Notes from Business Data Communication Class, Local Area Network Technology. (download it is set up in a table)

CHAPTER 5 OTHER LAN TECHOLOGIES Large Ethernet net ricks, including:         Hierarchical change by reversal organization to reduce cost,          independent points of failure,         Workgroup versus core switches         Virtual topical anaesthetic bea nedeucerks and Ethernet physical stratum standards. Wireless LANs Including:         802.11 speeds         802.11 access points and hand-offs,         CSMA/CA + ACK,         Bluetooth passkey/slave operation         Spread spectrum transmissions (box features) atmospheric farming LANs Including:          character of religious service (QoS) guarantees for voice and video (but non necessarily for data)          atmospheric state preparation using meshes and realistic circuits to reduces switching costs         Comparisons amidst ATM and Ethernet in handling brief work peaks Legacy LANs Including:         token -ring networks and proterozoic Ethernet standards LARGER ETHERNET NETWORKS In a hierarchy         There is all on mathematical pathway betwixt any(prenominal) two move Ethernet         Requires hierarchical array for its switches LOW-COST shifting         Advantage.

        Ethernet switches only take over to do simple plug-in lookups when a frame arrives         Simple put back lookups are rattling fast          make Ethernet switches very inexpensive for the commerce load they handle Note: routers have to do more work         because thither are alternative routes between any two station         Must attain all workable routes          and so select the best route WORKGROP VERSUS union SWITCHES Workgroup switches         Connect stations at one time to switches Carry traffic to and from their stations (previous chapter) Dominant porthole speed 10/100Mbps Core switches                  Are switches farther up the hierarchy         They carry traffic between one switch and another         They must work faster than workgroup switches          restrain to handle traffic of umteen workgroup switches Emerging dominant port speed         1Gbps         10Gbps VIRTUAL LANs AND ETHERNET SWITCHES Unicasting         Ethernet NICs normally wish to unicast mastermind a from a from one station to one other station Broadcast                   bill message to all stations          overbold Netware servers may advertise there presence every 60 seconds for so by programme a server advertisement message that is designed to go to all... If you want to get a full essay, order it on our website: Orderessay

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