Circuit and Packet Switching
... been the dominant technology for voice communications. — Since 1970, packet switching has evolved substantially for digital data communications. It was designed to provide a more efficient facility than circuit switching for bursty data traffic. • Two types of packet switching: – Datagram (such as t ...
... been the dominant technology for voice communications. — Since 1970, packet switching has evolved substantially for digital data communications. It was designed to provide a more efficient facility than circuit switching for bursty data traffic. • Two types of packet switching: – Datagram (such as t ...
15-441 Lecture 5
... •Stop and wait flow control results in poor throughput for long-delay paths: packet size/ roundtrip-time. •Solution: receiver provides sender with a window that it can fill with packets. – The window is backed up by buffer space on receiver – Receiver acknowledges the a packet every time a packet is ...
... •Stop and wait flow control results in poor throughput for long-delay paths: packet size/ roundtrip-time. •Solution: receiver provides sender with a window that it can fill with packets. – The window is backed up by buffer space on receiver – Receiver acknowledges the a packet every time a packet is ...
Introduction to Networking & telecommunications
... Have to pay for it whether you use it or not Good for voice, because conversations are fairly constant Bad for data, because most data transmission is bursty; e.g., in World Wide Web, download, then stare at screen for a long time until next download ...
... Have to pay for it whether you use it or not Good for voice, because conversations are fairly constant Bad for data, because most data transmission is bursty; e.g., in World Wide Web, download, then stare at screen for a long time until next download ...
Lesson 5 - The Data Link Layer
... receiver at the other end of the link. Many link -layer protocols have been designed for point -to -point links;PPP (the point-to-point protocol) and HDLC are two such protocols. The second type of link, a broadcast link, can have multiple sending and receiving nodes all connected to the same, singl ...
... receiver at the other end of the link. Many link -layer protocols have been designed for point -to -point links;PPP (the point-to-point protocol) and HDLC are two such protocols. The second type of link, a broadcast link, can have multiple sending and receiving nodes all connected to the same, singl ...
ppt - Carnegie Mellon School of Computer Science
... » It would be hard to mix and match layers from independent implementations, e.g., windows network apps on unix (w/out ...
... » It would be hard to mix and match layers from independent implementations, e.g., windows network apps on unix (w/out ...
Collecting Information to Visualize Network Status
... – Reporting events and troubleshooting – Reduction in operational cost ...
... – Reporting events and troubleshooting – Reduction in operational cost ...
MultimediaNetworking
... Principle 3: Link scheduling While providing isolation, it is desirable to use resources as efficiently as possible E.g., weighted fair queuing or round-robin scheduling ...
... Principle 3: Link scheduling While providing isolation, it is desirable to use resources as efficiently as possible E.g., weighted fair queuing or round-robin scheduling ...
PPT - Computer Sciences User Pages
... Routers: cisco, juniper etc. Network App: Email, AIM, IE etc. Application ...
... Routers: cisco, juniper etc. Network App: Email, AIM, IE etc. Application ...
Wireless Communications and Networks
... Some nodes connect only to other nodes (e.g., 5 and 7) Some nodes connect to one or more stations Node-node links usually multiplexed links Frequency-division multiplexing (FDM) Time-division multiplexing (TDM) Not a direct link between every node pair ...
... Some nodes connect only to other nodes (e.g., 5 and 7) Some nodes connect to one or more stations Node-node links usually multiplexed links Frequency-division multiplexing (FDM) Time-division multiplexing (TDM) Not a direct link between every node pair ...
Chapter 5 : The Internet: Addressing & Services
... The World Wide Web Concept proposed by Tim Berners-Lee in 1989, prototype WWW developed at CERN in 1991 First graphical browser (Mosaic) developed by Mark Andreessen at NCSA Client-server system with browsers as clients, and a variety of media types stored on servers Uses HTTP (hyper text trans ...
... The World Wide Web Concept proposed by Tim Berners-Lee in 1989, prototype WWW developed at CERN in 1991 First graphical browser (Mosaic) developed by Mark Andreessen at NCSA Client-server system with browsers as clients, and a variety of media types stored on servers Uses HTTP (hyper text trans ...
05. Example Networks..
... compatible with it), and operates at a maximum physical layer bit rate of 54 Mbit/s (about 22 Mbit/s average throughput 802.11n – adds the Multiple input Multiple output antennas standard, operates at a maximum net data rate from 54 Mbits/s to 600 Mbits/s Theoretically, one of the latest specificati ...
... compatible with it), and operates at a maximum physical layer bit rate of 54 Mbit/s (about 22 Mbit/s average throughput 802.11n – adds the Multiple input Multiple output antennas standard, operates at a maximum net data rate from 54 Mbits/s to 600 Mbits/s Theoretically, one of the latest specificati ...
SUPA - IETF
... high-level (abstracted) one: in the case of a certain event occurs, the adjustment on some objects is needed. E.g., if bandwidth capacity in the link is larger than 80%, detour the traffic flow to other link, like (a) in the figure. ...
... high-level (abstracted) one: in the case of a certain event occurs, the adjustment on some objects is needed. E.g., if bandwidth capacity in the link is larger than 80%, detour the traffic flow to other link, like (a) in the figure. ...
Data Set 3
... Summary of Single-Hop Delay • Packet size is a major factor • Non-work-conserving behavior of a router is a main cause behind large delay (> 1ms) ...
... Summary of Single-Hop Delay • Packet size is a major factor • Non-work-conserving behavior of a router is a main cause behind large delay (> 1ms) ...
Document
... Summary of Single-Hop Delay • Packet size is a major factor • Non-work-conserving behavior of a router is a main cause behind large delay (> 1ms) ...
... Summary of Single-Hop Delay • Packet size is a major factor • Non-work-conserving behavior of a router is a main cause behind large delay (> 1ms) ...
Lecturing Notes 1
... – Refer to a set of techniques to detect and correct data losses – Two levels of error control » Bit-level: inversion of 0 bit to 1, or 1 bit to 0, also called bit corruption => often occur over the mobile and wireless networks » Packet-level: packet loss, duplications, reordering => often occur and ...
... – Refer to a set of techniques to detect and correct data losses – Two levels of error control » Bit-level: inversion of 0 bit to 1, or 1 bit to 0, also called bit corruption => often occur over the mobile and wireless networks » Packet-level: packet loss, duplications, reordering => often occur and ...
NAME: NWOSU CHIOMA GLORY LEVEL:100 COLLEGE: LAW
... their Operating System to identify neighbouring routers and their network addresses such as IP addresses. GATEWAY: These are interface networks that use different protocols. Think of a gateway as a router that includes protocol translators. Gateways and routers are often used interchangeably but onl ...
... their Operating System to identify neighbouring routers and their network addresses such as IP addresses. GATEWAY: These are interface networks that use different protocols. Think of a gateway as a router that includes protocol translators. Gateways and routers are often used interchangeably but onl ...
FA 01: Intelligence agencies target information highways Submarine
... First, a global network of high performance cables was rolled out. Now, further cables will be installed, to bypass the USA and its control of data flows. The cable market remains on the move, even though the reasons are unfortunate. In Europe, the spy scandal has meanwhile given birth to the idea o ...
... First, a global network of high performance cables was rolled out. Now, further cables will be installed, to bypass the USA and its control of data flows. The cable market remains on the move, even though the reasons are unfortunate. In Europe, the spy scandal has meanwhile given birth to the idea o ...
Wireless data transfer Open platform for M2M systems Product portfolio comander amiROUTER
... Optional backup transmission channel with support for static IP addressing independent of the radio link (vROUTER application). Powerful feature set to support electricity meters and data concentrators (including time synchronization and automatic protocol recognition). Compliance with indu ...
... Optional backup transmission channel with support for static IP addressing independent of the radio link (vROUTER application). Powerful feature set to support electricity meters and data concentrators (including time synchronization and automatic protocol recognition). Compliance with indu ...
ppt - Rob Sherwood
... • services that require changes to switches and routers • e.g., o routing protocols o traffic monitoring services o IP mobility ...
... • services that require changes to switches and routers • e.g., o routing protocols o traffic monitoring services o IP mobility ...
Ch01
... — For terminal connection, may be idle most of the time — Delay prior to data transfer for call establishment — Once circuit established, network transparent to users — Data transmitted at fixed rate ...
... — For terminal connection, may be idle most of the time — Delay prior to data transfer for call establishment — Once circuit established, network transparent to users — Data transmitted at fixed rate ...
Introducing Information Technologies in a hospital
... Implementation requires involvement of all level employees Real gain is only achieved if all IS users know and want to use possibilities given by IS The result of IS implementation is reorganization of the functioning of hospital ...
... Implementation requires involvement of all level employees Real gain is only achieved if all IS users know and want to use possibilities given by IS The result of IS implementation is reorganization of the functioning of hospital ...