Figure 15.11 Routers connecting independent LANs and WANs Topics discussed in this section: 15-2 BACKBONE NETWORKS A backbone network allows several LANs to be connected. In a backbone network, no station is directly connected to the backbone; the stations are part of a LAN, and the backbone c...
Wecandividecomputernetworksintothreebroadcategories:localareanetworks(LANs),metropolitanareanetworks(MANs),andwideareanetworks(WANs).Thethreenetworktypescanbeconnectedusingconnectingdevices.Theinterconnectionofnetworksmakesglobalcommunicationfromonesideoftheworldtotheotherpossible.Connectingdevicescanbedividedintofourtypes...
UTP cable is frequently used in LANs. Figure 3-14 shows an example of a UTP cable. Figure 3-14.UTP Cable UTP cable is a four-pair wire. Each of the eight individual copper wires in UTP cable is covered by an insulating material. In addition, the wires in each pair are twisted ...
Although the example in FIG. 1 depicts LAN 20 as having a ring top... Fan, Rodric C.,Nagda, Paresh L.,Singh, Sandeep Manojkumar,... 被引量: 24发表: 2003年 Industrial LANs with real-time communication servers Shop floor communications networks are evolving towards the increased use of ...
802.1x for Wireless LANs Windows XP Professional SP2 improves and builds upon the wireless support provided in Windows 2000. Windows XP Professional includes support for automatic switching between different access points (APs) when roaming, autodetection of wireless networks, and automatic wireless config...
Wireless LANs and extended LANs use transmitters and receivers owned by the company in which the network operates. Mobile computing uses public carriers such as AT&T, MCI, Sprint and the local telephone companies and their public services, to transmit and receive signals....
The institution's three ocean- going vessels also have LANs with Internet access. WHOI Senior Scientist Alan Chave is principal scientist for the Laboratory for the Ocean Observatory Knowledge Integration Grid (LOOKING), a collaborative project of several scientific institutions for experimental wireless...
This paper presents a performance evaluation for token ring based localarea networks. Performance is measured in terms of the delay-throughput characterist... HA Muscate,B Wolfinger 被引量: 0发表: 2014年 Open system LANs and their global interconnection Discussions focus on MAC bridging, token bu...
In recent years, along with spreading of network environments, such as wireless LANs (local area networks), devices have become popular which are equipped with a wireless LAN function enabling wireless connection to a network via a wireless LAN access point provided on the network. For example, ...
Since we live in a distributed and mo- bile world, the people who need to access the services on each of the LANs may be at sites across the Internet. These people can use IPSec protocols to protect their access. These protocols can operate in net- working devices, such as a router ...