Internet Routing With Bgp
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BGP
Author: Iljitsch van Beijnum
language: en
Publisher: "O'Reilly Media, Inc."
Release Date: 2002-09-11
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.
Internet Routing Architectures
Explores the functions, attributes, and applications of BGP-4 (Border Gateway Protocol Version 4), the de facto interdomain routing protocol, through practical scenarios and configuration examples.
Internet Routing with BGP
Author: Iljitsch van Beijnum
language: en
Publisher: Iljitsch van Beijnum
Release Date: 2022-10-21
The internet is “a network of networks”. It’s made up of tens of thousands of largely independent networks, but somehow the users of one network can communicate with the users of any of the other networks. The Border Gateway Protocol (BGP) is the glue that binds these disparate networks together. BGP is a routing protocol: its main job is to allow each network to learn which ranges of IP addresses are used where, so packets can flow along the correct route. However, BGP has a more difficult job to do than other routing protocols. Yes, it has to make the packets reach their destination, but BGP also has to pay attention to the business side: those packets only get to flow over a network link if either the sender or the receiver pays for the privilege. This book covers the fundamentals of the technical side of BGP, and also looks at the intersection between the technical and business aspects of internet routing. The book contains 40 configuration examples that readers can try out on their own computer in a “BGP minilab”.