Detailed coverage of Protocol Independent Multicast (PIM) in various modes (Dense, Sparse, and Bidirectional) and scaling protocols like MSDP.

New sections on BGP Prefix Independent Convergence (PIC) and ADD-PATHS capability.

The (released in 2016) significantly updated the original text to reflect contemporary networking needs:

While Volume I focuses on interior gateway protocols (IGPs), expands into inter-autonomous system routing, scalability, and "exotic" routing issues like multicasting and IPv6. Core Technical Focus

Mastery of the de facto inter-domain routing protocol, including path attributes, decision processes, and scaling techniques like route reflectors and confederations.

Tested measures for resolving issues that typically arise in enterprise and service provider environments.