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Deploying IP Multicast in the Enterprise - Thomas Albert Maufer

Deploying IP Multicast in the Enterprise

Paperback Published: 3rd January 1998
ISBN: 9780138976873
Number Of Pages: 304

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With Multicasting, it's possible to send data, video and audio to many requesting clients at once, across the Internet or any other IP network. Multicasting is at the heart of a new generation of Web applications, from real-time stock updates to software distribution. This is the first book that closely examines the protocols which make Multicasting possible -- and the thorny routing issues that arise in enterprise Multicasting.Understand the rationale for Multicast and the fundamentals of IP technology, including the "host group" model and the Internet Group Management Protocol (IGMP). Learn how to implement Multicast routing today, and the role of techniques such as Reverse-Path Multicasting, Distance Vector Multicast Routing Protocol, Protocol-Independent Multicast -- Dense Mode, and Multicast Extensions to OSPF. Then learn how multicast is evolving. Preview Core Based Trees, and Protocol-Independent Multicast -- Sparse Mode. Understand how MBone fits -- and where it's headed. Finally, watch IP Multicast at work in state-of-the-art case studies, including InteropNet and the Georgia Tech campus network.For all network engineers and managers developing Internet-based multicasting (and "push") applications.

Introduction and Preliminaries
What is an Intranet?
How Is an Intranet Different?
Understanding the Need for Multicast
Replicated Unicast
Network-Layer Multicast
IP Addressing Overview
The IP Address Space
'Classes' of Network Numbers
What Is CIDR?
Limited Broadcast
All-Subnets Broadcast
Subnet-Specific Broadcast
Reserved Multicast Addresses
Multicast Address Space
Multicast IP over IEEE 802 LANs
Multicast Summary
Characteristics of Multicast Applications
Identifying Multicast Applications
Multicast shy
Multicast Applications Are Not Necessarily Bandwidth-Intensive!
Multidestination Applications Don't Always Use Multicast
Motivation for Multicast
Multicast Videoconferencing and Your Travel Budget
The Future of Multicast on Your Intranet
The History of IP on Your Intranet
Multicast Is Not Perfect (Yet) . . .
Multicast IP Technology Overview
Multicast IP Fundamentals
The Lineage of Multicast Standardization
Host Group Model
Controlling the Scope of Multicast Forwarding
Implicit Scoping
TTL-Based Scoping
Administrative Scoping
Overview of the Internet Group
Management Protocol
IGMP Version
IGMPv1 Protocol Overview
The IGMP Report Supression Technique
Detecting Group Membership Changes
End Stations and Join Latency
IGMP Version
IGMPv2 Querier Election
IGMPv2 New Messages
Leave Latency and IGMPv
IGMPv2 Summary
IGMPv2 and IGMPv1 Coexistence Rules
Rules for IGMPv2 End Stations
Rules for Routers
IGMP Version 3 (Future)
Introduction to Multicast Routing and Forwarding
Multicast Address Allocation
How Are Class D Addresses Assigned?
Brief Overview of Routing Techniques
Broadcast and Prune
Examples of Broadcast-and-Prune Multicast Routing Protocols
Shared Trees
Multicast Forwarding versus Multicast Routing
Unicast versus Multicast Forwarding
Multicast Forwarding Procedure
Multicast Routing Protocols: Scalability and Routing Policy Issues
Intranet Multicast Routing Today
Evolution of Reverse-Path Multicasting (RPM)
Reverse-Path Broadcasting (RPB)
Reverse-Path Broadcasting: Operation
RPB: Benefits and Limitations
Truncated RPB (TRPB)
Reverse-Path Multicasting
RPM's Limitations
Distance-Vector Multicast Routing Protocol
Physical and Tunnel Interfaces
Basic Operation
DVMRP Router Functions
DVMRP Routing Table
DVMRP Forwarding Table
DVMRP Tree Building and Forwarding Summary
Weaknesses in DVMRP
Deploying DVMRP
Native DVMRP Intranet
Backbone between Domains Running Other Multicast Routing Protocols
Connecting to the Internet's Multicast Backbone
Protocol-Independent MulticastDense Mode
Protocol-Independent Multicast Overview
PIMDense Mode (PIM-DM)
PIM-DM Tree Building and Forwarding Summary
Multicast Extensions to OSPF (MOSPF)
Intra-Area Routing with MOSPF
Local Group Database
Datagram's Shortest Path Tree
Forwarding Cache
Interarea Routing with MOSPF
Interarea Multicast Forwarders
An Interarea Datagram's Shortest Path Tree
Inter-Autonomous-System Multicasting with MOSPF
MOSPF Tree Building and Forwarding Summary
Weaknesses of MOSPF
Deploying MOSPF
Mixing MOSPF and OSPF Routers within an OSPF Routing Domain
Intranet Multicast Routing Tomorrow
Core-Based Trees (CBT)
Intra-domain Bootstrapping
Joining a Group's Shared Tree
CBT Tree Maintenance
CBT's Designated Router
Data Packet Forwarding
CBT's Forwarding Cache
Non-Member Sending
CBT Tree Building and Forwarding Summary
Protocol-Independent MulticastSparse Mode (PIM-SM)
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780138976873
ISBN-10: 0138976872
Audience: Tertiary; University or College
Format: Paperback
Language: English
Number Of Pages: 304
Published: 3rd January 1998
Country of Publication: US
Dimensions (cm): 25.4 x 18.42  x 2.54
Weight (kg): 0.81