MPLS and Next-Generation Networks
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MPLS and Next-Generation Networks : Foundations for NGN and Enterprise Virtualization

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Understand the business case for deploying MPLS-based services and solutions * Provides network managers and architects a precise MPLS primer * Defines MPLS service problems and their associated solutions * Includes ROI models for MPLS-based solutions * Discusses pros and cons of various options for each MPLS service Network managers often question the value that MPLS brings to their business environment. This book provides them with a precise guide for evaluating the benefits of MPLS-based applications and solutions. The book guides the network manager through the business case for MPLS by exploring other technology alternatives, including their applications, benefits, and deficiencies. Understanding the service creation process as the basis for MPLS-based solutions is pivotal when describing the benefits that MPLS offers. Furthermore, the book explores MPLS technology and its components, providing an overview of the architecture necessary to reap the true advantages that MPLS brings to a service provider or enterprise network. These advantages include new revenue opportunities and a total cost of ownership reduction that positively impacts a company's bottom-line. ROI models and case study examples further confirm the business impact and help decision-makers create a blueprint for MPLS service creation. Specific aspects such as security, network management, advanced services and the future of the technology complete the book, helping decision makers assess MPLS as a candidate for implementation. In short, you can use this comprehensive guide to understand and build a business case for the inclusion of MPLS in your network.show more

Product details

  • Paperback | 422 pages
  • 178 x 228 x 24mm | 680.39g
  • Pearson Education (US)
  • Cisco Press
  • Indianapolis, United States
  • English
  • 1587201208
  • 9781587201202
  • 1,851,921

Back cover copy

Understand the business case for deploying MPLS-based services and solutions Provides network managers and architects a precise MPLS primer Defines MPLS service problems and their associated solutions Includes ROI models for MPLS-based solutions Discusses pros and cons of various options for each MPLS service Network managers often question the value that MPLS brings to their business environment. This book provides them with a precise guide for evaluating the benefits of MPLS-based applications and solutions. The book guides the network manager through the business case for MPLS by exploring other technology alternatives, including their applications, benefits, and deficiencies. Understanding the service creation process as the basis for MPLS-based solutions is pivotal when describing the benefits that MPLS offers. Furthermore, the book explores MPLS technology and its components, providing an overview of the architecture necessary to reap the true advantages that MPLS brings to a service provider or enterprise network. These advantages include new revenue opportunities and a total cost of ownership reduction that positively impacts a company's bottom-line. ROI models and case study examples further confirm the business impact and help decision-makers create a blueprint for MPLS service creation. Specific aspects such as security, network management, advanced services and the future of the technology complete the book, helping decision makers assess MPLS as a candidate for implementation. In short, you can use this comprehensive guide to understand and build a business case for the inclusion of MPLS in your network.show more

About Azhar Sayeed

Monique Jeanne Morrow is currently a Distinguished Consulting Engineer at CiscoSystems, Inc. She has more than 20 years experience in IP internetworking that includesdesign, implementation of complex customer projects, and service development for serviceproviders. Monique has been involved in developing managed network services, such asremote access and LAN switching in a service provider environment. Monique has workedfor both enterprise and service provider companies in the U.S. and in Europe. In 1999,Monique led the engineering project team for one of the first MPLS-VPN deployments fora European service provider. Monique has presented in various conferences on the topic of MPLS. Additionally, Monique is coauthor of the book Designing IP-Based Services: Solutions for Vendors and Service Providers Monique is also the coauthor of MPLS VPN Security andMPLS forDecision Makers She is working on a book that presents enterprise drivers and concerns for IP-based service delivery. Monique is active in both the IETF and ITU-T SG 13 with a focus on OAM. She has a master's of science degree in telecommunications management and an MBA. Additionally, Monique is vice chair of IPsphere Forum. Monique is currently engaged in MPLS OAM standards development and has been engaged in international carrier discussions on the topic. Monique was a co-guest editor of a special issue of the IEEE Communications Magazine on the subject of "OAM in MPLSBasedNetworks," which was published in October 2004. She was also a guest editor of aspecial issue of theIEEE Communications Magazine on the subject of "Challenges inEnabling Inter-Provider Service Quality on the Internet," published in June 2005 and on thesubject of, "GMPLS: The Promise of the Next Generation Optical Control Plane,"published in July 2005. Finally, Monique is working on NGN for service providers andGRID technology. Azhar Sayeed is currently the director of product management for the Cisco NetworkSoftware and Systems Group. He has more than 16 years of networking andcommunications industry experience. Azhar is currently responsible for productmanagement and roll out of MPLS, Layer 2 and Layer 3 VPNs, broadband technologies IProuting, and Qo) features in Cisco IOS software. Cisco IOS software is the network systemsoftware that powers the majority of Cisco hardware platforms.Prior to joining Cisco in 1998, Azhar worked for Cabletron Systems as aproduct line manager for the ATM group. He designed and implemented productdevelopment strategies and brought products to market. He has held additionalindustry positions including that of an ATM aviator with Digital EquipmentCorporation where he supported presale operations of the High PerformanceNetworks group for Digital.Azhar started his career as a field engineer, installing X.25 and Frame Relaygear for large service provider and enterprise networks. Since then, he has beeninvolved with ATM and MPLS in DEC, Cabletron, and Cisco.Azhar has published several research papers from his master's thesis anddozens of magazine articles on MPLS and QoS. He has been invited to speak atseveral conferences, such as MPLS 2002 through MPLS 2005. He has also spokenat MPLS Con 2002, Broadband Year, Comdex, N+I, Supercomm, APRICOT,MPLS World Congress, and so on.Azhar's interests include network protocols and wireless and broadbandtechnologies. Azhar holds a bachelor's degree in electronics and communicationsand a master's degree in electrical engineering. He is also a member of IEEE andIEEE communications society.show more

Table of contents

Contents Introduction Part I The Business Case for MPLS Chapter 1 Dynamics of Service Creation and Deployment Industry Dynamics and Challenges What About the Enterprise Market? Service Provider Business Engineering Business Drivers and Requirements Enterprise Customers Enterprise Motivations for Migrating to Layer 3 Services Service Providers and Enterprise: The Battle of Outsourcing Versus Do-It-Yourself Do-It-Yourself Enterprise Segmentation Central Services with an Enterprise Campus Subscribing to a Managed Layer 3 MPLS VPN Service The Case for Building VPNs-Layer 2 or Layer 3 Existing Technologies-Frame Relay, ATM, and IP-Based Networks: What Can They Solve? Frame Relay Asynchronous Transfer Mode The Internet Protocol Service Examples Summary Chapter 2 The Scope of Service Types Overview of Layer 2 Services Ethernet Services Next-Generation Network Overview and Interworking Functions Layer 3 Services Remote Access Value-Added Services Summary Part 2 The Technical Case for MPLS Chapter 3 Technology Overview: Making the Technology case for MPLS and Technology Details Available Technologies and Options Why MPLS? (High-Level Detail) MPLS and Quality of Service Differentiating Service with Traffic Engineering Multicast Benefits MPLS Technology Details Layer 3 VPNs Peer-to-Peer Model VRF and Its Function MPLS Label Stack Role Topologies Carrier Supporting Carrier and Inter-Provider Autonomous Systems Traffic Engineering DiffServ Layer 2 VPNs Summary Part 3 MPLS Services and Components Chapter 4 Layer 2 VPNs Taxonomy Introducing AToM Pseudowire Systems Architecture Packet Forwarding Layer 2 Transport Types (Like-to-Like) Ethernet Service Link Layer Service Frame Relay Service ATM Service117 Configuration of Pseudowires Layer 2 Interworking Interworking Modes Interworking Models and Applications Virtual Private LAN Service Considerations for VPLS Provisioning and Signaling LDP Signaling BGP Signaling Benefits of L2VPNs Inter-AS L2VPNs Supported IETF Standards Summary Standards and References Part 4 Layer 3 VPNs1 Chapter 5 Technology Overview Separation of Routing Information Between VPNs Constrained Distribution of Routing Information Forwarding Packets Through the Network Core Packet Flow Through the Network Corporate Intranet Corporate Extranet Internet Access Dedicated per-VPN Internet Access Shared PE-Internet and VPN Dedicated PE-Shared Backbone Managed Central Service-Shared Internet Access Scaling MPLS VPNs to Multi-AS, Multi-Provider, and Hierarchical Networks Inter-AS VPNs Carrier Supporting Carrier Heterogeneous Networks Managed Central Services Making Applications and Services VRF-Aware VRF-Aware Address Management Supported IETF Drafts Summary Standards and References: Chapter 6 Remote Access and IPSec Integration with MPLS VPNs Technology Overview Dial Access Individual Access CE Dial Backup Access Dial-Out Access DSL Access Routed Encapsulation Bridged Encapsulation Cable Access PE-CE Routing Protocols Scalability and Network Convergence for Remote Access Summary Chapter 7 MPLS Security Security and NGN Security Overview and MPLS MPLS VPN and Security Attack Scenarios Internet/Extranet and MPLS Security IPSec MPLS VPN (BGP VPN) Security Issues and Options Layer 2 and Unmanaged VPN Service Considerations Design Option Examples Carrier's Carrier Network and Inter-Autonomous Considerations Customer Edge Router Security Considerations Overall Best Practice Recommendations Summary Standards and References Chapter 8 Traffic Engineering Problem Statement Technology Overview IGP Extensions and Distribution of Constraints Signaling of TE Tunnels Forwarding Packets Through the Network Core Sequence of Operation TE Tunnel Maintenance TE Applications and Examples Intra-Area TE Inter-Autonomous System TE Quality of Service and TE Traffic Handling of Delay-Sensitive Traffic Protection and Restoration Link Protection Node Protection Path Protection Usage Scenarios Scalability of Protection Mechanisms Scaling MPLS TE MPLS Traffic Engineering and Multicast Standards and References Summary Chapter 9 Quality of Service Problem Statement IP QoS QoS Building Blocks IntServ DiffServ Packet Handling The Hybrid Model MPLS QoS MPLS DiffServ Traffic Engineering and DiffServ DiffServ-Aware Traffic Engineering MPLS QoS Service Examples Point-to-Cloud Model Olympic Service Model Traffic-Engineered Voice Model Virtual Leased Line On-Demand QoS MPLS and IntServ Traffic Flows to MPLS DiffServ Mapping Tunnel-Based Admission Control Standards and References Summary Chapter 10 Mutlicasts and NGNs Problem Statement MPLS Multicast VPN Overview Multicast VPN Operational Details MPLS Multicast VPN Applications and Examples Multicast Security and Management Considerations Standards and References Summary Chapter 11 IPv6 and MPLS Problem Statement Technology Overview IPv6 PE Multiprotocol BGP Extensions Packet Path IPv6 VPNs (6VPE) Route Tagging Virtual Routing and Forwading with IPv6 Packet Path The Coexistence of IPv4 L3VPN and IPv6 L3VPN IPv6 Network Core Inter-AS Networks for 6PE and v6VPNs IPv6 QoS MPLS QoS for IPv6 Management and IPv6 Summary Part 4 Bringing Your MPLS Plan Together Chapter 12 Network Management and Provisioning Problem Statement Fault Management, Configuration Management, Accounting Management, Performance Management, and Security Management MPLS OAM VRF-Aware ICMP Ping and LSP Ping/Trace Mechanisms Dealing with Equal Cost Multipaths Noncompliant Routers LSR Self-Test Virtual Circuit Connection Verification and Bidirectional Forwarding Detection A Word About Interworking OAM Any to Any Local Switching Encapsulation Types and Modes ATM over MPLS ATM N:1 Mode ATM 1:1 Mode AAL5 SDU Mode AAL5 PDU Mode Frame Relay over MPLS Generic Failure Types Interface Failure Pseudowire Failures Tunnel LSP Failures Configuration Management for MPLS-Based Networks Accounting for MPLS-Based Networks Performance Management for MPLS-Based Networks Security Management for MPLS-Based Networks Per-VPN Management IP Addressing VRF-Aware Network Address Translation Supported MIBs Standards and References Summary Chapter 13 Design Considerations: Putting it All Together VRF-Aware Feature IP Addressing: VRF-Aware DHCP DHCP Deployment Examples Deployment Guideline Summary VRF-Aware Network Address Translation NAT-PE System Flow Inside-to-Outside Packet Flow Outside-to-Inside Packet Flow Deployment Guideline Summary Management, Provisioning, and Troubleshooting Equipment Scalability Versus Network Scalability Network Element Characteristics Network Parameters Network-Wide Scale Management and Scalability Layer 2 VPNs-What to Expect Same Grade of Service Planning and Sizing Density Management Summary Chapter 14 MPLS Case Studies The Background on Equant Equant Business Drivers Equant Services VPN Bridge Case Study Background Customer Issues/Objectives The Account Team's Keys to Success Case Study Conclusion Summary Chapter 15 The Future of MPLS Integrating IP and Optical Networks (Transport Area) How Does it Work? Bandwidth On-Demand Service Challenges Faced with G-MPLS and UCP Future Layer 3 Services Label-Switched Multicast Dynamic Encrypted VPNs Content-Based Services Adaptive Networks for Integration of Voice and Video Security Enhancements Future Layer 2 Services ATM-MPLS Interworking Layer 2 VPNs Across Multiple Provider Networks VPLS Service Across a Non-Ethernet Last Mile Future Enhancements in Provisioning and Management Adaptive Self-Healing Networks Increasing Enterprise Deployment of MPLS Summary So, What Is the Future of MPLS? A View from George Swallow A View from Adrian Farrell Indexshow more

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