Internet Routing Architectures, Second Edition expands on the highly successful first edition, with new updates on BGP4 and current perspectives on internetworking routing architectures. This book is intended for any organization needing to build an efficient, reliable, enterprise network accessing the Internet. Its purpose is to make you an expert on integrating your network into the global Internet. It is written to address real routing issues, using real scenarios, in a comprehensive and accessible manner. Internet Routing Architectures, Second Edition uses a practical, example-oriented approach to provide solutions for ISP connectivity issues. .