Book description
This IBM® Redbooks® publication will help you design and manage an end-to-end, extended distance connectivity architecture for IBM System z®. This solution addresses your requirements now, and positions you to make effective use of new technologies in the future.
Many enterprises implement extended distance connectivity in a silo manner. However, effective extended distance solutions require the involvement of different teams within an organization. Typically there is a network group, a storage group, a systems group, and possibly other teams.
The intent of this publication is to help you design and manage a solution that will provide for all of your System z extended distance needs in the most effective and flexible way possible. This book introduces an approach to help plan, optimize, and maintain all of the moving parts of the solution together.
Table of contents
- Front cover
- Notices
- Preface
-
Chapter 1. Introduction
- 1.1 Why we wrote this book
- 1.2 Why you would have multiple data centers
- 1.3 Common data center models
- 1.4 The importance of an end-to-end architecture
- 1.5 Role of the connectivity architecture group
- 1.6 What needs to be connected
- 1.7 Connectivity options
- 1.8 System z qualification and testing programs
- 1.9 Planning for the future
- 1.10 Where to go for help
- 1.11 Layout of this book
-
Chapter 2. Storage area network
- 2.1 SAN overview
- 2.2 Channel extension
- 2.3 SAN support for System z channel protocols
- 2.4 Extending the SAN
- 2.5 Considerations for inter-switch link (ISL)-extended SANs
- 2.6 Considerations for FCIP-extended SANs
- 2.7 Switch features
- 2.8 Redundant network and switch topologies
- 2.9 Practical considerations
- 2.10 Further information
-
Chapter 3. Wavelength division multiplexing
- 3.1 WDM description and functionality
- 3.2 Benefits of WDM technology
- 3.3 Terminology used with WDMs
- 3.4 Types of WDM
- 3.5 WDM systems
- 3.6 Signal quality degradation
- 3.7 WDM topologies and protection schemes
- 3.8 Connecting WDM into the end-to-end architecture
- 3.9 Additional WDM capabilities
- 3.10 Selecting a WDM
- 3.11 WDM connectivity preferred practices
-
Chapter 4. Common multisite models
- 4.1 Considerations for extended distance models
- 4.2 Consider your objective
- 4.3 Metro distance active/active configuration
- 4.4 Metro distance active/standby configuration
- 4.5 Extended distance disaster recovery configuration
- 4.6 Three-site configuration
- 4.7 GDPS/Active-Active
- 4.8 Selecting the model that is appropriate for you
-
Chapter 5. Planning
- 5.1 Creating your connectivity architecture group
- 5.2 Identifying your objectives
- 5.3 Documenting your System z configuration
- 5.4 Creating a balanced end-to-end configuration
- 5.5 Security considerations
- 5.6 IBM qualification for extended distance devices
- 5.7 Physical connectivity considerations
- 5.8 Selecting your extended distance equipment
- 5.9 Benchmarking your proposed configuration
- 5.10 Service provider requirements
- Appendix A. Performance considerations
- Appendix B. Sample qualification letters
- Appendix C. Physical layer information
- Appendix D. Fiber cabling services
- Appendix E. Fiber optic cables
- Related publications
- Back cover
Product information
- Title: System z End-to-End Extended Distance Guide
- Author(s):
- Release date: March 2014
- Publisher(s): IBM Redbooks
- ISBN: 9780738439044
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