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h2. Introduction

This is the home page for the Common Executing Infrastructure (CEI) subsystem and Integrated Product Team. It consolidates all the development effort for this subsystem. This page will serve as the home page for all releases of this subsystem.

h2. Team

|| Name || Org || Status \\ || Role \\ || Area of Work ||
| Henrie, Stephen \\ | UCSD \\ | active/part time \\ | Lead Architect \\ | \\ |
| Jul, Susanne \\ | | active/part time \\ | UX representative \\ | |
| Keahey, Kate \\ | ANL \\ | active/part time  \\ | Designer \\ | Lead designer CEI Release 1; Infrastructure as a Service \\ |
| LaBissoniere, David \\ | UofC/ANL \\ | active \\ | Senior Developer | \\ |
| Armstrong, Patrick | UofC \\ | active | Developer \\ | \\ |
| Riteau, Pierre | UofC | active/part time | Developer | |
| Meisinger, Michael | UCSD | active/part time | Architect \\ | System interfaces |


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h2. Subsystem Objectives


h3. Release 2 Objectives

(see also [syseng:R2 CEI Construction Plan])
{metadata:Objectives}
* Get a definition of R2 adopter groups and understand their direct and indirect requirements of CEI (indirect requirements will be filtered by other subsystems, e.g. DM and SA)
* Get a precise definition of the functional and non-functional requirements, and their priorities, that R2 adopter groups have on CEI; establish communication channels
* Define a strategy for extending the R1 cloud management capabilities and a providing process management capabilities on top of them to satisfy those requirements; the strategy should integrate existing process management tools and, to a reasonable extent, position us for using National Infrastructure resources in the future
* Integration with other subsystems; in particular DM (enabling the data management subsystem to achieve its goals) and COI (in particular on issues related to providing a robust system infrastructure for startup, continuous operations and failure compensation)
* Support the SA (through DM) subsystem in the generation of real-time data products by applying developer defined algorithms to data streams
* Identify and prepare functionality components for individual releases to ensure flexibility, adoption, impact and sustainability opportunities
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h3. Release 3 Objectives

See the [R3 CEI Construction Plan].

h2. Documentation

We produced an [CI Technical Elements Overview for General Audiences], which may be useful to appreciate the overall context of this system.

h3. Requirements Development

h3. Architectural Background

The System Engineering section of this wiki contains the [architectural materials|syseng:CIAD CEI Common Execution Infrastructure] for the CEI subsystem.

h3. Design

* [EPU R1 Plan]
* [CEI Design]

h3. Development and Implementation

There is a separate page capturing the following efforts:
* [Release 1 iteration 1 work for the CEI|CEI Release 1 Inception 1].&nbsp; [CEI R1I1 Deliverables]
* [Release 1 iteration 2 work for the CEI|CEI Release 1 Inception 2].&nbsp; [CEI R1I2 Deliverables]
* [Release 1 elaboration iteration 1|CIDev:CEI Release 1 Elaboration 1] for CEI.&nbsp; [CEI R1EI1 Deliverables]
* [Release 1 elaboration iteration 2 work for the CEI|CEI Release 1 Elaboration 2].&nbsp; [CEI R1EI2 Deliverables]
* [CEI Release 1 Elaboration 3]
* [CEI Release 1 Construction 1]
* [CEI Release 1 Construction 2]
* [CEI Release 1 Construction 3]
* [CEI Release 1 Transition]

h4. Release 2

The finalized iteration task plan (13 May) for the Common Execution Infrastructure is [here|^R2I1_CEI_Task_List_CI_2011-05-15_ver_1-00.pdf]. The evolving list of tasks is on [this|https://spreadsheets2.google.com/spreadsheet/ccc?authkey=CN6Xm74K&hl=en&key=taDwHGMB2PlPwwEWX97rkMg&hl=en&authkey=CN6Xm74K#gid=0] google docs spreadsheet.

* [CEI Release 2 Inception 1]
* [CEI Release 2 Inception 2]
* [CIDev:CEI Release 2 Elaboration 1]
* [CEI Release 2 Elaboration 2|CIDev:CEI Release 2 Elaboration 2]
* [CIDev:CEI Release 2 Elaboration 3]&nbsp;
* [CIDev:CEI Release 2 Construction 1]
* [CIDev:CEI Release 2 Construction 2]
* [CIDev:CEI Release 2 Construction 3] (*y)

h4. Release 3

The evolving list of tasks is on [this google docs spreadsheet|https://docs.google.com/spreadsheet/ccc?key=0AlllW1QnMRDHdFBnWU0zaWtaQ1llTEE2N0VoVTh2cGc#gid=1].

* [CIDev:CEI Release 3 Inception 1]

h3. Workshop Proposals

{add-page-form:template=Workshop Proposal|parent=@self|labels=r2-workshop-proposal r2-workshop-proposal-sa|allowRename=true|nameWidth=300px|prefix=Workshop Proposal on }Click to add new CEI workshop proposal{add-page-form}

{metadata-report:Page,Workshop Topic,Total Days,Coordinator Name, Key External Attendees,Poster|label=r2-workshop-proposal-cei}