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Building Switched Networks : Multilayer Switching, QoS, IP Multicast, Network Policy, and Service Level Agreements - Darryl P. Black

Building Switched Networks

Multilayer Switching, QoS, IP Multicast, Network Policy, and Service Level Agreements

Paperback Published: 4th February 1999
ISBN: 9780201379532
Number Of Pages: 320

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Building Switched Networks provides a comprehensive, technical survey of the networking technologies that comprise the core of evolving LAN and WAN infrastructures. This book gives you essential background information, clear descriptions of relevant technologies, and an understanding of how those technologies will be employed throughout networks in the near future. In particular, the text focuses on developments that support our increasing demand for network bandwidth--multilayer switching, delivery guarantees, and multicasting--and examines performance issues, resource allocation, network policy, and network services.

(Each chapter begins with "Introduction" and concludes with "Conclusions".)



Organization of This Book.



1. Our Demands for Networking.

Key Problems Addressed.

Communication Paradigms.

Examples of How We Use Networking Today.

Today's Networks.

Tomorrow's Networking Requirements.

The Main Goal of Networking.

Incorporating Features of Phone Networks.

The Main Demands on Networking.

Critical Components of Tomorrow.

Behind the Scene Network Needs.

Existing Patterns.

Setting Expectations.

2. Our Networking Base.

Key Solutions Offered.

The Prerequisite Information Challenge.

The Chapter Two Road Map.

The ISO OSI Reference Model.

Layer 1: Physical.

Layer 2: Data Link.

Layer 3: Network.

Layer 4: Transport.

Layers 1, 2, and 3.

The Big Picture.

Twisted Pair and Fiber.

Connectionless versus Connection-Oriented.


Fast Ethernet.

Gigabit Ethernet.



Physical Topology in the LAN.

Physical Topology in the WAN.


Point-to-Point Connections and Cloud Technologies.


Frame Relay.


Important TCP/IP Concepts.

IP Addressing.

What is DHCP.


Distance-Vector and Link-State Protocols.

Routing in the LAN.

Routing in the WAN.


Setting Expectations.

3. Switching Technology.

Key Solutions Offered.

Switching Comes from the Telephone Network.

Switches Are "Designed" for the LAN or WAN.

Switch Components.

Switch Implementations.

LAN Switching.

Collision Domains and Broadcast Domains.

Switched LANs.

Types of LAN Switches.

WAN Switching.

WAN Protocols.

Types of WAN Switches.

Packet and Cell Switching Technologies.

ATM Switching.

Frame Relay Switching.

FDDI and Token Ring Switching.

Ethernet, Fast Ethernet, and Gigabit Switching.

Gigabit Ethernet and ATM.

What is a VLAN.

VLAN Creation Techniques.

VLAN Advantages.

VLAN Disadvantages.

What is Tagging?

Tag Header Organization.



Setting Expectations.

4. Multilayer Switching.

Key Solutions Offered.

Routers Can Be Traffic Bottlenecks.

Multilayer Switching in a Nutshell.

Layer-2 Switching.

Layer-3 Switching.

Layer-4 Switching.

Fast IP and NHRP.

Multiprotocol over ATM (MPOA).

Routing Combined with Connection-Oriented Services.

Label-Based Switching.

The IETF MPLS Effort.

MPLS Functional Requirements.

Important MPLS Terminology.

Key Features of MPLS.

How MPLS Works.

Label Management.

Label Assignment: Local versus Egress Control.


MPLS Challenges.

Tag Switching.

IP Navigator.


Cell Switched Routers (CSR).

IP Switching.

Setting Expectations.

5. Guaranteed Delivery.

Key Solutions Offered.

When Does Delay Matter.

What Causes Delay, Anyway.

Resource Sharing.

Overprovision, Precedence, Dedicated Resource.

The Guaranteed Reservation Paradox.

Quality of Service (QoS) Basics.

What is QoS, Anyway?

Traffic Management.

Buffer Management.

Bandwidth Management and Queues.

Traffic Management Control.

Random Early Discard (RED).

The ATM World.

ATM's Built-In QoS.

ATM Service Classes.

The IP World.

Resource ReSerVation Protocol (RSVP).

Integrating ATM with RSVP.

Type of Service (TOS), OSPF, QOSPF, and QoS.

WinSock 2.


Setting Expectations.

6. Multicast in the Network.

Key Solutions Offered.

IP Multicast in a Nutshell.

Internet Group Management Protocol (IGMP).

Distance-Vector Multicast Routing Protocol (DVMRP).

Multicast Open Shortest Path First (MOSPF).

Core-Based Trees (CBT).

Protocol Independent Multicast.

Dense Mode (PIM-DM).

Sparse Mode (PIM-SM).

Multicast over ATM (MARS).

IETF Developments.

Multicast-Border Gateway Protocol (M-BGP).

Multicast Reliability.

Setting Expectations.

7. Network Policy and Services.

Key Solutions Offered.

Network Policy.

Service Level Agreements (SLAs).

Policy--The Distributed Glue That Ties Everything Together.

Network Configuration Repositories.

Next Steps for DHCP.

Remote Authentication Dial-In User Service (RADIUS).

An Example of RADIUS in Use.

Introducing Distributed Policy Is a Large Challenge.

Lightweight Directory Access Protocol (LDAP).

Directory Enabled Networking (DEN).

Network Services.

Virtual Private Networks (VPNs).

Interactive Voice over Data Networks.

Voice over Data Challenges.

Deploying Interactive Voice over an Intranet.

Network Services Depend on Network Policy.

Real-Time Video over Data Networks.

Setting Expectations.

8. Managing Our Demands for Networking.

Key Problems Addressed.

The Basics of Management.

The Sources of Network Management Data.

Engineering Problem Solving Applied to Network Management.

Switched Networks Challenge Network Management.

Layered Management.

Hierarchical Management.

Distributed Management.

DHL Management.

Network Management Needs of Switched Networks.

Proactive versus Reactive Management.




Traffic Management.

Delivery Guarantees and Traffic Prioritization.

Traffic Optimization.

Twelve Cardinal Rules of Creating Management Solutions.

Policy-Based Network Management.

A Conceptual View of Managing Tomorrow's Switching Solutions.

Management Strives to Be End-to-End.

Preparing for New Switching Solutions.

Setting Expectations.


Networking Acronyms Used in This Book.

Index. 0201379538T04062001

ISBN: 9780201379532
ISBN-10: 0201379538
Series: Professional Computing S
Audience: Tertiary; University or College
Format: Paperback
Language: English
Number Of Pages: 320
Published: 4th February 1999
Country of Publication: US
Dimensions (cm): 24.23 x 19.33  x 2.01
Weight (kg): 0.68
Edition Number: 1