Select a Pattern Agnostic Capability Agnostic Context Agnostic Sub-Controller Asynchronous Queuing Atomic Service Transaction Brokered Authentication Canonical Expression Canonical Protocol Canonical Resources Canonical Schema Canonical Schema Bus Canonical Versioning Capability Composition Capability Recomposition Compatible Change Compensating Service Transaction Composition Autonomy Concurrent Contracts Contract Centralization Contract Denormalization Cross-Domain Utility Layer Data Confidentiality Data Format Transformation Data Model Transformation Data Origin Authentication Decomposed Capability Decoupled Contract Direct Authentication Distributed Capability Domain Inventory Dual Protocols Enterprise Inventory Enterprise Service Bus Entity Abstraction Event-Driven Messaging Exception Shielding Federated Endpoint Layer File Gateway Functional Decomposition Intermediate Routing Inventory Endpoint Legacy Wrapper Logic Centralization Message Screening Messaging Metadata Metadata Centralization Multi-Channel Endpoint Non-Agnostic Context Official Endpoint Orchestration Partial State Deferral Partial Validation Policy Centralization Process Abstraction Process Centralization Protocol Bridging Proxy Capability Redundant Implementation Reliable Messaging Rules Centralization Schema Centralization Service Agent Service Broker Service Callback Service Data Replication Service Decomposition Service Encapsulation Service Facade Service Grid Service Instance Routing Service Layers Service Messaging Service Normalization Service Perimeter Guard Service Refactoring State Messaging State Repository Stateful Services Termination Notification Three-Layer Inventory Trusted Subsystem UI Mediator Utility Abstraction Validation Abstraction Version Identification Overview     History     Acknowledgements     Podcasts     Notification Form     Feedback Form     Press Release #1     Press Release #2     Press Release #3 Master SOA Design Pattern Catalog     Master Pattern List (alphabetical)     Master Pattern List (by category)     Master Pattern List with Page Numbers (PDF)     Master Pattern List (Text)     Pattern Notation     Pattern Profiles     Symbol Legend     Pattern Contribution Form SOA Candidate Patterns     SOA Patterns Review Committee     Candidate Patterns Overview     Candidate Patterns List     Candidate Pattern Contribution Form     Candidate Pattern Feedback Form     SOA Pattern Template Design Pattern Basics     What's a Design Pattern?     What's a Design Pattern Language?     What's a Compound Pattern? Supplemental     SOA Patterns and Application Technologies     SOA Design Patterns Historical Influences     SOA Design Patterns and Design Principles     SOA Design Patterns and Design Granularity     Legal Resources     Design Patterns Publications     Reference Posters     SOAPrinciples.com     WhatIsSOA.com     SOA Visio Stencil About the Book SOA Design Patterns by Thomas Erl For more information visit: www.soapatterns.com Related Publications "Introducing SOA Design Patterns", SOA World Magazine (PDF) "The Case for Single-Purpose Services: Understanding the Non-Agnostic Context and a Strategy for Implementation", SOA Magazine (HTML) "REST-Inspired SOA Design Patterns", SOA Magazine (HTML) "Service-Orientation and Object-Orientation Part I: A Comparison of Goals and Concepts", SOA Magazine (HTML) "Service-Orientation and Object-Orientation Part II: A Comparison of Design Principles", SOA Magazine (HTML) "Service Facade", InformIT (HTML) "Non-Agnostic Context", InformIT (HTML) "Domain Inventory", InformIT (HTML) "Service Normalization", InformIT (HTML) "Service Decomposition", InformIT (HTML) "Canonical Schema", InformIT (HTML) "Policy Centralization", InformIT (HTML) SOA Design Patterns and Design Granularity Home > SOA Design Patterns and Design Granularity Design granularity, as it pertains to service-orientation, is itself something that you should be familiar with prior to reading the upcoming chapters. Specifically, it is suggested that you look up the following terms at SOAGlossary.com because several of the upcoming pattern descriptions reference these terms with no further explanation: • Service Granularity - The overall quantity of functionality encapsulated by a service determines the service granularity. A service's granularity is determined by its functional context, which is usually established during the service modeling phase. • Capability Granularity - The quantity of functionality encapsulated by a specific service capability determines the level of corresponding capability granularity. • Data Granularity - The quantity of data exchanged by a specific service capability determines the level of its data granularity. • Constraint Granularity - The extent of validation logic detail defined for a given service capability within the service contract determines the capability's level of constraint granularity. Generally, the more specific the constraints and the larger the amount of constraints, the more fine-grained the capability's constraint granularity is. The effect of design patterns on service-related design granularity can vary. For example, when applying multiple patterns (or compound patterns) to the same service, the end-levels of design granularity may be distinctly defined by that combination of patterns (and they may fluctuate between the application of one pattern to another).

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