- Hardcover: 736 pages
- Publisher: Addison-Wesley Professional; 1 edition (October 20, 2003)
- Language: English
- ISBN-10: 0321200683
- ISBN-13: 978-0321200686
- Product Dimensions: 7.4 x 1.6 x 9.2 inches
- Shipping Weight: 2.9 pounds (View shipping rates and policies)
- Average Customer Review: 4.5 out of 5 stars See all reviews (82 customer reviews)
- Amazon Best Sellers Rank: #149,379 in Books (See Top 100 in Books)
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Enterprise Integration Patterns: Designing, Building, and Deploying Messaging Solutions 1st Edition
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From the Back Cover
Utilizing years of practical experience, seasoned experts Gregor Hohpe and Bobby Woolf show how asynchronous messaging has proven to be the best strategy for enterprise integration success. However, building and deploying messaging solutions presents a number of problems for developers. Enterprise Integration Patterns provides an invaluable catalog of sixty-five patterns, with real-world solutions that demonstrate the formidable of messaging and help you to design effective messaging solutions for your enterprise.
The authors also include examples covering a variety of different integration technologies, such as JMS, MSMQ, TIBCO ActiveEnterprise, Microsoft BizTalk, SOAP, and XSL. A case study describing a bond trading system illustrates the patterns in practice, and the book offers a look at emerging standards, as well as insights into what the future of enterprise integration might hold.
This book provides a consistent vocabulary and visual notation framework to describe large-scale integration solutions across many technologies. It also explores in detail the advantages and limitations of asynchronous messaging architectures. The authors present practical advice on designing code that connects an application to a messaging system, and provide extensive information to help you determine when to send a message, how to route it to the proper destination, and how to monitor the health of a messaging system. If you want to know how to manage, monitor, and maintain a messaging system once it is in use, get this book.
About the Author
Gregor Hohpe leads the enterprise integration practice at ThoughtWorks, Inc., a specialized provider of application development and integration services. Drawing from his extensive experience designing and implementing integration solutions for enterprise clients, Gregor has published a number of papers and articles presenting a no-hype view on enterprise integration, Web services, and Service-Oriented Architectures. He is a frequent speaker at technical conferences around the world.
Bobby Woolf is coauthor of The Design Patterns Smalltalk Companion (Addison-Wesley, 1998), and author of articles in IBM DeveloperWorks, Java Developer's Journal, and elsewhere. He has been a tutorial presenter at OOPSLA, JavaEdge, and Smalltalk Solutions, among other conferences.
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Top Customer Reviews
The author starts by giving the reader the top reasons why messaging should be chosen for the next project:
1) Remote communication
2) Platform/Language Integration
3) Asynchronous communication
4) Variable timing
6) Reliable Communication
7) Disconnected operation
9) Thread Management
The author goes into detail on each of these reasons. These reasons would convince any software architect, but the author goes even further than that and reiterates the benefits of each of these reasons and elaborates on them thru out the book.
Chapter 3 of the book starts by breaking up a messaging system into its main components and briefly explaining each one:
1) Message Channel
3) Pipes and Filers
4) Message Router
5) Message Translator
6) Message Endpoint
Each of these high level topics is then broken down and various patterns are shown for each section. Just like the GoF book, the reader can simply go the desired section and read the patterns that are associated with that "subsystem"
Each section is then followed by a full-blown example, which to me is priceless. The examples are shown using the most popular middleware vendors such as TIBCO, IBM, Microsoft, Web Methods, SeeBeyond and a couple JMS vendors. The examples show the similarities and differences in implementation but clearly show how EACH pattern that was just covered in the previous section applies to the example.
Having worked with many of the MOM vendors covered in this book, Chapter 7, Message Routing, is my favorite chapter. The author breaks down this topic into 14 different patterns:
i) Pipes and Filers
ii) Message Router
iii) Content-Based router
iv) Message Filter
v) Dynamic Router
vi) Recipient List
x) Composed Message Processor
xii) Routing Slip
xiii) Process Manager
xiv) Message Broker
The chances are, not many of us need to write a MOM due to the fact that there are many vendors out there that are doing that already! But one could certainly use this section for education purposes, and/or use it a checklist of "nice-to-haves" when shopping around for a MOM vendor. By reading the book, you can figure out what "features" apply to you, your application and your enterprise, and take that list and see which vendor has implemented that feature.
In summary, Gregor Hohpe and Bobby Woolf have done a fantastic job depicting a very complex topic. I have made a place for this book right next to the original GoF Design Patterns book.
This is the book I had been waiting for. Furthermore the authors have avoided the usual three pitfalls of technical books: it is well organized, it well written, and it is deep treatment, not at all superficial.
The book is organized into 65 patterns (in the manner of the classic _Design Patterns_). Each pattern shows one typical problem in integrating applications, and how it is solved. Each pattern gives enough implementation details so it is clear how it would work, and an example or two so it is clear how it works in practice. For example the Message Expiration pattern addresses the problem of "How can a sender of a message indicate when a message should be considered stale and thus shouldn't be processed?"
The writing in this book is clear. For example "A Message Expiration is like the expiration date on a milk carton. After that date, you shouldn't drink the milk." The authors have also invented icons for each of their patterns. Their icon language allows a integration architecture to be visuallized in a way that UML does not provide.
Amongst the 11 pattern-describing chapters are 3 "interludes", chapter-length examples that explain a problem, show how patterns can combined to solve it, and then provide implementations in different technologies (JMS, .Net, TIBCO, MSMQ, etc.).
My only beef with this book is that it is long and dense: almost 700 pages. I bought it in late December 2003 and I am only finishing it now. But it is hard to say what should have been cut. Certainly none of the patterns are unnecessary, and the decription of each feels like about the right length. The interludes are also useful for seeing how the patterns fit together. So maybe this book just needs to be 700 pages.
I have done Messaging and message based integration before, but this book takes essentially what is an art form and makes a science out of it.
First it starts with 4 different styles of integration (File based, Shared Database, RPC, Messaging) and discusses them intelligently giving their advantages and disadvantages.
Then it gets in to the major aspects/ pieces of Message based integration (Message, Channel, Routing, Transformation, End Points, System Management etc). It again discusses them as patterns and develops a good vocabulary of the messaging domain.
Then comes the meat where for each aspect of Messaging, it gives about 8 to 15 specific patterns, names them, shows their pros and cons, gives the trade off and intelligently discusses their usage. As part of the examples it draws example from JMS/ TIBCO/ MSMQ etc. Priceless.
What I loved about this book is how it makes you rethink everything you may have been doing before in software architecture/ integration using technologies such as Web Services, JMS, J2EE etc.
For example, many would not have fully groked MDBs as "event driven", "competing", "transactional" message consumers, that are suited for "Point to Point" integration. Yes I know every body uses them but do you really understand the implications for transaction scope and threading? . Or Polling message consumers have their advantages ?
Good discussion on relate standards and technologies included (Web Services, Axis Implementation, WS-*, SOAP etc)
Buy this guys and may be enterprise integration would be less messy.
Most Recent Customer Reviews
The book itself is very well written and organized.Read more