THIS NEW EDITION OF VOLUME 1:

* Explains how voice and video are sent over IP internets and how IP Telephony operates
* Describes Mobile IP (a technology that allows a computer to move from one network to another without changing its IP address)
* Discusses IP security and the security standard, IPsec
* Revises the discussion of Ipv6 to incorporate the latest changes
* Shows how to interconnect private intranets and the global Internet using Virtual Private Network (VPN) and Network Address Translation (NAT) technologies
* Expands the description of IP multicasting to cover multicast routing protocols
* Presents the Differentiated Services (DiffServe) scheme for classes of services as well at Path MTU discovery and routing for anonymous serial networks
* Explains Random Early Discard (RED), which is now recommended for routers
* Updates the coverage of all protocols to the latest versions, including RIP, IGMP, and SNMP