Understanding Enterprise SOA
暫譯: 理解企業服務導向架構 (SOA)

Eric Pulier, Hugh Taylor

Understanding Enterprise SOA
  • 出版商: Manning
  • 出版日期: 2005-11-01
  • 定價: $1,320
  • 售價: 5.0 折 $660
  • 語言: 英文
  • 頁數: 280
  • 裝訂: Paperback
  • ISBN: 1932394591
  • ISBN-13: 9781932394597
  • 相關分類: SOA

    • 立即出貨(限量) (庫存=3)

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"SOA is real ... Pulier is uniquely qualified to make [it] accessible to the general business audience." - Paul Gaffney, Staples, Inc., From the Foreword

"Brings to life interconnected SOA business and technology concerns." - Deborah Blackwell, Disney ABC Cable Networks Group

"It has made my life easier." - Loly Hlade, Countrywide Financial Corporation

"An incredibly useful case study, a compelling read." - Jason Bloomberg, Senior Analyst, Zapthink

Understanding Enterprise SOA gives technologists and business people an invaluable and until now missing integrated picture of the issues and their interdependencies. You will learn how to think in a big way, moving confidently between technology- and business-level concerns. Written in a comfortable, mentoring style by two industry insiders, the book draws conclusions from actual experiences of real companies in diverse industries, from manufacturing to genome research. It cuts through vendor hype and shows you what it really takes to get SOA to work.

Intended for both business people and technologists, the book reviews core SOA technologies and uncovers the critical human factors involved in deploying them. You will see how enterprise SOA changes the terrain of EAI, B2B commerce, business process management, "real time" operations, and enterprise software development in general.

 

Table of Contents

foreword xiii
preface xv
acknowledgments xix
about this book xx
introduction: a tight coupling case study xxiv



Part 1  Understanding the technology of enterprise SOA   1

1  The goal of loose coupling   3
1.1 In the beginning, there was distributed computing 5
What is distributed computing? 5
1.2 The two problems of interoperability 7
Proprietary standards 8
Tight coupling 8
1.3 The goal: simple and inexpensive interoperability 11
The impact of object-oriented software 12
Client-server 14
Setting the standards 15
Early loose coupling 16
1.4 Real loose coupling 17
Hardware, software, and network transparency 17
XML 18
The coalescing of key enabling factors 21
1.5 Summary 22
2  Web services overview   23
2.1 When you look up my auto policy 23
Call and response 24
How the CSR would consume web services 26
2.2 The technology it’s based on 27
SOAP 27
WSDL 28
UDDI 29
2.3 Characteristics of web services 30
Loose coupling 30
Network transparency 30
2.4 Birthing a web service 32
Exposing web services 33
New web services 34
Specific technologies 34
2.5 The savvy manager cautions: standards 35
2.6 Summary 35
3  What web services can do   37
3.1 Technology with potential 37
3.2 Invoking remote procedures 38
3.3 Exchanging data 39
3.4 Impact on EDI 39
3.5 Communicating between multivendor systems 40
3.6 Interacting interdepartmentally and beyond 41
3.7 Integrating applications (EAI) 43
3.8 The savvy manager cautions: the limits of web services 44
Replacing legacy systems 45
Operating securely or reliably on their own 46
Performance 46
It’s not always SOAP, either 46
3.9 Summary 47
4  What is SOA?    49
4.1 Enterprise architecture: the big picture 50
4.2 The service-oriented architecture 51
Struggling to adapt in today’s enterprise architecture 52
SOA solutions: theory and practice 55
4.3 The savvy manager cautions: EA is a process, not a dogma 57
4.4 Summary 57
5  SOA for enterprise application integration   58
5.1 Is Titan happy with its EAI? 58
First, the truth: EAI is broken 59
Islands of integration 59
Other EAI challenges 62
5.2 How web services can simplify EAI 62
5.3 Web services in portals 63
5.4 Web services in software development 66
5.5 The savvy manager cautions: limitations of web services in EAI 69
Speed and reliability 69
Security 70
Political issues raised by web services EAI 71
5.6 Summary 72
6  SOA for B2B commerce   73
6.1 Does Titan do B2B? 74
6.2 Example: managing the supply chain 74
6.3 Example: building hubs 77
6.4 Partner-to-partner: airline and car rental 78
6.5 Government and scientific SOAs 80
Example: coordinating government 80
Example: integrating scientific data 81
6.6 The savvy manager cautions: you may still need proprietary standards 82
6.7 Summary 84
7  SOA: improved business processes   85
7.1 The “integration-centric” enterprise 87
Data warehousing 89
Business activity monitoring (BAM) 90
Issues in integration-centric enterprises 91
7.2 The “process-centric” enterprise 93
7.3 The savvy manager cautions: process management is subjective 96
7.4 Summary 96
8  Real-time operations   98
8.1 What is your company’s time frame? 99
8.2 The goal of the real-time enterprise 100
8.3 Delivering real time with the SOA 101
8.4 Getting agile with a real-time SOA 103
8.5 The real-time virtual data warehouse 105
8.6 Setting business-level agreements 106
8.7 The savvy manager cautions: real time is an overused term 107
8.8 Summary 108
9  Security in a loosely coupled environment   109
9.1 Risks of loose coupling 110
Machine to machine 111
Authorization and authentication 112
Privacy and integrity 113
Flooding 114
Auditing 114
9.2 Layers of SOA security 115
Security policy and provisioning 115
Message-level security 115
Governance 116
9.3 Solutions to SOA security 116
SOAP message monitoring 116
SAML and federated authentication 117
Application proxy 119
Contract management 119
Certificates, keys, and encryption 120
XML encryption 121
Digital signatures 122
Replay attack protection and auditing 123
9.4 The savvy manager cautions: don’t let security paralyze you 124
9.5 Summary 124
10  Running an SOA   126
10.1 Problems in the unmanaged SOA 126
Quality of service 127
Transaction monitoring and web service orchestration 127
Context sensitivity 128
Change management and version control 129
Load balancing and failover 130
10.2 Web service management solutions 131
SOAP monitoring 131
Quality of service and SLAs 132
Contracts 133
Caching 133
Orchestration 134
Context and priority 135
Change management 135
High availability 136
10.3 The savvy manager cautions: choosing an SOA management solution 137
10.4 Summary 137
11  Assembling SOA networks   139
11.1 Titan’s potential SOA network 139
11.2 Managing the SOA network 140
Passing messages through the network 141
Managing change in the SOA network 143
11.3 Securing the SOA network 143
11.4 Finding the right solution 144
11.5 Using SOAP interception for SOA network management 145
11.6 XML VPNs 147
11.7 The savvy manager cautions: who’s in charge? 149
11.8 Summary 150
12  Utility computing   151
12.1 What Titan would gain from utility computing 151
12.2 How open standards enable utility computing 154
12.3 Utility computing in the SOA 156
12.4 The savvy manager cautions: secure your utility computing 158
12.5 Summary 158

Part 2  Understanding the people and process of enterprise SOA   161

13  Exploring an SOA for Titan   163
13.1 Meeting with Titan’s people 165
13.2 Converting Titan’s wish list into an SOA 168
Matching the wish list to services and processes 168
Translating the wish list into a service map 173
13.3 Summary 176
14  Achieving consensus at Titan   178
14.1 The second meeting 178
Replacing the front-end 179
Transitioning to best of breed 183
14.2 Leadership 184
14.3 The four P’s 185
14.4 Summary 186
15  People: starting the training   188
15.1 Grouping for SOA training success 188
15.2 Going beyond the basics 191
15.3 Adding an “architects’ council” 196
15.4 Summary 196
16  People: establishing best practices   198
16.1 Service discovery 199
Modeling the business 199
Process definition 200
16.2 Service creation, part I 203
Rating the services 204
Migration 207
Isolation 208
Flexibility and reusability 209
Other factors 209
Overall evaluation 210
Next steps 210
16.3 Summary 211
17  People: establishing best practices   213
17.1 Selecting a platform 213
17.2 Choosing a pilot project 214
17.3 Confronting a real architecture 217
17.4 Setting goals and achieving success 219
17.5 Measuring success 223
17.6 Summary 223
18  Plan and proceed   225
18.1 Forming an SOA plan 225
Heavy lifting 226
Making big decisions 226
Forming the target architecture 228
Migration plan 229
Finalizing the plan 230
18.2 The fourth P: proceed 231
18.3 Facing disaster 232
18.4 Summary 233

Looking ahead 235
index 237

商品描述(中文翻譯)

**描述**

「SOA是真實的……Pulier獨特的資格使其能夠讓一般商業觀眾接觸到它。」- Paul Gaffney, Staples, Inc., 來自前言

「讓互聯的SOA商業和技術問題變得生動。」- Deborah Blackwell, Disney ABC Cable Networks Group

「它讓我的生活變得更簡單。」- Loly Hlade, Countrywide Financial Corporation

「一個極其有用的案例研究，令人信服的閱讀。」- Jason Bloomberg, 高級分析師, Zapthink

《理解企業SOA》為技術人員和商業人士提供了一個無價且至今缺失的綜合視角，涵蓋了問題及其相互依賴性。您將學會如何以宏觀的方式思考，自信地在技術和商業層面之間切換。這本書由兩位行業內部人士以輕鬆的指導風格撰寫，從各行各業的真實公司實際經驗中得出結論，從製造業到基因研究。它突破了供應商的炒作，向您展示了實現SOA所需的真正條件。

本書旨在針對商業人士和技術人員，回顧核心SOA技術並揭示部署它們所涉及的關鍵人為因素。您將看到企業SOA如何改變EAI、B2B商務、業務流程管理、「實時」操作以及企業軟體開發的整體格局。

**目錄**

前言 xiii
序言 xv
致謝 xix
關於本書 xx
導言：緊密耦合案例研究 xxiv

**第一部分 理解企業SOA的技術 1**
1 目標：鬆散耦合 3
1.1 一開始，有分散式計算 5
什麼是分散式計算？ 5
1.2 互操作性的兩個問題 7
專有標準 8
緊密耦合 8
1.3 目標：簡單且廉價的互操作性 11
物件導向軟體的影響 12
客戶端-伺服器 14
設定標準 15
早期的鬆散耦合 16
1.4 真正的鬆散耦合 17
硬體、軟體和網路透明性 17
XML 18
關鍵啟用因素的合併 21
1.5 總結 22

2 網路服務概述 23
2.1 當您查詢我的汽車保單時 23
呼叫與回應 24
客戶服務代表如何使用網路服務 26
2.2 基於的技術 27
SOAP 27
WSDL 28
UDDI 29
2.3 網路服務的特徵 30
鬆散耦合 30
網路透明性 30
2.4 創建網路服務 32
暴露網路服務 33
新網路服務 34
特定技術 34
2.5 精明的經理警告：標準 35
2.6 總結 35

3 網路服務能做什麼 37
3.1 具有潛力的技術 37
3.2 調用遠程程序 38
3.3 數據交換 39
3.4 對EDI的影響 39
3.5 在多供應商系統之間進行通信 40
3.6 部門間及更廣泛的互動 41
3.7 整合應用程式（EAI） 43
3.8 精明的經理警告：網路服務的限制 44
替換舊系統 45
獨立安全或可靠運行 46
性能 46
它不總是SOAP 46
3.9 總結 47

4 SOA是什麼？ 49
4.1 企業架構：全局 50
4.2 服務導向架構 51
在當今企業架構中掙扎適應 52
SOA解決方案：理論與實踐 55
4.3 精明的經理警告：EA是一個過程，而不是教條 57
4.4 總結 57

5 SOA在企業應用整合中的應用 58
5.1 Titan對其EAI滿意嗎？ 58
首先，真相：EAI已經破裂 59
整合孤島 59
其他EAI挑戰 62
5.2 網路服務如何簡化EAI 62
5.3 網路服務在門戶中的應用 63
5.4 網路服務在軟體開發中的應用 66
5.5 精明的經理警告：網路服務在EAI中的限制 69
速度和可靠性 69
安全性 70
網路服務EAI引發的政治問題 71
5.6 總結 72

6 SOA在B2B商務中的應用 73
6.1 Titan做B2B嗎？ 74
6.2 例子：管理供應鏈 74
6.3 例子：建立樞紐 77
6.4 夥伴對夥伴：航空公司和租車 78
6.5 政府和科學SOA 80
例子：協調政府 80
例子：整合科學數據 81
6.6 精明的經理警告：您可能仍然需要專有標準 82
6.7 總結 84

7 SOA：改善業務流程 85
7.1 「以整合為中心」的企業 87
數據倉儲 89
業務活動監控（BAM） 90
以整合為中心的企業中的問題 91
7.2 「以流程為中心」的企業 93
7.3 精明的經理警告：流程管理是主觀的 96
7.4 總結 96

8 實時操作 98
8.1 您公司的時間框架是什麼？ 99
8.2 實時企業的目標 100
8.3 通過SOA實現實時交付 101
8.4 使實時SOA變得靈活 103
8.5 實時虛擬數據倉庫 105
8.6 設定業務級別協議 106
8.7 精明的經理警告：實時是一個過度使用的術語 107
8.8 總結 108

9 鬆散耦合環境中的安全性 109
9.1 鬆散耦合的風險 110
機器對機器 111
授權和身份驗證 112
隱私和完整性 113
洪水攻擊 114
審計 114
9.2 SOA安全的層次 115
安全政策和配置 115

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