Wireless and Mobile Networks
... 1 if sense channel idle for DIFS then transmit entire frame (no CD) 2 if sense channel busy then start random backoff time timer counts down while channel idle transmit when timer expires if no ACK, increase random backoff interval, repeat 2 ...
... 1 if sense channel idle for DIFS then transmit entire frame (no CD) 2 if sense channel busy then start random backoff time timer counts down while channel idle transmit when timer expires if no ACK, increase random backoff interval, repeat 2 ...
Internet Quality of Service
... cause imbalance of network load since it use the shortest path T ...
... cause imbalance of network load since it use the shortest path T ...
View
... • Examples of media: – Copper wire media (twisted pair and coaxial cable) – Fiber optic cable – Atmosphere or space propagation ...
... • Examples of media: – Copper wire media (twisted pair and coaxial cable) – Fiber optic cable – Atmosphere or space propagation ...
ppt
... • Do not use classes to determine network ID • Use common part of address as network number • E.g., addresses 192.4.16 - 192.4.31 have the first 20 bits in common. Thus, we use these 20 bits as the network number 192.4.16/20 ...
... • Do not use classes to determine network ID • Use common part of address as network number • E.g., addresses 192.4.16 - 192.4.31 have the first 20 bits in common. Thus, we use these 20 bits as the network number 192.4.16/20 ...
ppt
... The Internetworking Problem Two nodes communicating across a “network of networks”… – How to send packets through this strange medium ? A ...
... The Internetworking Problem Two nodes communicating across a “network of networks”… – How to send packets through this strange medium ? A ...
Week_Twelve_ppt - Franklin University Computing Sciences
... To setup a VoIP communication we need the do the following: • The ADC (Analog to Digital Converter) converts analog voice to digital signals (bits) • The voice data is compressed to send the fewest number of bits while still retaining the original information (Codec) • Voice packets are sent using a ...
... To setup a VoIP communication we need the do the following: • The ADC (Analog to Digital Converter) converts analog voice to digital signals (bits) • The voice data is compressed to send the fewest number of bits while still retaining the original information (Codec) • Voice packets are sent using a ...
The Transport Layer - CIS @ Temple University
... network. The end-user cannot control what is in the network. So the end-user establishes another layer, only at end hosts, to provide a transport service that is more reliable than the underlying network service. 2. While the network layer deals with only a few transport entities, the transport laye ...
... network. The end-user cannot control what is in the network. So the end-user establishes another layer, only at end hosts, to provide a transport service that is more reliable than the underlying network service. 2. While the network layer deals with only a few transport entities, the transport laye ...
An Auditory System Modeling in Sound Source Localization
... The auditory pathway is conventionally thought to be composed of a cascade of subsystems. Depending on the decision making at the final stage, there are two categories in general: neural network model and probabilistic estimator model. An exemplary neural network model is a three-layer feedforward n ...
... The auditory pathway is conventionally thought to be composed of a cascade of subsystems. Depending on the decision making at the final stage, there are two categories in general: neural network model and probabilistic estimator model. An exemplary neural network model is a three-layer feedforward n ...
COMP 2122 Assignment 2
... which lines to expect data A crossover cable so that data sent by one computer on its output lines is placed on the input lines of the other computer A crossover cable so that data can cross over directly from one computer to the other ...
... which lines to expect data A crossover cable so that data sent by one computer on its output lines is placed on the input lines of the other computer A crossover cable so that data can cross over directly from one computer to the other ...
lecture02-swtching
... Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. Since packets are treated independently, it is possible to route around link and node failures. Since every packet must carry the full address of the destination, the overhead ...
... Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. Since packets are treated independently, it is possible to route around link and node failures. Since every packet must carry the full address of the destination, the overhead ...
Transport layer
... Internet Software Layers Transport layer divides long messages into small segments, which are transmitted over the Internet as individual units. The transport layer adds sequence numbers to the small segments, so that segments can be reassembled at the message’s destination, then it hands these s ...
... Internet Software Layers Transport layer divides long messages into small segments, which are transmitted over the Internet as individual units. The transport layer adds sequence numbers to the small segments, so that segments can be reassembled at the message’s destination, then it hands these s ...
- Veer Surendra Sai University of Technology
... Advantages of a bus topology include ease of installation. Backbone cable can be laid along the most efficient path, then connected to the nodes by drop lines of various lengths. In this way, a bus uses less cabling than mesh or star topologies. In a star, for example, four network devices in the s ...
... Advantages of a bus topology include ease of installation. Backbone cable can be laid along the most efficient path, then connected to the nodes by drop lines of various lengths. In this way, a bus uses less cabling than mesh or star topologies. In a star, for example, four network devices in the s ...
Introduction
... occur and may cause delay in the communication 4.6 Master Station / Control Centre The Master Station is in charge of collecting information gathered by the RTU and of generating necessary action for any event detected. The master station can have a single computer configuration or it can be network ...
... occur and may cause delay in the communication 4.6 Master Station / Control Centre The Master Station is in charge of collecting information gathered by the RTU and of generating necessary action for any event detected. The master station can have a single computer configuration or it can be network ...
Lab I: Internet services. Telnet (SSH), E
... The purpose of the Internet layer is to divide TCP segments into packets and send them from any network. The packets arrive at the destination network independent of the path they took to get there. The specific protocol that governs this layer is called the Internet Protocol (IP). Best path determi ...
... The purpose of the Internet layer is to divide TCP segments into packets and send them from any network. The packets arrive at the destination network independent of the path they took to get there. The specific protocol that governs this layer is called the Internet Protocol (IP). Best path determi ...
Lecture 6
... • Because the TOTAL LENGTH field is 16 bits long, the maximum possible size of an IP datagram is 216 or 65,535 octets. • This may become more important in the future if higher speed networks can carry data packets larger than 65,535 octets. ...
... • Because the TOTAL LENGTH field is 16 bits long, the maximum possible size of an IP datagram is 216 or 65,535 octets. • This may become more important in the future if higher speed networks can carry data packets larger than 65,535 octets. ...
Figure 2-1
... Figure 2-10: Internet and Data Link Layers in an Internet • Internet and Transport Layers – An internet is a group of networks connected by routers so that any application on any host on any network can communicate with any application on any other host on any other network – Internet and transport ...
... Figure 2-10: Internet and Data Link Layers in an Internet • Internet and Transport Layers – An internet is a group of networks connected by routers so that any application on any host on any network can communicate with any application on any other host on any other network – Internet and transport ...
Module 10 - Home - KSU Faculty Member websites
... available path based on delay, bandwidth, load, and reliability. IGRP also has a much higher maximum hop count limit than RIP. – Enhanced IGRP (EIGRP) – This Cisco-proprietary IGP includes many of the features of a link-state routing protocol. EIGRP provides superior operating efficiency such as fas ...
... available path based on delay, bandwidth, load, and reliability. IGRP also has a much higher maximum hop count limit than RIP. – Enhanced IGRP (EIGRP) – This Cisco-proprietary IGP includes many of the features of a link-state routing protocol. EIGRP provides superior operating efficiency such as fas ...
No Slide Title
... circulates in the system (usually a ring structure) A site that wants to transmit information must wait until the token arrives When the site completes its round of message passing, it retransmits the token A token-passing scheme is used by some IBM and HP/Apollo systems Message slots - A nu ...
... circulates in the system (usually a ring structure) A site that wants to transmit information must wait until the token arrives When the site completes its round of message passing, it retransmits the token A token-passing scheme is used by some IBM and HP/Apollo systems Message slots - A nu ...
PPT
... Maximal Matching • A maximal matching is one in which each edge is added one at a time, and is not later removed from the matching. • i.e. no augmenting paths allowed (they remove edges added earlier). • No input and output are left unnecessarily idle. ...
... Maximal Matching • A maximal matching is one in which each edge is added one at a time, and is not later removed from the matching. • i.e. no augmenting paths allowed (they remove edges added earlier). • No input and output are left unnecessarily idle. ...