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Metadata Centralization (Erl)


Home > Inventory Governance Patterns > Metadata Centralization

How can service metadata be centrally published and governed?  

Problem

Project teams, especially in larger enterprises, run the constant risk of building functionality that already exists or is already in development, resulting in wasted
effort, service logic redundancy, and service inventory denormalization.

Solution

Service metadata can be centrally published in a service registry so as to provide a formal means of service registration and discovery.

Application

A private service registry needs to be positioned as a central part of an inventory architecture supported by formal processes for registration and discovery.

Impacts

The service registry product needs to be adequately mature and reliable, and its required use and maintenance needs to be incorporated into all service delivery and governance processes and methodologies.

Principles

Service Discoverability

Architecture

Enterprise, Inventory




The fundamental discovery process during which a human
locates a potential service via a service registry representing
the service inventory and then interprets the service
to determine its suitability.



Related Patterns in This Catalog

Agnostic Sub-Controller (Erl), Canonical Expression (Erl), Canonical Versioning (Erl), Contract Centralization (Erl), Domain Inventory (Erl), Enterprise Inventory (Erl), Entity Abstraction (Erl), Logic Centralization (Erl), Service Layers (Erl), Service Normalization (Erl), Utility Abstraction (Erl)


Related Patterns in Other Catalogs

Lookup (Buschmann, Henney, Schmidt, Kircher, Jain)


Related Service-Oriented Computing Goals

Increased Vendor Diversification Options, Increased ROI, Reduced IT Burden


SOA Design Patterns This page contains excerpts from:

SOA Design Patterns by Thomas Erl

Foreword by Grady Booch

With contributions from David Chappell, Jason Hogg, Anish Karmarkar, Mark Little, David Orchard, Satadru Roy,
Thomas Rischbeck, Arnaud Simon, Clemens Utschig, Dennis Wisnosky, and others.

(ISBN: 0136135161, Hardcover, Full-Color, 400+ Illustrations, 865 pages)

For more information about this book, visit
www.soabooks.com.
The Prentice Hall Service-Oriented Computing Series from Thomas Erl
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