Cisco Systems, Inc. designs, manufactures, and sells Internet Protocol based networking products and services related to the communications and information technology industry. It provides a broad line of products for transporting data, voice, and video within buildings and across campuses. The company's product offerings comprises of the following categories: Switching, Next-Generation Network (NGN) Routing, Service Provider Video, Collaboration, Data Center, Wireless, Security, and Other Products. Switching is a networking technology used in campuses, branch offices, and data centers. The Switches are used within buildings in local-area networks and across great distances in wide-area networks. Switching products offer many forms of connectivity to end users, workstations, IP phones, access points, and servers and also function as aggregators on local-area networks and wide-area networks. The Next-Generation Network Routing technology is fundamental to the foundation of the Internet.