Chapter 23: Networks
Index of Figures
Fig 23.1.1................Cloud diagram for a network; each computer is a host
Fig 23.1.2................Wide area network composed of several smaller networks linked by a gateway
Fig 23.2.1................NRZL encoding of 01001110
Fig 23.2.2................Out of synch clocks misinterpreting a string of 1s Nine data bits are sent in 8 time periods
Fig 23.2.3................NRZI Encoding of 01001110
Fig 23.2.4................Bit stuffing
Fig 23.2.5................Manchester encoding of 01001110
Fig 23.3.1................Typical packet format
Fig 23.3.2................2-dimensional even parity is able to detect and fix single errors
Fig 23.6.1................TCP/IP layered architecture
Fig 23.8.1................Transmission of a reliable bit or byte stream over a connection oriented protocol
Fig 23.8.2................NAK triggers retransmission of an earlier packet
Fig 23.8.3................ACKs and NAKs
Fig 23.8.4................R's onerous task of reconstructing the exact same bit stream as was transmitted
Fig 23.9.1................Ethernet bus-based LAN
Fig 23.9.2................How the individual computer attaches
Fig 23.9.3................Vampire tap of a transceiver in an Ethernet LAN
Fig 23.9.4................Ethernet collision
Fig 23.10.1................Token ring LAN
Fig 23.11.1................Fully connected networks of various sizes
Fig 23.11.2................Fully connected networks in general the total number of wires is almost N²
Fig 23.11.3................Token ring and a broken token ring
Fig 23.11.4................Two breaks in a token ring cause a partition of the network
Fig 23.11.5................Mesh network
Fig 23.11.6................WAN with attached LANs forming an Internet
Fig 23.11.7................Star topology
Fig 23.13.1................Mesh network of IMPs