Business Data Communications, 6/e, covers the fundamentals of data communications, networking, distributed applications, and network management and security. Stallings presents these concepts in a way that relates specifically to the business environment and the concerns of business management and staff, structuring his text around requirements, ingredients, and applications. All of the material has been updated for the latest technologies and developments in the field, including: specifications of WiFi/IEEE 802.11 wireless LANs, including 802.11n. IP; performance metrics and service level agreements (SLAs); Gigabit Ethernet and 10-Gbps Ethernet standards; New unified communications concepts; expanded, enhanced security material; New online animations illustrate key functions and algorithms in OS design. Appropriate for professionals interested in business data communications.