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Building Reliable Networks with the Border Gateway Protocol

Paperback Engels
Verkooppositie 2851
Verwachte levertijd ongeveer 8 werkdagen


Border Gateway Protocol (BGP) is the routing protocol used to exchange routing information across the Internet. It makes it possible for ISPs to connect to each other and for end-users to connect to more than one ISP. BGP is the only protocol that is designed to deal with a network of the Internet's size, and the only protocol that can deal well with having multiple connections to unrelated routing domains.

This book is a guide to all aspects of BGP: the protocol, its configuration and operation in an Internet environment, and how to troubleshooting it. The book also describes how to secure BGP, and how BGP can be used as a tool in combating Distributed Denial of Service (DDoS) attacks. Although the examples throughout this book are for Cisco routers, the techniques discussed can be applied to any BGP-capable router.

The topics include:
- Requesting an AS number and IP addresses
- Route filtering by remote ISPs and how to avoid this
- Configuring the initial BGP setup
- Balancing the available incoming or outgoing traffic over the available connections
- Securing and troubleshooting BGP
- BGP in larger networks: interaction with internal routing protocols, scalability issues
- BGP in Internet Service Provider networks

The book is filled with numerous configuration examples with more complex case studies at the end of the book to strengthen your understanding. BGP is for anyone interested in creating reliable connectivity to the Internet.


Aantal pagina's:272


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1. The Internet, Routing, and BGP
Topology of the Internet
TCP/IP Design Philosophy
Routing Protocols

2. IP Addressing and the BGP Protocol
IP Addresses
Interdomain Routing History
The BGP Protocol
Multiprotocol BGP
Interior Routing Protocols

3. Physical Design Considerations
Selecting ISPs
Router Hardware
Failure Risks
Building a Wide Area Network
Network Topology Design

4. IP Address Space and AS Numbers
The Different Types of Address Space
Requesting Address Space
Renumbering IP Addresses
The AS Number
Routing Registries
Routing Policy Specification Language

5. Getting Started with BGP
Enabling BGP
Monitoring BGP
Clearing BGP Sessions
Filtering Routes
Internal BGP
The Internal Network
Minimizing the Impact of Link Failures
eBGP Multihop

6. Traffic Engineering
Knowing Which Route Is Best
Route Maps
Setting the Local Preference
Manipulating Inbound AS Paths
Inbound Communities
BGP Load Balancing
Traffic Engineering for Incoming Traffic
Setting the MED
Announcing More Specific Routes
Queuing, Traffic Shaping, and Policing

7. Security and Integrity of the Network
Passwords and Security
Protecting BGP
Denial-of-Service Attacks

8. Day-to-Day Operation of the Network
The Network Operations Center
NOC Hardware Facilities
SNMP Management
Router Names
General IP Network Management

9. When Things Start to Go Down: Troubleshooting
Keeping a Clear Head
Managing the Troubleshooting Process
Dealing with Service Providers
Physical and Datalink Layer Problems
Routing and Reachability Problems
Black Holes
DNS Problems

10. BGP in Larger Networks
Peer Groups
Using Loopback Addresses for iBGP
iBGP Scaling
Dampening Route Flaps
OSPF as the IGP
Traffic Engineering in the Internal Network
Network Partitions

11. Providing Transit Services
Route Filters
Anti-DoS Measures
Customers with Backup Connections
Providing IPv6 and Multicast

12. Interconnecting with Other Networks
Internet Exchanges, NAPs, and MAEs
Connecting to an Internet Exchange
Connecting to More Exchange Points
Rejecting Unwanted Traffic
IX Subnet Problems
Talking to Other Network Operators
Exchange Point Future

A. Cisco Configuration Basics
B. Binary Logic, Netmasks, and Prefixes
C. Notes on the IPv4 Address Space

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