Chapter 15
... The Open Systems Interconnection (OSI) Reference Model has (Physical Layer, Data Link Layer, Network layer, Transport layer, Session layer, Presentation layer, Application layer) ...
... The Open Systems Interconnection (OSI) Reference Model has (Physical Layer, Data Link Layer, Network layer, Transport layer, Session layer, Presentation layer, Application layer) ...
DATA COMMUNICATION AND NETWORKS
... When a datalink control protocol is used the transmission medium between systems is referred to as a datalink. 57. What is the main function of datalink layer? The datalink layer transforms the physical layer, a raw transmission facility to a reliable link and is responsible for node to node deliver ...
... When a datalink control protocol is used the transmission medium between systems is referred to as a datalink. 57. What is the main function of datalink layer? The datalink layer transforms the physical layer, a raw transmission facility to a reliable link and is responsible for node to node deliver ...
slides - Fei Hu
... functions in Data Link Layer? • (most important) channel access: channel access if shared medium • Framing, – encapsulate datagram into frame, adding header, trailer – ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
... functions in Data Link Layer? • (most important) channel access: channel access if shared medium • Framing, – encapsulate datagram into frame, adding header, trailer – ‘physical addresses’ used in frame headers to identify source, dest • different from IP address! ...
Ch02
... Need For Protocol Architecture • E.g. File transfer —Source must activate communication path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his u ...
... Need For Protocol Architecture • E.g. File transfer —Source must activate communication path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his u ...
Chapter 4 : TCP/IP and OSI
... Easier application development Network can change without all programs being modified ...
... Easier application development Network can change without all programs being modified ...
Lecture 8 - cda college
... usefulness of the application. The image in a streaming video would be greatly degraded if the destination device had to account for lost data and delay the stream while waiting for its ...
... usefulness of the application. The image in a streaming video would be greatly degraded if the destination device had to account for lost data and delay the stream while waiting for its ...
No Slide Title
... Packet-switching Connectionless Unreliable Best-effort delivery Depends on TCP to provide error checking and reliability ...
... Packet-switching Connectionless Unreliable Best-effort delivery Depends on TCP to provide error checking and reliability ...
Slide 1
... length of the Address field, and hence of the of the DLCI, is determined by the address field extension (EA) bits. The C/R bit is application specific and not used by the standard frame relay protocol. The remaining bits in the address field have to do with congestion control. ...
... length of the Address field, and hence of the of the DLCI, is determined by the address field extension (EA) bits. The C/R bit is application specific and not used by the standard frame relay protocol. The remaining bits in the address field have to do with congestion control. ...
Data Link Layer
... Responsible for establishing and maintaining communications between two nodes on the network Allows applications on separate computers to share a connection (called a session) Provides data synchronization and checkpointing so that if there is a network failure only the data sent after the checkpoin ...
... Responsible for establishing and maintaining communications between two nodes on the network Allows applications on separate computers to share a connection (called a session) Provides data synchronization and checkpointing so that if there is a network failure only the data sent after the checkpoin ...
Slide 1
... Choose the path that packets take around the network Packets are given a time to live (TTL) to prevent them travelling for ever ...
... Choose the path that packets take around the network Packets are given a time to live (TTL) to prevent them travelling for ever ...
Introduction
... collection of hardware components and computers interconnected by communication channels that allow sharing of resources and information.[1] Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, ...
... collection of hardware components and computers interconnected by communication channels that allow sharing of resources and information.[1] Where at least one process in one device is able to send/receive data to/from at least one process residing in a remote device, ...
Introduction to Data Communications
... message is meant for the system or if it needs to be redirected to its final destination. This is done by a header system, which is programmed to accept or reject depending if the header is the one used by the network. LAYER 2– DATA LINK There is where a check of the message occurs. That is the mess ...
... message is meant for the system or if it needs to be redirected to its final destination. This is done by a header system, which is programmed to accept or reject depending if the header is the one used by the network. LAYER 2– DATA LINK There is where a check of the message occurs. That is the mess ...
Part I: Introduction - University of Pittsburgh
... How it works? Where is it useful? NAT Pros. and Cons. ...
... How it works? Where is it useful? NAT Pros. and Cons. ...
Exploring the network
... Ethernet is 100Mbps Throughput is 85Mbps If traffic overhead is 15Mbps, then goodput is 70Mbps ...
... Ethernet is 100Mbps Throughput is 85Mbps If traffic overhead is 15Mbps, then goodput is 70Mbps ...
ADSL Network - Binus Repository
... that have been preconfigured by the carrier are used. • Virtual circuits may be established dynamically by sending signaling messages to the network. In this case they are called switched virtual circuits (SVCs). ...
... that have been preconfigured by the carrier are used. • Virtual circuits may be established dynamically by sending signaling messages to the network. In this case they are called switched virtual circuits (SVCs). ...
ModuleONEandTWO
... 1990- Modem speeds reached 9600bps and by 1998, the standard of dialup became 56kbps. In the 21st century, much higher speeds were capable with the introduction of cable and DSL lines. ...
... 1990- Modem speeds reached 9600bps and by 1998, the standard of dialup became 56kbps. In the 21st century, much higher speeds were capable with the introduction of cable and DSL lines. ...
Network and Telecommunications
... Devices are called nodes Connectivity = the ability to transmit data between devices at different locations Switching = the process of directing a signal from its source to its destination ...
... Devices are called nodes Connectivity = the ability to transmit data between devices at different locations Switching = the process of directing a signal from its source to its destination ...
Key Terms
... • A connectivity device that logically subdivides a network into smaller, individual collision domains. • A switch operates at the Data Link Layer of the OSI Model and can interpret MAC address information to determine whether to filter or forward packets it receives. • Each port acts like a bridge. ...
... • A connectivity device that logically subdivides a network into smaller, individual collision domains. • A switch operates at the Data Link Layer of the OSI Model and can interpret MAC address information to determine whether to filter or forward packets it receives. • Each port acts like a bridge. ...
The Network Layer
... Fragmentation when the elementary data size is 1 byte. (a) Original packet, containing 10 data bytes. (b) Fragments after passing through a network with maximum packet size of 8 payload bytes plus header. (c) Fragments after passing through a size 5 gateway. ...
... Fragmentation when the elementary data size is 1 byte. (a) Original packet, containing 10 data bytes. (b) Fragments after passing through a network with maximum packet size of 8 payload bytes plus header. (c) Fragments after passing through a size 5 gateway. ...
