Presentation
... Optical Fibre Optical fiber is a thin, flexible medium capable of conducting an optical ray It transmits light rather than electronic signals eliminating the problem of electrical interference Very high bandwidth (currently up to 100Gbps) Used for long-distance trunks, local area networks, hi ...
... Optical Fibre Optical fiber is a thin, flexible medium capable of conducting an optical ray It transmits light rather than electronic signals eliminating the problem of electrical interference Very high bandwidth (currently up to 100Gbps) Used for long-distance trunks, local area networks, hi ...
Part I: Introduction - Central South University
... each end-end data stream divided into packets r user A, B packets share network resources r each packet uses full link bandwidth r resources used as needed, Bandwidth division into “pieces” Dedicated allocation Resource reservation ...
... each end-end data stream divided into packets r user A, B packets share network resources r each packet uses full link bandwidth r resources used as needed, Bandwidth division into “pieces” Dedicated allocation Resource reservation ...
Networking and Internetworking
... – data transfer rate is determined primarily by network physical characteristics, whereas the latency is determined primarily by software overheads, routing delays and delay of accessing to transmission channels – In distributed systems, messages are always small in size, so the latency is more sign ...
... – data transfer rate is determined primarily by network physical characteristics, whereas the latency is determined primarily by software overheads, routing delays and delay of accessing to transmission channels – In distributed systems, messages are always small in size, so the latency is more sign ...
CSC 335 Data Communications and Networking I
... • OSPF includes type of service routing. A router can use type of service or priority and the destination address to choose a route. • OSPF provide load balancing. • OSPF allows a site to be partitioned into areas. • OSPF protocol specifies that all exchanges between routers can be authenticated. ...
... • OSPF includes type of service routing. A router can use type of service or priority and the destination address to choose a route. • OSPF provide load balancing. • OSPF allows a site to be partitioned into areas. • OSPF protocol specifies that all exchanges between routers can be authenticated. ...
Protocols - Computing Sciences
... – Faster, but less reliable than TCP – UDP itself does not segment application data – UDP does not use acknowledgements – UDP is used by some higher layer protocols such as NFS and DNS. ...
... – Faster, but less reliable than TCP – UDP itself does not segment application data – UDP does not use acknowledgements – UDP is used by some higher layer protocols such as NFS and DNS. ...
Increase Network Capacity and Performance Gain Visibility and
... • Offer a wide range of value added services ...
... • Offer a wide range of value added services ...
presentation source
... assumes best-effort network (FIFO or FQ routers) each source determines network capacity for itself uses implicit feedback ACKs pace transmission (self-clocking) ...
... assumes best-effort network (FIFO or FQ routers) each source determines network capacity for itself uses implicit feedback ACKs pace transmission (self-clocking) ...
CCNA2 3.1-09 Basic Router Troubleshooting
... Interpreting the Show Interface Serial Command One of the most important elements of the show interface serial command output is the display of the line and data link protocol status. The line status is triggered by a Carrier Detect signal, and refers to the physical layer status. However, the line ...
... Interpreting the Show Interface Serial Command One of the most important elements of the show interface serial command output is the display of the line and data link protocol status. The line status is triggered by a Carrier Detect signal, and refers to the physical layer status. However, the line ...
IEEE and LAN Protocols
... Token delivers the data to the addressee Acknowledgement is returned to the sender Token is passed to the next node The process continues If there is an error in delivering the information, a request for retransmission attached to the token and it is sent to the sender ...
... Token delivers the data to the addressee Acknowledgement is returned to the sender Token is passed to the next node The process continues If there is an error in delivering the information, a request for retransmission attached to the token and it is sent to the sender ...
Protocol Suites - York Technical College
... TCP/IP - Transmission Control Protocol/Internet Protocol ...
... TCP/IP - Transmission Control Protocol/Internet Protocol ...
PIS106 ADVANCED COMPUTER NETWORKS Course Objective:
... Data-link protocols: Ethernet, Token Ring and Wireless (802.11). Wireless Networks and Mobile IP: Infrastructure of Wireless Networks, Wireless LAN Technologies, IEEE 802.11 Wireless Standard, Cellular Networks, Mobile IP, Wireless Mesh Networks (WMNs), Multiple access schemes Routing and Internetwo ...
... Data-link protocols: Ethernet, Token Ring and Wireless (802.11). Wireless Networks and Mobile IP: Infrastructure of Wireless Networks, Wireless LAN Technologies, IEEE 802.11 Wireless Standard, Cellular Networks, Mobile IP, Wireless Mesh Networks (WMNs), Multiple access schemes Routing and Internetwo ...
Chapter 1 Data Communications and Networks Overview
... Crossing public rights of way Rely in part on common carrier circuits Alternative technologies —Circuit switching —Packet switching —Frame relay —Asynchronous Transfer Mode (ATM) ...
... Crossing public rights of way Rely in part on common carrier circuits Alternative technologies —Circuit switching —Packet switching —Frame relay —Asynchronous Transfer Mode (ATM) ...
Chapter 1 Data Communications and Networks Overview
... Crossing public rights of way Rely in part on common carrier circuits Alternative technologies —Circuit switching —Packet switching —Frame relay —Asynchronous Transfer Mode (ATM) ...
... Crossing public rights of way Rely in part on common carrier circuits Alternative technologies —Circuit switching —Packet switching —Frame relay —Asynchronous Transfer Mode (ATM) ...
PPT - University of Pittsburgh
... • We need some sort of address in order to identify different nodes, as if every house has a mailing address in order to receive mail from others • The one used by Internet Protocol is called IP address • Every host on the Internet has a unique IP address, made up of four numbers. E.g.. 192.56.215.1 ...
... • We need some sort of address in order to identify different nodes, as if every house has a mailing address in order to receive mail from others • The one used by Internet Protocol is called IP address • Every host on the Internet has a unique IP address, made up of four numbers. E.g.. 192.56.215.1 ...
Physical Layer
... • AT, This prefix begins all but two commands you issue to the modem locally,, and tells the modem "ATtention! commands to follow". • D, Dial. Use the D command to dial a telephone number from the command line. The format of the command is ATD and the string parameter can contain up to 45 characters ...
... • AT, This prefix begins all but two commands you issue to the modem locally,, and tells the modem "ATtention! commands to follow". • D, Dial. Use the D command to dial a telephone number from the command line. The format of the command is ATD and the string parameter can contain up to 45 characters ...
Chapter 1: Introducing Networks
... cannot be changed. The only way to change the MAC address of a device is to change the NIC card in the device. The MAC address is more specifically operating at the MAC sublayer of the data link layer. There is also the logical link control (LLC) sublayer in the data link layer. The LLC is concerned ...
... cannot be changed. The only way to change the MAC address of a device is to change the NIC card in the device. The MAC address is more specifically operating at the MAC sublayer of the data link layer. There is also the logical link control (LLC) sublayer in the data link layer. The LLC is concerned ...
1 a
... Data rate on mux’ed line < sum of data rates from all input lines. • Can support more devices than TDM using same link. ...
... Data rate on mux’ed line < sum of data rates from all input lines. • Can support more devices than TDM using same link. ...
Data Communications and Enterprise Networking
... ICMP is a network layer protocol that is encapsulated in another network layer protocol (IP) for which it provides testing and diagnostic functions. IP Version 6 incorporates the Secure Sockets Layer for its security functions. UDP uses the Internet checksum but it only protects the UDP header field ...
... ICMP is a network layer protocol that is encapsulated in another network layer protocol (IP) for which it provides testing and diagnostic functions. IP Version 6 incorporates the Secure Sockets Layer for its security functions. UDP uses the Internet checksum but it only protects the UDP header field ...
Ch. 9 - Ethernet - Information Systems Technology
... Carrier Sense Multiple Access w/Collision Detection Random delay (backoff algorithm) is used to try to help prevent another collision. First expired timer gets to transmit data first. Once a collision has occurred, devices return to listen before transmitting mode – THIS DECREASES network perfo ...
... Carrier Sense Multiple Access w/Collision Detection Random delay (backoff algorithm) is used to try to help prevent another collision. First expired timer gets to transmit data first. Once a collision has occurred, devices return to listen before transmitting mode – THIS DECREASES network perfo ...
C03-Wireless_LANs
... typically very low bandwidth compared to wired networks (1-10 Mbit/s) due to shared medium many proprietary solutions, especially for higher bit-rates, standards take their time (e.g. IEEE 802.11) products have to follow many national restrictions if working wireless, it takes a vary long time t ...
... typically very low bandwidth compared to wired networks (1-10 Mbit/s) due to shared medium many proprietary solutions, especially for higher bit-rates, standards take their time (e.g. IEEE 802.11) products have to follow many national restrictions if working wireless, it takes a vary long time t ...