High Performance Networks: Frontiers and Experience, Volume 2Ahmed N. Tantawy 'The world of information processing is going through a major phase of its evolution. Networking has been associated with computers since the 1960's. Communicating machines, exchanging information or cooperating to solve complex problems, were the dream of many scientists and engineers. Rudi mentary networks and protocols were invented. Local area networks capable of carrying a few megabits per second became basic components of corporate computing installations in the 1980's. At the same time, advances in optical transmission and switching technologies made it possible to transfer billions of bits per second. 'The availability of this huge bandwidth is making people wonder about the seemingly unlimited possibilities of these "fat information pipes" A new world where all interesting up-to-date information becomes instantaneously available to everyone everywhere is often portrayed to be around the comer. New applications are envisioned and their requirements are defined. 'The new field of High Performance Networking is burgeoning with activities at various levels. Several frontiers are being explored simultaneously. In order to achieve more bandwidth and better performance, work is progressing in optical transmission, high speed switching and network resource manage ment. Some researchers have started to investigate all-optical networking as a promising approach to remove the relatively slow electronics from the network infrastructure. This will also introduce a new environment with unique characteristics that will have a definite impact on network architec tures, topologies, addressing schemes, and protocols. |
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Page 81
... physical links . Hosts are connected to the nodes , and each host may have several con- nections to the one node . Each node contains physical layer circuitry , Medium Access Control ( MAC ) logic , and additional functions , as shown ...
... physical links . Hosts are connected to the nodes , and each host may have several con- nections to the one node . Each node contains physical layer circuitry , Medium Access Control ( MAC ) logic , and additional functions , as shown ...
Page 82
... physical layer . One immediate ob- jection to the topology is that it uses the same number of physical layer transceivers as a full dual bus topology , but only provides half the bandwidth of the dual bus scheme . There is little doubt ...
... physical layer . One immediate ob- jection to the topology is that it uses the same number of physical layer transceivers as a full dual bus topology , but only provides half the bandwidth of the dual bus scheme . There is little doubt ...
Page 83
... physical layer has been tested via a proprietary bit error rate tester , and we have achieved error rates lower than one bit in 1014. Further details of the physical layer and optics can be found in [ 3 ] and [ 5 ] . One important ...
... physical layer has been tested via a proprietary bit error rate tester , and we have achieved error rates lower than one bit in 1014. Further details of the physical layer and optics can be found in [ 3 ] and [ 5 ] . One important ...
Contents
An Experiment in Gigabit Network | 3 |
From Broadband ISDN to Multimedia | 27 |
MultiG Distributed Multimedia Applications | 61 |
Copyright | |
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adaptor algorithms applications architecture Asynchronous Transfer Mode ATM cells AURORA bandwidth BERKOM Broadband Buffer Cards bytes channel checksum chunk CLNP clock communication Computer Computer Networks congestion control connection CRMA cycle data structures developed distributed endsystems entities environment error detection Ethernet FDDI FECB's FIFO Figure flow control forward error correction frame functions Gb/s gigabit networks hardware header High Performance High Speed Networks high-speed host interface IEEE integration Internet Mbit/s Mbps memory multimedia multiplexing network interface node operating system optical packet parallel payload physical layer pipeline port Proc processor protocol implementations protocol processing prototype reassembly receiver reservation retransmission RISC scheduling segment SIGCOMM slot subsystem switch synchronous TCP/IP testbed throughput timer TP++ TPDU traffic transmission Transmit transport protocol transputer TURBOChannel Unix VLSI wavelength workstation