Network Function Virtualization

 
 
Morgan Kaufmann (Verlag)
  • 1. Auflage
  • |
  • erschienen am 4. Juli 2016
  • |
  • 270 Seiten
 
E-Book | ePUB mit Adobe DRM | Systemvoraussetzungen
E-Book | PDF mit Adobe DRM | Systemvoraussetzungen
978-0-12-802343-3 (ISBN)
 

Network Function Virtualization provides an architectural, vendor-neutral level overview of the issues surrounding the large levels of data storage and transmission requirements needed for today's companies, also enumerating the benefits of NFV for the enterprise.

Drawing upon years of practical experience, and using numerous examples and an easy-to-understand framework, authors Tom Nadeau and Ken Gary discuss the relevancy of NFV and how it can be effectively used to create and deploy new services. Readers will learn how to determine if network function virtualization is right for their enterprise network, be able to use hands-on, step-by-step guides to design, deploy, and manage NFV in an enterprise, and learn how to evaluate all relevant NFV standards, including ETSI, IETF, Openstack, and Open Daylight.


  • Provides a comprehensive overview of Network Function Virtualization (NFV)
  • Discusses how to determine if network function virtualization is right for an enterprise network
  • Presents an ideal reference for those interested in NFV Network Service Chaining, NSC network address translation (NAT), firewalling, intrusion detection, domain name service (DNS), caching, and software defined networks
  • Includes hands-on, step-by-step guides for designing, deploying, and managing NFV in the enterprise
  • Explains, and contrasts, all relevant NFV standards, including ETSI, IETF, Openstack, and Open Daylight


Ken Gray is currently a Senior Director, Architecture, Cisco Systems. Previously he was a Director at Juniper Networks responsible for technical strategy and innovation for Juniper Network's Platform Systems Division, with a particular focus on core routing and the evolving area of Software Defined (Driven) Networks. From 1995-2011 Ken worked at Cisco Systems from 1995-2011 Ken worked at Cisco in a variety of roles, ultimately as a Principal Engineer working on the development and deployment of high-end routing platforms and operating systems. From 1984 to 1995, Ken was a network geek responsible for designing large public and private networks at a company that ultimately became Verizon. Ken is the co-author of SDN: Software Defined Networks (O'Reilly 2013)
  • Englisch
  • Saint Louis
  • |
  • USA
Elsevier Science
  • 10,70 MB
978-0-12-802343-3 (9780128023433)
0128023430 (0128023430)
weitere Ausgaben werden ermittelt
  • Front Cover
  • Network Function Virtualization
  • Copyright Page
  • Contents
  • Foreword by Dave Ward
  • Foreword by Chris Wright
  • Preface
  • Assumptions
  • What Is in This Book?
  • Conventions Used in This Book
  • Using Code Examples
  • Comments and Questions
  • Acknowledgments
  • Acknowledgments from Ken Gray
  • Acknowledgments from Thomas D. Nadeau
  • Introduction
  • End Note
  • 1 Network Function Virtualization
  • Introduction
  • Background
  • Redrawing NFV and Missing Pieces
  • Defining NFV
  • Is NFV SDN?
  • NFV Is The Base Case
  • Strengthening "NFV as SDN Use Case"
  • Improving Virtualization
  • Data Plane I/O and COTS Evolution
  • Standardizing an NFV Architecture
  • The Marketplace Grew Anyway
  • Academic Studies Are Still Relevant
  • NFV at ETSI
  • NFV-Why Should I Care?
  • Enabling a New Consumption Model
  • Conclusions
  • End Notes
  • 2 Service Creation and Service Function Chaining
  • Introduction
  • Definitions
  • The Service Creation Problem
  • A Quick History
  • Tightly integrated service solutions
  • Loosely coupled-toward NFV/SFC
  • Virtual Service Creation and SFC
  • Varying Approaches to Decomposition
  • Metadata
  • What Can You Do with SFC?
  • Logical Limits
  • The speed of light
  • Granularity and extra vSwitch or network transitions
  • Standardization above the network layer
  • The capabilities of old stuff-The "brownfield" of dreams
  • Common sense
  • NFV Without SFC
  • Conclusion
  • End Notes
  • 3 ETSI NFV ISG
  • Introduction
  • Getting Chartered
  • European Telecommunications Institute
  • NFV at ETSI
  • Organization
  • Impact on 3GPP
  • Digesting ETSI Output
  • Output
  • Terminology
  • Architecture-General
  • Architecture-Big Blocks and Reference Points
  • Use Cases
  • Virtualization Requirements
  • Gap Analysis
  • PoC Observations
  • A Look Back-White Paper 3
  • Future Directions
  • Open Platform for NFV
  • Repatriation/ISG2.0 (and 3.0)
  • Conclusion
  • End Notes
  • 4 IETF Related Standards: NETMOD, NETCONF, SFC and SPRING
  • Introduction
  • Service Function Chaining
  • Problem Statement
  • SFC Architecture
  • NSH Header
  • The Lookup
  • Worked example
  • Using metadata to enhance reliability
  • Source Packet Routing in Networking
  • A Demonstration
  • Next for SRv6
  • Network Modeling
  • The Yang Data Modeling Language
  • The NETCONF Protocol
  • Operations
  • Message Layer
  • Secure Transports
  • The RESTCONF Protocol
  • The Public Github Yang Repository
  • Conclusions
  • Appendix A
  • Example of Yang model usage
  • End Notes
  • 5 The NFV Infrastructure Management
  • Introduction
  • NFV Virtual Infrastructure Management (VIM)
  • OpenStack
  • Stretching OpenStack
  • To fork or not fork open source distributions
  • Network Controllers
  • Controller Architecture
  • OpenDaylight
  • ODL and OpenStack Collaboration
  • Open Network Operating System (ONOS)
  • PaaS, NFV, and OpenStack
  • OpenStack Cue
  • The Impact of PaaS on NFV
  • Conclusions
  • End Notes
  • 6 MANO: Management, Orchestration, OSS, and Service Assurance
  • Introduction
  • The VNF Domain
  • The OSS/BSS Block
  • Reimagining the OSS (and BSS)-Brownfield Partnership
  • Reimagining the OSS-Opportunities in SA
  • Interpretations from the Architectural Diagram Reference Points
  • NFV Orchestration (General)
  • Service Graphs
  • Network Service Descriptors and MANO Descriptors
  • The Network Service Catalog
  • Generic Resource and Policy Management for Network Services
  • The VNFM Demarcation Point
  • Open Orchestration
  • Tacker
  • Tacker VNF catalog
  • Tacker VNFM
  • VNF auto-configuration
  • VNF monitoring
  • TOSCA templates and parser
  • Tacker and service function chaining
  • Tacker integration with Open Daylight
  • Tacker workflow
  • Open-O
  • Open MANO
  • OpenBaton
  • Architecture on Steroids
  • Conclusions
  • End Notes
  • 7 The Virtualization Layer-Performance, Packaging, and NFV
  • Introduction
  • Evolving Virtualization Techniques
  • The VM-Centric Model
  • Containers-Do We Need Hypervisors?
  • Unikernels
  • Hybrid Virtualization
  • Security Trade-offs
  • Securing Linux
  • Not sharing
  • Security-The Lowest Common Denominator
  • Current Packet Handling
  • Application Processing
  • Background-Context Switch/Data Copy Reduction
  • Background-Scalar Versus Vectorization
  • Ongoing-Intel Advancements (and Academic Work)
  • Netmap and vhost-User
  • Software packet handling bottom line
  • Turnkey Optimization (Is There an EASY Button?)
  • fd.io (None of the Above?)
  • Conclusions
  • End Notes
  • 8 NFV Infrastructure-Hardware Evolution and Testing
  • Introduction
  • Evolving Hardware
  • CPU Complex
  • Memory access-cache is king
  • PCIe-linking peripherals to the CPU
  • Extending the System
  • Network interface cards
  • Heterogeneous cores
  • Field Programmable Gate Array
  • Graphics processing unit
  • Heterogeneous compute challenges
  • ARM
  • Performance Measurement
  • Measuring Performance
  • Power Efficiency
  • Conclusion
  • End Notes
  • 9 An NFV Future
  • Introduction
  • What Is NFV (Restated)?
  • The Current NFV Model
  • The Cost of NFV
  • A First Order Change
  • The Role of Standards and Open Systems
  • Consumer Behavior
  • Changing Your Spots
  • Parting Thoughts
  • End Notes
  • Index
  • Back Cover

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