Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
SOA Made Simple

You're reading from   SOA Made Simple

Arrow left icon
Product type Paperback
Published in Dec 2012
Publisher Packt
ISBN-13 9781849684163
Length 292 pages
Edition 1st Edition
Languages
Arrow right icon
Toc

Table of Contents (17) Chapters Close

SOA Made Simple
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Understanding the Problem FREE CHAPTER 2. The Solution 3. Service Identification and Design 4. Classification of Services 5. The SOA Platform 6. Solution Architectures 7. Creating a Roadmap, How to Spend Your Money and When? 8. Life Cycle Management 9. Pick your Battles 10. Methodologies and SOA Index

Service classification revisited


You have learned in the previous chapter that services can be divided into elementary services, composite services, and process services:

  • Elementary services: The smallest possible components that qualify as services. For example, a service that can be used for zip code lookups.

  • Composite services: Services that result from combining two or more other services into one service that provides more value. Composite services are executed in a single transaction and their execution time is relatively short. An example is a service to book a hotel and flight together.

  • Process services: Longer running services that can take a couple of hours, days, or even more to complete and span multiple transactions. An example is a service for ordering a book online. The entire process (order, pay, ship, deliver) involves multiple transactions and takes a couple of hours at least.

The following figure shows this classification of different services:

Example – insurance company...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime