Term
| circuit switching networks |
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Definition
| a single path from one endpoint to another is built when a connection is terminated the communication stops |
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Term
| ( PVC ) Perminte virtual circuit |
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Definition
| leases lines they connect endpoints they are always on |
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Term
| ( SVC ) Switched virtual circuits |
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Definition
| temporary connection to an end to multiple ends as needed |
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Term
| Packet switching networks |
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Definition
| moves data through the network packet by packet. Packet takes the best route available at any given time rather that following an established connection |
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Term
| cell switching networking |
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Definition
| are very similar to packet switching networks divide in fixed length it is very predictable due to it's fixed size |
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Term
| cell switching networking |
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Definition
| are very similar to packet switching networks divide in fixed length it is very predictable due to it's fixed size |
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Term
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Definition
| uses a television cable connection and a specialized interface device known as a cable modem to provide high speed access to Internet |
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Term
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Definition
| is a group of technology that transmit digital signals over phone lines connect to a DSLAM |
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Term
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Definition
| 1.544 to 2.048 Mbps distance limit of 12,000 ft |
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Term
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Definition
| 1.544 to 6.1 MBPS up stream and 16 to 640 down stream distance limit of 18,000 ft |
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Term
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Definition
| 1.544 Mbps both up and down |
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Term
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Definition
| 12.9 to 52.9 down legenths of up to 4,500 |
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Term
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Definition
| provides a dedicated connection between two end points that a companies use to provide a high quality connection between locations |
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Term
| ( ISDN ) Integrated services digital network |
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Definition
| is a digitally switched technology that carries both voice and data over phone lines |
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Term
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Definition
Basic rate interface
Bearer Channels carry data 64 kbps
Delta control info
connection establishment and break down |
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Term
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Definition
23B + D 1.544 Mbps
both D + B = 64 k |
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Term
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Definition
| local loop PSTN connections that use modems existing phone lines and existing long distance carriers services to provide low-cost low bandwidth WAN connectivity |
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Term
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Definition
| Packet switching layer two replaced x.25 |
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Term
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Definition
| frame relay's predecessor had reliable delivery but had more network over head |
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Term
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Definition
| end devices used on a frame relay or a x.25 network often a router |
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Term
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Definition
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Term
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Definition
| Asynchronous Transfer Mode versatile cell switched network designed for employment in LANs, WANs, and telephone networks and have high bandwidth 53 byte cell bandwidth 155 Mbps - 2.488 Gbps can carry data and voice and video simultaneously uses QoS supports Svc and Pvc |
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Term
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Definition
| WAN technology for both circuit and packet switching starts to replace ATM and Frame relay can carry all types of traffic |
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Term
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Definition
| originally used to run over the PSTN carries multi plexed divides multiple channeler in to one cable t1 = 24 channels at 64 kbps for a total of 1.544 Mbps uses DS or DSH channels |
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Term
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Definition
| synchronous data transport over fiber cable excellent bandwidth built in fault recovery 2.48 Gbps OC STS specifications self healing dual fiber ring |
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Term
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Definition
is a channelized techonology based on the same 64 Kbps channel as DSH but with a base of rate of 810 channels
OC1 = 51.84 MBPS
OC3 = 155 MBPS
OC48 = 2.4 GBPS
OC192 = 9.95 GBPS |
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Term
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Definition
| 802.16 operates at between 2 nd 11 GHz |
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Term
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Definition
| combined multiple data signals in the most effective way possible providing the most effective connection possible |
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Term
| ICS ( Internet connection sharing ) |
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Definition
| conductivity technique for computer system that connects multiple computers to the Internet by using a signal Internet connection |
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Term
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Definition
| transmit analog signals over over digital network technology |
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Term
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Definition
| is a voice over data implementation where voice calls are sent over IP networks |
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Term
| SIP ( Secession Initiation Protocol ) |
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Definition
| responsible for the signal portion of a communication secession |
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Term
| RTP ( Real- time Transport Protocol ) |
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Definition
| The protocol used for transmitting VOIP data and the control |
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Term
| RTCP ( real- time Transport Control ) |
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Definition
| works with RTP to control data transport but does not actually transport any data |
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