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est_320_Lect_4_Networking_2_28_08

Network recourses are used only when data is being

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Unformatted text preview: link layer. Frame Relay networks do not have controlled data flow, error control and retransmission policies. Damaged frames are silently dropped from the transmission. Frame Relay networks were designed for more reliable media and provide the user with fast transmission capabilities. Fundamental Architecture of the Internet No single group owns the Internet. The Internet is managed by private organizations, Universities, and government agencies. Government many agencies such as the National Science Foundation (NSF), and NASA provide highspeed backbones for research and education. These agencies provide links to supercomputer centers. The United States government has also funded Internet 2, a super-fast network which has the ability to transfer information at 2.4 gigabits per second. Internet The Internet is a data network that uses Transmission Control Protocol/internet Protocols (TCP/IP). The Internet has a Global communications infrastructure TCP/IP Protocols The Internet uses higher level protocols making it an extremel...
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