Network function virtualization
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 practica...
| Otros Autores: | , |
|---|---|
| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Cambridge, Massachusetts :
Morgan Kaufmann
2016.
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| Edición: | 1st edition |
| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009630243106719 |
Tabla de Contenidos:
- 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.
