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Data Center Virtualization Fundamentals
For many IT organizations, today’s greatest challenge is to drive more value, efficiency, and utilization from data centers. Virtualization is the best way to meet this challenge. Data Center Virtualization Fundamentals brings together the comprehensive knowledge Cisco professionals need to apply virtualization throughout their data center environments. Leading data center expert Gustavo A. A. Santana thoroughly explores all components of an end-to-end data center virtualization solution, including networking, storage, servers, operating systems, application optimization, and security. Rather than focusing on a single product or technology, he explores product capabilities as interoperable design tools that can be combined and integrated with other solutions, including VMware vSphere. With the author’s guidance, you’ll learn how to define and implement highly-efficient architectures for new, expanded, or retrofit data center projects. By doing so, you can deliver agile application provisioning without purchasing unnecessary infrastructure, and establish a strong foundation for new cloud computing and IT-as-a-service initiatives. Throughout, Santana illuminates key theoretical concepts through realistic use cases, real-world designs, illustrative configuration examples, and verification outputs. Appendixes provide valuable reference information, including relevant Cisco data center products and CLI principles for IOS and NX-OS. With this approach, Data Center Virtualization Fundamentals will be an indispensable resource for anyone preparing for the CCNA Data Center, CCNP Data Center, or CCIE Data Center
Gustavo A. A. Santana, CCIE® No. 8806, is a Cisco Technical Solutions Architect working in enterprise and service provider data center projects that require deep integration across technology areas such as networking, application optimization, storage, and servers. He has more than 15 years of data center experience, and has led and coordinated a team of specialized Cisco engineers in Brazil. He holds two CCIE certifications (Routing & Switching and Storage Networking), and is a VMware Certified Professional (VCP) and SNIA Certified Storage Networking Expert (SCSN-E).
“The variety of material that Gustavo covers in this work would appeal to anyone responsible for Data Centers today. His grasp of virtualization technologies and ability to relate it in both technical and non-technical terms makes for compelling reading. This is not your ordinary tech manual. Through use of relatable visual cues, Gustavo provides information that is easily recalled on the subject of virtualization, reaching across Subject Matter Expertise domains. Whether you consider yourself well-versed or a novice on the topic, working in large or small environments, this work will provide a clear understanding of the diverse subject of virtualization.”
-- Bill Dufresne, CCIE 4375, Distinguished Systems Engineer, Cisco (Americas)
“..this book is an essential reference and will be valuable asset for potential candi¿dates pursuing their Cisco Data Center certifications. I am confident that in reading this book, individuals will inevitably gain extensive knowledge and hands-on experience dur¿ing their certification preparations. If you’re looking for a truly comprehensive guide to virtualization, this is the one!”
-- Yusuf Bhaiji, Senior Manager, Expert Certifications (CCIE, CCDE, CCAr),
“When one first looks at those classic Cisco Data Center blueprints, it is very common to become distracted with the overwhelming number of pieces and linkages. By creating a solid theoretical foundation and providing rich sets of companion examples to illustrate each concept, Gustavo’s book brings hope back to IT Professionals from different areas of expertise. Apparently complex topics are demystified and the insertion of products, mechanisms, protocols and technologies in the overall Data Center Architecture is clearly explained, thus enabling you to achieve robust designs and successful deployments. A must read... Definitely!”
-- Alexandre M. S. P. Moraes, Consulting Systems Engineer – Author of “Cisco Firewalls”
Download the sample pages (includes Chapter 7 and Index)
Part I What Is Virtualization?
Chapter 1 Virtualization History and Definitions 1
Data Center Essential Definitions 2
Data Center Evolution 3
Operational Areas and Data Center Architecture 5
The Origins of Data Center Virtualization 8
Virtual Memory 8
Mainframe Virtualization 10
Hot Standby Router Protocol 11
Defining Virtualization 12
Data Center Virtualization Timeline 12
Classifying Virtualization Technologies 14
A Virtualization Taxonomy 15
Virtualization Scalability 17
Technology Areas 18
Classification Examples 21
Further Reading 22
Part II Virtualization in Network Technologies
Chapter 2 Data Center Network Evolution 25
Ethernet Protocol: Then and Now 26
Ethernet Media 27
Coaxial Cable 27
Optical Fiber 30
Direct-Attach Twinaxial Cables 32
Ethernet Data Rate Timeline 33
Data Center Network Topologies 34
Data Center Network Layers 35
Design Factors for Data Center Networks 36
Physical Network Layout Considerations 39
The ANSI/TIA-942 Standard 40
Network Virtualization Benefits 42
Network Logical Partitioning 4