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Fundamental Design
Terminology and Concepts
    Introduction
    Design Characteristic
    Design Principle
    Design Paradigm
    Design Pattern
    Design Standard
    Best Practice

Elements of
Service-Oriented Computing
    Introduction
    Service-Oriented
Architecture (SOA)
    Services and
Service-Orientation
    Service Compositions
    Service Inventory
    A Conceptual View of
Service-Oriented Computing
    A Physical View of
Service-Oriented Computing

Goals and Benefits of
Service-Oriented Computing
    Introduction
    Increased Intrinsic Interoperability
    Increased Federation
    Increased Vendor Diversification Options
    Increased Business and Technology Alignment
    Increased ROI
    Increased
Organizational Agility
    Reduced IT Burden

Service-Oriented Computing
in the Real World
    Services as Web Services
    About Web Services (Part I)
    About Web Services (Part II)
    Service Models and
Service Layers
    Service Inventory Blueprints
    Service-Oriented Analysis
    Service-Oriented Design

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Increased Federation

Home > Goals and Benefits of Service-Oriented Computing > Increased Federation

A federated IT environment is one where resources and applications are united while maintaining their individual autonomy and self-governance. SOA aims to increase a federated perspective of an enterprise to whatever extent it is applied. It accomplishes this through the wide spread deployment of standardized and composable services each of which encapsulates a segment of the enterprise and expresses it in a consistent manner.

In support of increasing federation, standardization becomes part of the extra up-front attention each service receives at design time. Ultimately this leads to an environment where enterprise-wide solution logic becomes naturally harmonized, regardless of the nature of its underlying implementation.


Figure: Three service contracts establishing a federated set of endpoints, each of which encapsulates a different implementation. When service-oriented solutions are built via the Web services technology platform, the level of attainable federation is further elevated because services can leverage the non-proprietary nature of the technologies themselves. However, even when using Web services the key success factor to achieving true unity and federation remains the application of design principles and standards.
Related Service-Orientation Principles

Standardized Service Contract, Service Loose Coupling, Service Abstraction

Related SOA Patterns

Canonical Expression, Canonical Protocol, Canonical Schema, Canonical Schema Bus, Canonical Versioning, Contract Centralization, Decoupled Contract, Decoupled Contract, Domain Inventory, Enterprise Inventory, Federated Endpoint Layer, Logic Centralization, Official Endpoint, Service Layers, Service Normalization

The Prentice Hall Service-Oriented Computing Series from Thomas Erl
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