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商品の説明
内容説明
Large IT organizations increasingly face the challenge of integrating various web services, applications, and other technologies into a single network. The solution to finding a meaningful large-scale architecture that is capable of spanning a global enterprise appears to have been met in ESB, or Enterprise Service Bus. Rather than conform to the hub-and-spoke architecture of traditional enterprise application integration products, ESB provides a highly distributed approach to integration, with unique capabilities that allow individual departments or business units to build out their integration projects in incremental, digestible chunks, maintaining their own local control and autonomy, while still being able to connect together each integration project into a larger, more global integration fabric, or grid. Enterprise Service Bus offers a thorough introduction and overview for systems architects, system integrators, technical project leads, and CTO/CIO level managers who need to understand, assess, and evaluate this new approach. Written by Dave Chappell, one of the best known and authoritative voices in the field of enterprise middleware and standards-based integration, the book drills down into the technical details of the major components of ESB, showing how it can utilize an event-driven SOA to bring a variety of enterprise applications and services built on J2EE, .NET, C/C++, and other legacy environments into the reach of the everyday IT professional. With Enterprise Service Bus, readers become well versed in the problems faced by IT organizations today, gaining an understanding of how current technology deficiencies impact business issues. Through the study of real-world use cases and integration patterns drawn from several industries using ESB--including Telcos, financial services, retail, B2B exchanges, energy, manufacturing, and more--the book clearly and coherently outlines the benefits of moving toward this integration strategy. The book also compares ESB to other integration architectures, contrasting their inherent strengths and limitations. If you are charged with understanding, assessing, or implementing an integration architecture, Enterprise Service Bus will provide the straightforward information you need to draw your conclusions about this important disruptive technology.
著者について
Dave Chappell is vice president and chief technology evangelist for Sonic Software. Dave has over 20 years of experience in the software industry covering a broad range of roles including R&D, code-slinger, sales, support and marketing. He has a strong passion for shaping the future of technology, and enjoys sharing his knowledge and experience with others. Dave is well known for his writings and public lectures on the subjects of the Enterprise Service Bus (ESB), Message Oriented Middleware (MOM), enterprise integration, and evolving standards for Web services. As Director of Engineering for Sonic Software, Chappell led the development effort for SonicMQ, which has grown to become synonymous with enterprise messaging and the Java Message Service (JMS). He has extensive experience in distributed computing, including JMS and MOM, CORBA, COM, EJB and Web application server infrastructure. Dave's experience also includes development of client/server infrastructure, graphical user interfaces, and language interpreters. Chappell is noted for authoring the popular O'Reilly books on enterprise messaging and Web services, and serves as technical editor for Web Services Journal. Most recently, Chappell was honored by the editors of JavaPro for "Outstanding Contribution to the Java Community by an Individual".
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カスタマーレビュー
最も参考になったカスタマーレビュー
2 人中、2人の方が、｢このレビューが参考になった｣と投票しています。
形式:ペーパーバック
ここ1年あまりEA、EAI、SOAの本を読んできたが、現在の所、この本を読むことで一応の理解が得られたと思っています。SOAの本に関しては、サービスの定義などが中心に説明されますが、それを支える基盤になるESBに関しては簡単な説明に終わっているものが多いので、この本によってその部分が補われるからです。ETL、EAIの問題点も明確になり、ESBの必要性を豊富な図解で説明していますので、最新のアーキテクチャーを知るためには欠かせません。
Amazon.com で最も参考になったカスタマーレビュー (beta)
Amazon.com:
19件のカスタマーレビュー
31 人中、30人の方が、｢このレビューが参考になった｣と投票しています。
Looks promising
2004/7/4
形式:ペーパーバック
Chappell describes a highly promising but still speculative technology for connecting together enterprise-wide computations. It can also potentially be used to span different companies. Some of you may groan. Haven't we heard this already, several times? Remember the toutings of CORBA, Java's RMI, JMX, JMS, and the nascent Web Services?
Well, ESB draws upon often bitter lessons learnt with these earlier endeavours. CORBA was widely found to be too complex. RMI works only for tightly coupled systems, which do not scale well. So that became one reason for JMS, because it enabled loose coupling. But JMS is too low level. Web Services may indeed be promising, but face a danger of overspecifying a standard before enough practical experience is garnered.
ESB tries to subsume the best ideas from the above, and from other efforts. It promises loose coupling and an incremental rollout, amongst other things. The incremental ability may be key to getting a small scale project approved and implemented, due to its minimal investment.
You could think of ESB as taking the ideas of the JMX management console a step further. Plus, ESB can use JMX as a subsidiary technology.
Chappell also offers nice visual component schematics that could be used to represent and perhaps even assemble an ESB network. If this indeed is possible, it would be tremendous. Akin to the 1980s, when MicroSim offered a graphical version of Spice, with electronic parts availabled from a menu.
35 人中、31人の方が、｢このレビューが参考になった｣と投票しています。
All sales, no sizzle
2005/10/2
形式:ペーパーバック
I was hoping that this book would go through the history of technology leading up to the ESB, discuss how the ESB solves the problems presented by previous solutions and talk about some best practices for building ESBs.
Unfortunately, the whole book goes right into the sale pitch telling you that ESB is the solution to problems that we previously were unable to solve! And, ESB appears to have no downsides! And, there are some great vendors out there that can solve all your problems!
EAI didn't work for you? That's because Hub-And-Spoke doesn't scale. But, the author doesn't spend any time on what people did to address these problems. How about distributed components? Of course, they didn't work... no exactly sure why, but ESB solves the problem!
The redeming part about this book is that it does provide a good overview of what an ESB is. It also provides you with a lot of terminology that may be new to you.
However, I wouldn't buy this book again or recommend it to anyone. Instead, I would recommend a lot of other good books on SOA that tell you about how we got here and how the technology pieces are around to help support new solutions to previously hard problems.
Unfortunately, the whole book goes right into the sale pitch telling you that ESB is the solution to problems that we previously were unable to solve! And, ESB appears to have no downsides! And, there are some great vendors out there that can solve all your problems!
EAI didn't work for you? That's because Hub-And-Spoke doesn't scale. But, the author doesn't spend any time on what people did to address these problems. How about distributed components? Of course, they didn't work... no exactly sure why, but ESB solves the problem!
The redeming part about this book is that it does provide a good overview of what an ESB is. It also provides you with a lot of terminology that may be new to you.
However, I wouldn't buy this book again or recommend it to anyone. Instead, I would recommend a lot of other good books on SOA that tell you about how we got here and how the technology pieces are around to help support new solutions to previously hard problems.
24 人中、22人の方が、｢このレビューが参考になった｣と投票しています。
A must-read for integration architects
2004/8/4
形式:ペーパーバック
This book should be required reading for anyone involved with EAI, especially integration architects.
For those of you who may not have heard about ESB, it is a rather new approach to structuring a SOA (service-oriented architecture), using a distributed MOM infrastructure, XML messages, intelligent message routing, automatic transformation of messages, and centralized administration. The SOA approach to EAI solutions is compelling, but it is still too early in the game to tell if ESB will take the world by storm. It has a lot of promise, and many EAI vendors are jumping onto the bandwagon that Sonic, including Dave Chappell, helped to build.
The book offers the first comprehensive definition of an ESB that I have seen, almost entirely stripped bare of vendor-specific information and sales info. I say almost, for some issues (such as app-servers vs. ESB service containers) are presented in a less vendor neutral fashion than I would like. Overall, the book stays high on useful content, and low on vendor product positioning.
The books combines nicely described technical descriptions of ESB features with some high-level case studies culled from Dave's experiences in industry, or based on interviews with IT leaders that he conducted while researching the book.
The technical descriptions avoid becoming too detailed, but are sufficient to capture the essential issues encountered in integration. The book's diagrams, resembling Gregor-grams, are very useful, although I was a bit mystified to find a reference card for the glyphs used, tucked away in the back of the book. The diagrams are self-explanatory, IMHO.
The case studies are similarly abstract, avoiding introducing a level of detail that would cause the forest to be lost amongst the trees. At times I wished to a little more detail here, but I suspect I'm something of a glutton for punishment that way.
ESB is threatening to become something of a buzz word these days, what with IBM weighing into the ESB market. This book should help secure a rational, useful definition of Enterprise Service Bus before the marketing machines of the various integration vendors obliterate it in a storm of white papers and glossy brochures.
For those of you who may not have heard about ESB, it is a rather new approach to structuring a SOA (service-oriented architecture), using a distributed MOM infrastructure, XML messages, intelligent message routing, automatic transformation of messages, and centralized administration. The SOA approach to EAI solutions is compelling, but it is still too early in the game to tell if ESB will take the world by storm. It has a lot of promise, and many EAI vendors are jumping onto the bandwagon that Sonic, including Dave Chappell, helped to build.
The book offers the first comprehensive definition of an ESB that I have seen, almost entirely stripped bare of vendor-specific information and sales info. I say almost, for some issues (such as app-servers vs. ESB service containers) are presented in a less vendor neutral fashion than I would like. Overall, the book stays high on useful content, and low on vendor product positioning.
The books combines nicely described technical descriptions of ESB features with some high-level case studies culled from Dave's experiences in industry, or based on interviews with IT leaders that he conducted while researching the book.
The technical descriptions avoid becoming too detailed, but are sufficient to capture the essential issues encountered in integration. The book's diagrams, resembling Gregor-grams, are very useful, although I was a bit mystified to find a reference card for the glyphs used, tucked away in the back of the book. The diagrams are self-explanatory, IMHO.
The case studies are similarly abstract, avoiding introducing a level of detail that would cause the forest to be lost amongst the trees. At times I wished to a little more detail here, but I suspect I'm something of a glutton for punishment that way.
ESB is threatening to become something of a buzz word these days, what with IBM weighing into the ESB market. This book should help secure a rational, useful definition of Enterprise Service Bus before the marketing machines of the various integration vendors obliterate it in a storm of white papers and glossy brochures.
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