Revised to cover version 2.0 of WinSock API, this text provides a source of information for programmers working with Windows networking development. It includes coverage of RSVP, Multicast, and layered service providers. Topics covered include writing a WinSock-aware dynamic link library, how to port BSD Sockets codes to WinSock, and how and when to use optional WinSock features. Also included is a quick-reference inventory of all structures, functions and macros included in WinSock 2.0. The accompanying CD-ROM includes source code from the book and other resources.