Document Details (Active Version)
Document Name: Requirements for an improved Basic Execution Service (BES) Document ID: doc16306 Description: In the context of Distributed Data Processing, and in particular Production Grid Infrastructures, the Execution Service, which manages Jobs at the grid level, must integrate inside a framework of other grid services. Based on OGF OGSA-BES 1.0, the work performed inside OGF HPC Profile, OGF PGI, and the existing gLite and 3G Bridge middleware stacks, this document presents a consistent set of requirements for an improved ‘Basic Execution Service’ (BES). The goal of this consistent set of requirements is to permit then to write down a ‘BES Functional Specification’ mostly independent of any message transport technology, and then ‘BES Client Interface’ renderings for one or several technologies. Version Comment: In the State Model, rename 'Running' as 'Processing' Version Created By: Etienne URBAH - 09/21/2011 10:08 AM EDT	Status: Draft Current Version: 15 Size: 1,011.5 KB Lock:  Unlocked

	Versions		Associations		Review

	Active	Version	Version Comment	Review	Created By	Status
		Version 15	In the State Model, rename 'Running' as 'Processing'		Etienne URBAH - 09/21/2011	Draft
		Version 14	In the State Model, add a transition from 'Running:Suspended' to 'Finished'		Etienne URBAH - 09/21/2011	Draft
		Version 13	In the State Model, add a 'Purge' transition from the 'Finished', 'Cancelled' and 'Failed' states to the ‘Purged’ pseudo-state		Etienne URBAH - 09/21/2011	Draft
		Version 12	In useful Official and De facto Standards, add 'JSDL Parameter Sweep Job Extension' GFD.149 - For Manual Data Staging, replace 'the Execution Service MUST NOT provide data transfer functionalities' by 'BES specifications MUST NOT provide details about the data transfer' - For Job description, add that 'the POSIXApplication Element described as normative extension by chapter 8.1 of ‘JSDL specification 1.0’ is badly defined and SHOULD be deprecated'.		Etienne URBAH - 09/20/2011	Draft
		Version 11	Take into account comments of Bernd SCHULLER. In the chapter about Data Management, added a description of the context and the workflows for automatic and manual data staging.		Etienne URBAH - 09/15/2011	Draft
		Version 10	Improve chapter about Data Management. Clearly separate requirements about the Client interface and requirements about the functionalities. Add short titles in bold to improve readability.		Etienne URBAH - 09/13/2011	Draft
		Version 9	Write content of chapter about Data Management. The document is ready for review.		Etienne URBAH - 09/09/2011	Draft
		Version 8	In the chapter about the Information Service, explain GLUE 2.0 class diagrams - Vastly improve chapter about Job State Model		Etienne URBAH - 09/09/2011	Draft
		Version 7	In the chapter describing the context of a Job Execution Service, add an extract of the UML diagram showing useful official and de facto standards - Write content of chapter about Job State Model (stick to BES 1.0)		Etienne URBAH - 09/07/2011	Draft
		Version 6	In the chapter about the Information Service, add GLUE 2.0 class diagrams - Improve chapter about Job Management - Write content of chapter about Job Description		Etienne URBAH - 09/06/2011	Draft
		Version 5	Added content of chapter about Job management		Etienne URBAH - 09/01/2011	Draft
		Version 4	Added content of chapters about Security, Application Repository, Accounting, Logging and Bookkeeping		Etienne URBAH - 08/31/2011	Draft
		Version 3	A few improvements		Etienne URBAH - 08/19/2011	Draft
		Version 2	Chapters on Non-functional and Information are written		Etienne URBAH - 08/02/2011	Draft
		Version 1	The first 3 chapters are now complete		Etienne URBAH - 07/29/2011	Draft

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