's Source Code• licenses may require that modifications are redistributed only as patches.

1. No Discrimination Against Persons or Groups• no one can be locked out.

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6. No Discrimination Against Fields of Endeavor• commercial users cannot be excluded.

7. Distribution of License• The rights attached to the program must apply to all to whom the

program is redistributed without the need for execution of anadditional license by those parties.

6. License Must Not Be Specific to a Product• The program cannot be licensed only as part of a larger distribution.

6. License Must Not Restrict Other Software

• The license cannot insist that any other software it is distributed withmust also be open source.

6. License Must Be Technology-Neutral• No click-wrap licenses or other medium-specific ways of accepting

the license must be required.

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The word "free" in our name does not referto price; it refers to freedom.

•First, the freedom to copy a program andredistribute it to your neighbors, so that theycan use it as well as you.

•Second, the freedom to change a program, sothat you can control it instead of it controllingyou; for this, the source code must be madeavailable to you.

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Freedom 0: The freedom to run the program forany purpose.

Freedom 1: The freedom to study and modifythe program.

Freedom 2: The freedom to copy the program soyou can help your neighbor.

Freedom 3: The freedom to improve theprogram, and release your improvements to thepublic, so that the whole community benefits.

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Scalable Information SystemSolutions

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Enterprise IS Framework

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Existing Technology Total Cost of Ownership, Turn Back Ratio

and Rate of Investment

Compatibility, Interoperability, Integration Disaster Recovery Plan System Audit & Forensic End User Support Human Resource & Consultancy Availability Don’t overshoot

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Convergence Platform

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Light Weight Directory AccessProtocol, use as user identification,authentication and authorization. It is youruser privileges backbone. Some servicethat based on LDAP, such as :◦ Microsoft Server Family: Active Directory Service

◦ Novell : Novell eDirectory.

◦ MACINTOSH : Apple Open Directory.

◦ Linux : LightLDAP.

◦ IBM : Tivoli Directory Server

◦ SUN : SUN Java System Directory Server

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Eclipse, platform-independent softwareframework for delivering what the projectcalls "rich-client applications", as opposed to"thin client" browser-based applications.

Currently java is versatile and de-factosoftware framework. It is differ from previoussoftware engineering that rely on manylibrary and component. It provides your

system with ready-to-built and add-onintegration with other software build bydifferent developer.

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TCP/IP, This network protocols is well-known open standard for networkcommunication. This protocols support fordata and voice communication usinghomogeny either heterogenic infrastructure.

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Open-Source basedEnterprise Solution

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DMZ

Edge

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Bondhan Rio,