Network layer
... Protocols: abstract objectives that make up the layers of a network system Protocol provides a communication service that higherlevel objects use to exchange messages Each protocol defines two different interfaces: Service interface to other objects on the same computer Peer interface to a ...
... Protocols: abstract objectives that make up the layers of a network system Protocol provides a communication service that higherlevel objects use to exchange messages Each protocol defines two different interfaces: Service interface to other objects on the same computer Peer interface to a ...
foundationsChap1
... Data link layer collects bits into frames ◦ NIC and drivers typically implement this ...
... Data link layer collects bits into frames ◦ NIC and drivers typically implement this ...
View/Open
... Frame loss occurs when one or more frame of data travelling across a computer network fail to reach their destination. This frame loss can be caused by a number of factors including signal degradation over the network medium due to multi-path fading, packet drop because of channel congestion , corru ...
... Frame loss occurs when one or more frame of data travelling across a computer network fail to reach their destination. This frame loss can be caused by a number of factors including signal degradation over the network medium due to multi-path fading, packet drop because of channel congestion , corru ...
Infostations: A New Design for Wireless Computing
... • Slot Allocation Algorithm: When a mobile with higher priority arrive, assign it most of the channel resources. Otherwise provide fair service. • TDMA/TDD configuration: A frame consist of a number of time slot and each slot can carry one packet • Reservation and Transmission: • Look for beacons • ...
... • Slot Allocation Algorithm: When a mobile with higher priority arrive, assign it most of the channel resources. Otherwise provide fair service. • TDMA/TDD configuration: A frame consist of a number of time slot and each slot can carry one packet • Reservation and Transmission: • Look for beacons • ...
lecture1-stu
... On-demand (not predetermined) time-division Schedule link on a basis (fairness): FIFO, Round-robin… ...
... On-demand (not predetermined) time-division Schedule link on a basis (fairness): FIFO, Round-robin… ...
No Slide Title
... Whether sent one-by-one as they are generated, or sent line-by-line as each line is completed, each character is framed by a start bit (0) and a stop bit (1) Synchronous (Message Framed ) Transmission: Such transmission is message framed and overcome the inefficiencies of asynchronous, start-sto ...
... Whether sent one-by-one as they are generated, or sent line-by-line as each line is completed, each character is framed by a start bit (0) and a stop bit (1) Synchronous (Message Framed ) Transmission: Such transmission is message framed and overcome the inefficiencies of asynchronous, start-sto ...
LAN design issues
... Some applications may not tolerate high latency, timeout and re-transmissions will occur increasing the problem ...
... Some applications may not tolerate high latency, timeout and re-transmissions will occur increasing the problem ...
Review of IP protocol
... more efficient error control & smaller retransmission units fairer access to shared facilities smaller buffers ...
... more efficient error control & smaller retransmission units fairer access to shared facilities smaller buffers ...
An Intelligent Patient Monitoring System for Hospital ICUs
... • Displays the most recent readings from all of a node’s sensors • SnapshotScreen ...
... • Displays the most recent readings from all of a node’s sensors • SnapshotScreen ...
Steganography - University of Wisconsin–La Crosse
... Hiding data on the network in case of a Better to understand and effectively breach use standardized encryption Table from ComputerWorld, 2002 ...
... Hiding data on the network in case of a Better to understand and effectively breach use standardized encryption Table from ComputerWorld, 2002 ...
Chapter 3 Data Link Layer
... Full duplex: both can send at the same time, no problem with media access Half duplex: data can only travel one way at a time so one device can send at a time. Simple media access control. 25-May-17 ...
... Full duplex: both can send at the same time, no problem with media access Half duplex: data can only travel one way at a time so one device can send at a time. Simple media access control. 25-May-17 ...
OSI Model - DePaul University
... you decide to break it up into multiple domains and use a router to connect the domains. As soon as you disconnect the networks, even with the router running properly, you can’t get data between networks. You are using four Windows NT servers (one in each subnetwork) running on Ethernet with NetBEUI ...
... you decide to break it up into multiple domains and use a router to connect the domains. As soon as you disconnect the networks, even with the router running properly, you can’t get data between networks. You are using four Windows NT servers (one in each subnetwork) running on Ethernet with NetBEUI ...
Using Information Technology to Reduce Traffic Jam in a Highly
... Find causes and characteristics of a traffic jam Use cluster data mining Use classification data mining Use data mining software ...
... Find causes and characteristics of a traffic jam Use cluster data mining Use classification data mining Use data mining software ...
ppt
... to increase chance of delivery • Same number of bytes flowing in the network, now in the form of coded blocks • Partial data arrival can be used to reconstruct the ...
... to increase chance of delivery • Same number of bytes flowing in the network, now in the form of coded blocks • Partial data arrival can be used to reconstruct the ...
![powerpoint [] slides](http://s1.studyres.com/store/data/008738881_1-8dac6a0c3ff5354a4b6e60287b1f06e8-300x300.png)
powerpoint [] slides
... service from always-on server e.g. Web browser/server; email client/server ...
... service from always-on server e.g. Web browser/server; email client/server ...
researchtalk2004
... broadcast, reply along the reverse path may be multiple routes to a destination: using all of them in turn provides load balancing, redundancy, and reliability put routes on probation if they fail: keep trying them for a little while ...
... broadcast, reply along the reverse path may be multiple routes to a destination: using all of them in turn provides load balancing, redundancy, and reliability put routes on probation if they fail: keep trying them for a little while ...
ht-7 asipp
... VPP(VXI Plug & Play) hardware layer, we need not direct visit the VXI hardware but use VISA(Virtual Instrument Software Architecture) database to achieve its control and so on. HP Corp VISA database provides VISA DLL、LIB document and some C program head file and those all can be direct used by Visua ...
... VPP(VXI Plug & Play) hardware layer, we need not direct visit the VXI hardware but use VISA(Virtual Instrument Software Architecture) database to achieve its control and so on. HP Corp VISA database provides VISA DLL、LIB document and some C program head file and those all can be direct used by Visua ...
Slide 1
... communications introduced in the mid 1970’s by the ITU-T. X.21 was first introduced as a means to provide a digital signaling interface for telecommunications between carriers and customer’s equipment. This includes specifications for DTE/DCE physical interface elements, alignment of call control ch ...
... communications introduced in the mid 1970’s by the ITU-T. X.21 was first introduced as a means to provide a digital signaling interface for telecommunications between carriers and customer’s equipment. This includes specifications for DTE/DCE physical interface elements, alignment of call control ch ...
network-performance
... decide where to send the packet (e.g. a routing decision) Inside a router this depends on the number of entries in the routing table, the implementation of data structures, hardware in use, etc. ...
... decide where to send the packet (e.g. a routing decision) Inside a router this depends on the number of entries in the routing table, the implementation of data structures, hardware in use, etc. ...
Helicomm Hypercompetes in M2M
... globally for human use. In that same year, over 8 billion embedded microcontrollers shipped for machine use. Machine-to-machine communication relies upon collecting and communicating data with embedded systems, (embedded systems are computer chips within machine devices.) In many remote monitoring a ...
... globally for human use. In that same year, over 8 billion embedded microcontrollers shipped for machine use. Machine-to-machine communication relies upon collecting and communicating data with embedded systems, (embedded systems are computer chips within machine devices.) In many remote monitoring a ...
Networking
... Traditional (10Base-T) Ethernet networks run at 10 Mbps; newer 100 Mbps and 1 Gbps versions are now available. ...
... Traditional (10Base-T) Ethernet networks run at 10 Mbps; newer 100 Mbps and 1 Gbps versions are now available. ...
Chapter 6
... • A transparent bridge automatically initializes itself and configures its own routing information after it has been enabled • Since bridges buffer frames, it is possible to interconnect different segments which use different MAC protocols • Subdividing the LAN into smaller segments, increases overa ...
... • A transparent bridge automatically initializes itself and configures its own routing information after it has been enabled • Since bridges buffer frames, it is possible to interconnect different segments which use different MAC protocols • Subdividing the LAN into smaller segments, increases overa ...
chap01 - cknuckles
... Transport Layer -- End-to-End Service • Transmission Control Protocol (TCP) -- Divides data into packets, verifies arrival on the other end, puts packets back together. TCP connections between two computers called sockets. • User Datagram Protocol (UDP) -- No guarantee of delivery, often single pac ...
... Transport Layer -- End-to-End Service • Transmission Control Protocol (TCP) -- Divides data into packets, verifies arrival on the other end, puts packets back together. TCP connections between two computers called sockets. • User Datagram Protocol (UDP) -- No guarantee of delivery, often single pac ...