SRv6 network programming : ushering in a new era of IP networks

SRv6 network programming ushering in a new era of IP networks

"SRv6 Network Programming, beginning with the challenges for Internet Protocol version 6 (IPv6) network development, describes the background, design roadmap, and implementation of Segment Routing over IPv6 (SRv6), as well as the application of this technology in traditional and emerging servic...

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Detalles Bibliográficos
Otros Autores: Li, Zhenbin (Telecommunications engineer), author (author), Hu, Zhibo, author, Li, Cheng (Telecommunications engineer), author
Formato: Libro electrónico
Idioma:Inglés
Publicado: Boca Raton : CRC Press 2021.
Edición:First edition
Colección:Data Communication
Materias:
Self-routing (Computer network management) > Technological innovations.
TCP/IP (Computer network protocol)
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009869131006719
Tabla de Contenidos:
  • Cover
  • Half Title
  • Series Page
  • Title Page
  • Copyright Page
  • Table of Contents
  • Foreword I
  • Foreword II
  • Preface
  • Teams
  • Acknowledgments
  • Author
  • Part I: Introduction
  • Chapter 1 ◾ SRv6 Background
  • 1.1 OVERVIEW OF INTERNET DEVELOPMENT
  • 1.2 START OF ALL IP 1.0: A COMPLETE VICTORY FOR IP
  • 1.2.1 Competition between ATM and IP
  • 1.2.2 MPLS: The Key to All IP 1.0
  • 1.3 CHALLENGES FACING ALL IP 1.0: IP/MPLS DILEMMA
  • 1.3.1 MPLS Dilemma
  • 1.3.2 IPv4 Dilemma
  • 1.3.3 Challenges for IPv6
  • 1.4 OPPORTUNITIES FOR ALL IP 1.0: SDN AND NETWORK PROGRAMMING
  • 1.4.1 OpenFlow
  • 1.4.2 POF
  • 1.4.3 P4
  • 1.4.4 SR
  • 1.5 KEY TO ALL IP 2.0: SRv6
  • 1.6 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Part II: SRv6 1.0
  • Chapter 2 ◾ SRv6 Fundamentals
  • 2.1 SRv6 OVERVIEW
  • 2.2 NETWORK INSTRUCTIONS: SRv6 SEGMENTS
  • 2.3 NETWORK NODES: SRv6 NODES
  • 2.3.1 SRv6 Source Node
  • 2.3.2 Transit Node
  • 2.3.3 Endpoint Node
  • 2.4 NETWORK PROGRAM: SRv6 EXTENSION HEADER
  • 2.4.1 SRv6 Extension Header Design
  • 2.4.2 SRH TLVs
  • 2.4.2.1 Padding TLV
  • 2.4.2.2 HMAC TLV
  • 2.4.3 SRv6 Instruction Set: Endpoint Node Behaviors
  • 2.4.3.1 End SID
  • 2.4.3.2 End.X SID
  • 2.4.3.3 End.T SID
  • 2.4.3.4 End.DX6 SID
  • 2.4.3.5 End.DX4 SID
  • 2.4.3.6 End.DT6 SID
  • 2.4.3.7 End.DT4 SID
  • 2.4.3.8 End.DT46 SID
  • 2.4.3.9 End.DX2 SID
  • 2.4.3.10 End.DX2V SID
  • 2.4.3.11 End.DT2U SID
  • 2.4.3.12 End.DT2M SID
  • 2.4.3.13 End.B6.Insert SID
  • 2.4.3.14 End.B6.Encaps SID
  • 2.4.3.15 End.BM SID
  • 2.4.4 SRv6 Instruction Set: Source Node Behaviors
  • 2.4.4.1 H.Insert
  • 2.4.4.2 H.Encaps
  • 2.4.4.3 H.Encaps.L2
  • 2.4.5 SRv6 Instruction Set: Flavors
  • 2.4.5.1 PSP
  • 2.4.5.2 USP
  • 2.4.5.3 USD
  • 2.5 NETWORK PROGRAM EXECUTION: SRv6 PACKET FORWARDING
  • 2.5.1 Local SID Table
  • 2.5.2 Packet Forwarding Process
  • 2.5.2.1 Step 1: Processing on SRv6 Source Node A.
  • 2.5.2.2 Step 2: Processing on Endpoint Node B
  • 2.5.2.3 Step 3: Processing on Transit Node C
  • 2.5.2.4 Step 4: Processing on Endpoint Node D
  • 2.5.2.5 Step 5: Processing on Transit Node E
  • 2.5.2.6 Step 6: Processing on Endpoint Node F
  • 2.6 ADVANTAGES OF SRv6 NETWORK PROGRAMMING
  • 2.6.1 Superior Backward Compatibility and Smooth Evolution
  • 2.6.2 High Scalability and Simple Deployment in Cross-Domain Scenarios
  • 2.6.3 Networking Programming for Building Intelligent Networks
  • 2.6.4 All Things Connected through an E2E Network
  • 2.7 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 3 ◾ Basic Protocols for SRv6
  • 3.1 IS-IS EXTENSIONS
  • 3.1.1 IS-IS SRv6 Fundamentals
  • 3.1.2 IS-IS Extensions for SRv6
  • 3.1.2.1 SRv6 Capabilities Sub-TLV
  • 3.1.2.2 Node MSD Sub-TLV
  • 3.1.2.3 SRv6 Locator TLV
  • 3.1.2.4 SRv6 End SID Sub-TLV
  • 3.1.2.5 SRv6 End.X SID Sub-TLV
  • 3.1.2.6 SRv6 LAN End.X SID Sub-TLV
  • 3.1.2.7 SRv6 SID Structure Sub-Sub-TLV
  • 3.2 OSPFv3 EXTENSIONS
  • 3.2.1 OSPFv3 SRv6 Fundamentals
  • 3.2.2 OSPFv3 Extensions for SR v6
  • 3.2.2.1 SRv6 Capabilities TLV
  • 3.2.2.2 SR Algorithm TLV
  • 3.2.2.3 Node MSD TLV
  • 3.2.2.4 OSPFv3 SRv6 Locator LSA
  • 3.2.2.5 SRv6 Locator TLV
  • 3.2.2.6 SRv6 End SID Sub-TLV
  • 3.2.2.7 SRv6 End.X SID Sub-TLV
  • 3.2.2.8 SRv6 LAN End.X SID Sub-TLV
  • 3.2.2.9 Link MSD Sub-TLV
  • 3.2.2.10 SRv6 SID Structure Sub-Sub-TLV
  • 3.3 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 4 ◾ SRv6 TE
  • 4.1 SR-TE ARCHITECTURE
  • 4.1.1 Traditional MPLS TE Architecture
  • 4.1.2 Centralized SR-TE Architecture
  • 4.2 BGP-LS FOR SRv6
  • 4.2.1 BGP-LS Overview
  • 4.2.2 BGP-LS Extensions for SRv6
  • 4.2.2.1 SRv6 SID NLRI
  • 4.2.2.2 SRv6 SID Information TLV
  • 4.2.2.3 SRv6 Endpoint Function TLV
  • 4.2.2.4 SRv6 BGP Peer Node SID TLV
  • 4.2.2.5 SRv6 SID Structure TLV
  • 4.2.2.6 SRv6 Capabilities TLV
  • 4.2.2.7 SRv6 Node MSD Types.
  • 4.2.2.8 SRv6 End.X SID TLV
  • 4.2.2.9 SRv6 LAN End.X SID TLV
  • 4.2.2.10 SRv6 Locator TLV
  • 4.3 PCEP FOR SRv6
  • 4.3.1 PCE Overview
  • 4.3.2 Stateful PCE
  • 4.3.3 PCEP Extensions for SRv6
  • 4.3.3.1 SRv6 PATH-SETUP-TYPE
  • 4.3.3.2 SRv6 PCE Capability Sub-TLV
  • 4.3.3.3 SRv6-ERO Subobject
  • 4.3.3.4 SRv6-RRO Subobject
  • 4.4 SRv6 POLICY
  • 4.4.1 SRv6 Policy Model
  • 4.4.1.1 Keys
  • 4.4.1.2 Candidate Paths
  • 4.4.1.3 Segment Lists
  • 4.4.2 SRv6 Policy Path Computation
  • 4.4.2.1 Manual Configuration
  • 4.4.2.2 Headend Computation
  • 4.4.2.3 Centralized Computation
  • 4.4.3 Traffic Steering into an SRv6 Policy
  • 4.4.3.1 Binding SID-Based Traffic Steering
  • 4.4.3.2 Color-Based Traffic Steering
  • 4.4.3.3 DSCP-Based Traffic Steering
  • 4.4.4 Data Forwarding over an SRv6 Policy
  • 4.4.5 SRv6 Policy Fault Detection
  • 4.4.5.1 SBFD for SRv6 Policy
  • 4.4.5.2 Headend-Based Fault Detection
  • 4.4.6 SRv6 Policy Switchover
  • 4.5 BGP SRv6 POLICY
  • 4.5.1 SRv6 Policy SAFI and NLRI
  • 4.5.2 SR Policy and Tunnel Encaps Attribute
  • 4.5.3 Binding SID Sub-TLV
  • 4.5.4 Preference Sub-TL V
  • 4.5.5 Segment List Sub-TLV
  • 4.5.6 Weight Sub-TLV
  • 4.5.7 Segment Sub-TLV
  • 4.5.8 Policy Priority Sub-TLV
  • 4.5.9 Policy Name Sub-TLV
  • 4.6 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 5 ◾ SRv6 VPN
  • 5.1 VPN OVERVIEW
  • 5.1.1 Basic VPN Model
  • 5.1.2 VPN Service Types
  • 5.1.2.1 L3VPN
  • 5.1.2.2 L2VPN and EVPN
  • 5.2 SRv6 VPN PROTOCOL EXTENSIONS
  • 5.2.1 SRv6 Services TLV
  • 5.2.2 SRv6 SID Information Sub-TLV
  • 5.2.3 SRv6 SID Structure Sub-Sub-TLV
  • 5.3 SRv6 L3VPN
  • 5.3.1 Principles of L3VPN over SRv6 BE
  • 5.3.1.1 Workflow of L3VPN over SRv6 BE in the Control Plane
  • 5.3.1.2 Workflow of L3VPN over SRv6 BE in the Forwarding Plane
  • 5.3.2 Principles of L3VPN over SRv6 TE
  • 5.3.2.1 Workflow of L3VPN over SRv6 Policy in the Control Plane.
  • 5.3.2.2 Workflow of L3VPN over SRv6 Policy in the Forwarding Plane
  • 5.4 SRv6 EVPN
  • 5.4.1 Principles of EVPN E-LAN over SRv6
  • 5.4.1.1 MAC Address Learning and Unicast Forwarding
  • 5.4.1.2 Replication List Establishment and BUM Traffic Forwarding
  • 5.4.2 Principles of EVPN E-Line over SRv6
  • 5.4.3 Principles of EVPN L3VPN over SRv6
  • 5.4.4 SRv6 EVPN Protocol Extensions
  • 5.4.4.1 Ethernet A-D Route
  • 5.4.4.2 MAC/IP Advertisement Route
  • 5.4.4.3 IMET Route
  • 5.4.4.4 ES Route
  • 5.4.4.5 IP Prefix Route
  • 5.5 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 6 ◾ SRv6 Reliability
  • 6.1 IP FRR AND E2E PROTECTION
  • 6.1.1 TI-LFA Protection
  • 6.1.1.1 LFA
  • 6.1.1.2 RLFA
  • 6.1.1.3 TI-LFA
  • 6.1.2 SRv6 Midpoint Protection
  • 6.1.3 Egress Protection
  • 6.1.3.1 Anycast FRR
  • 6.1.3.2 Mirror Protection
  • 6.2 MICROLOOP AVOIDANCE
  • 6.2.1 Microloop Cause
  • 6.2.2 SRv6 Local Microloop Avoidance in a Traffic Switchover Scenario
  • 6.2.3 SRv6 Microloop Avoidance in a Traffic Switchback Scenario
  • 6.2.4 SRv6 Remote Microloop Avoidance in a Traffic Switchover Scenario
  • 6.3 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 7 ◾ SRv6 Network Evolution
  • 7.1 CHALLENGES FACED BY SRv6 NETWORK EVOLUTION
  • 7.1.1 Network Upgrade to Support IPv6
  • 7.1.2 SRv6 Compatibility with Legacy Devices
  • 7.1.3 Security Challenges Faced by SRv6
  • 7.2 INCREMENTAL DEPLOYMENT FOR SRv6 NETWORKS
  • 7.2.1 SRv6 Evolution Paths
  • 7.2.2 SRv6 Deployment Process
  • 7.2.3 SRv6 Evolution Practices
  • 7.2.3.1 SRv6 Deployment Practice of China Telecom
  • 7.2.3.2 SRv6 Deployment Practice of China Unicom
  • 7.3 SRv6 COMPATIBILITY WITH LEGACY DEVICES
  • 7.3.1 Using Binding SIDs to Reduce the Depth of the SRv6 SID Stack
  • 7.3.2 Applying FlowSpec to SRv6
  • 7.4 SRv6 NETWORK SECURITY
  • 7.4.1 IPv6 Security Measures
  • 7.4.2 Security Measures for Source Routing.
  • 7.4.3 SRv6 Security Solution
  • 7.5 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Chapter 8 ◾ SRv6 Network Deployment
  • 8.1 SRv6 SOLUTION
  • 8.1.1 Single-AS Network
  • 8.1.1.1 IP Backbone Network
  • 8.1.1.2 Metro Network
  • 8.1.1.3 Mobile Transport Network
  • 8.1.1.4 Data Center Network
  • 8.1.2 E2E Network
  • 8.1.2.1 Inter-AS VPN
  • 8.1.2.2 Carrier's Carrier
  • 8.2 IPv6 ADDRESS PLANNING
  • 8.2.1 Principles for IPv6 Address Planning
  • 8.2.2 IPv6 Address Allocation Methods
  • 8.2.3 Hierarchical IPv6 Address Allocation
  • 8.3 SRv6 NETWORK DESIGN
  • 8.3.1 Basic SRv6 Configuration
  • 8.3.2 IGP Design
  • 8.3.3 BGP Design
  • 8.3.4 SRv6 BE Design
  • 8.3.4.1 Locator Route Advertisement
  • 8.3.4.2 IS-IS Route Import and Aggregation
  • 8.3.4.3 SRv6 BE TI-LFA Protection
  • 8.3.5 SRv6 TE Design
  • 8.3.5.1 SRv6 Policy
  • 8.3.5.2 BGP-LS and BGP SRv6 Policy
  • 8.3.5.3 SRv6 Policy Path Computation
  • 8.3.5.4 SRv6 Policy Reliability
  • 8.3.6 VPN Service Design
  • 8.3.6.1 SRv6 EVPN L3VPN
  • 8.3.6.2 SRv6 EVPN E-Line
  • 8.3.6.3 EVPN SRv6 Policy
  • 8.4 EVOLUTION FROM MPLS TO SRv6
  • 8.5 STORIES BEHIND SRv6 DESIGN
  • REFERENCES
  • Part III: SRv6 2.0
  • Chapter 9 ◾ SRv6 OAM and On-Path Network Telemetry
  • 9.1 SRv6 OAM
  • 9.1.1 OAM Overview
  • 9.1.2 SRv6 FM
  • 9.1.2.1 Classic IP Ping
  • 9.1.2.2 SRv6 SID Ping
  • 9.1.2.3 Classic Traceroute
  • 9.1.2.4 SRv6 SID Traceroute
  • 9.1.3 SRv6 PM
  • 9.1.3.1 TWAMP Fundamentals
  • 9.1.3.2 TWAMP-Based Active SRv6 PM
  • 9.1.3.3 Coloring-Based Hybrid SRv6 PM
  • 9.2 ON-PATH NETWORK TELEMETRY
  • 9.2.1 On-Path Network Telemetry Overview
  • 9.2.2 On-Path Network Telemetry Modes
  • 9.2.3 IFIT Architecture and Functions
  • 9.2.3.1 Smart Traffic Selection
  • 9.2.3.2 Efficient Data Sending
  • 9.2.3.3 Dynamic Network Probe
  • 9.2.4 IFIT Encapsulation Mo de
  • 9.2.5 IFIT for SRv6
  • 9.2.5.1 Passport Mode
  • 9.2.5.2 Postcard Mode.
  • 9.2.5.3 SRv6 IFIT Encapsulation.

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