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Service Messaging (Erl)


Home > Service Messaging Patterns > Service Messaging
How can services interoperate without forming persistent, tightly
coupled connections? 		 

Problem

Services that depend on traditional remote communication protocols impose the need for persistent connections and tightly coupled data exchanges, increasing consumer dependencies and limiting service reuse potential.

Solution

Services can be designed to interact via a messaging-based technology, which removes the need for persistent connections and reduces coupling requirements.

Application

A messaging framework needs to be established, and services need to be designed to use it.
Impacts

Messaging technology brings with it QoS concerns such as reliable delivery, security, performance, and transactions.

Principles

Standardized Service Contract, Service Loose Coupling
Architecture

Inventory, Composition, Service




Services interact via the transmission of messages--self-contained units of communication.


Related Patterns in This Catalog

Asynchronous Queuing (Little, Rischbeck, Simon), Canonical Protocol (Erl), Canonical Schema (Erl), Data Confidentiality (Hogg, Smith, Chong, Hollander, Kozaczynski, Brader, Delgado, Taylor, Wall, Slater, Lmran, Cibraro, Cunningham), Data Origin Authentication (Hogg, Smith, Chong, Hollander, Kozaczynski, Brader, Delgado, Taylor, Wall, Slater, Imran, Cibraro, Cunningham), Intermediate Routing (Little, Rischbeck, Simon), Message Metadata (Erl), Reliable Messaging (Little, Rischbeck, Simon), Service Agent (Erl), Service Instance Routing (Karmarkar), Stateful Services (Erl)


Related Patterns in Other Catalogs

Document Message (Hohpe, Woolfe), Message (Hohpe, Woolfe), Message Channel (Hohpe, Woolfe), Message Endpoint (Hohpe, Woolfe), Messaging (Hohpe, Woolfe),


Related Service-Oriented Computing Goals

Increased Intrinsic Interoperability, Increased Vendor Diversification Options, 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.
Web Service Contract Design and Versioning for SOA This pattern is also discussed in the following title:

Web Service Contract Design and Versioning for SOA
by Thomas Erl, Anish Karmarkar, Priscilla Walmsley, Hugo Haas, Umit Yalcinalp, Canyang Kevin Liu,
David Orchard, Andre Tost, James Pasley

Foreword by David Chappell

(ISBN: 013613517X, Hardcover, 826 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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