Arquitectura de software

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SunTone Architecture Methodology Overview
Nan Yang
Chief Architect Client Solutions Greater China Sun Microsystems of California Ltd.
SunTone AM
Sun Microsystems Proprietary and Confidential

Slide 1 Version 1.0 Slide 1

Why a Methodology

SunTone AM

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Slide 2 Version 1.0 Slide 2

State of The Industry
• • • • • • Many failuresSuccess by 11th hour heroes Low quality bar Growing expectations Shrinking timeframes Changing conditions
– Requirements – Technology – Political

• Diverse, distributed teams
SunTone AM
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Slide 3 Version 1.0 Slide 3

Which Path is Best?
Start

End
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Slide 4 Version 1.0 Slide 4 Methodology, The Point Is...?
• Common concepts & terminology • Common procedures, deliverables • Increase success rate • Increase quality
– Of deliverables – Of life

• Increase predictability • Increase repeatability of success • Increase efficiency
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Slide 5 Version 1.0 Slide 5

Principles of SunTone AM

SunTone AM

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Slide 6 Version 1.0 Slide 6

Origins: Unified Process (UP)
• Use Case driven • Focus on risk mitigation • Structural concepts
– Workflows – Phases
– Coarse vs. fine-grained planning

– Iterations / incremental development

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Slide 7 Version 1.0 Slide 7

Beyond Unified Process
•Architecture centric
– 3DM Approach – illities-Driven – Pattern-based – Architecture + Realisation Workflow

• Agile influence
– Minimize artifacts – Code is good – XP influence
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Slide 8 Version 1.0 Slide 8

Workflows
•A Workflow is a collection of related activities that generate artifacts. Phases
Core Workflows
RequirementsArchitecture Realization Verification Deployment
Inception Elaboration Construction Transition

Supporting Workflows
Configuration & Change Mgmt Project Management Environment

------------------------------ Cycle n ---------------------------------SunTone AM
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Slide 9 Version 1.0 Slide 9

UP  SunTone AM Workflows
Unified Process WorkflowRequirements OOA&D Implement
architecture design coding integration test

SunTone AM Workflow Requirements Architecture

Realization

Test
SunTone AM

system test

Verification
Slide 10 Version 1.0 Slide 10

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Typical Progress Profile
Integration begins

P r o g r e s s Schedule 
SunTone AM
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Slide 11 Version 1.0 Slide 11

SunTone AM Progress Profile
Continuous integration and test at each iteration

P r o g r e s s Schedule 
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Original release date

Slide 12 Version 1.0 Slide 12

Requirements Workflow

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Slide 13 Version 1.0Slide 13

Types of Requirements
Functional Actors & Use Cases
Business and operational processes

Nonfunctional Service Level Requirements
(QoS or “-ilities”)

Information
Business rules, domain model

Constraints
Environment, technology, team, etc.

Glossary
SunTone AM
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Slide 14 Version 1.0 Slide 14

Types of Actors
HumanBusiness Operational External System Time Active     Passive Both





• Operational Actors - those who keep the system running • Business Actors - those who benefit from using the system
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Slide 15 Version 1.0 Slide 15

Types of Use Cases
• There are 2 types of use cases:
– Business - support the business actors –...
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