Packet switching

circuit-switching and packet-switching are methods of data communication between two parties. In circuit switching, both parties agree on a specific path which the data will travel along while the connection is open using a resource optimization algorithm before the transmission begins. The route is used exclusively for the entire session and only released when the session is terminated. In packet-switching, the path which the data takes is not predetermined but rather decided upon by the packets during

CHARLES STURT UNIVERSITY ASSIGNMENT-2 NAME: PILLELLA CHAITANYA STUDENT ID: 11568590 SUBJECT: COMPUTER NETWORKS INDEX QUESTION 1-------------------------------------------------------------PAGE 3 QUESTION 2-------------------------------------------------------------PAGE 3 QUESTION 3-------------------------------------------------------------PAGE 3 QUESTION 4-------------------------------------------------------------PAGE

network design than switched circuits both in terms of locations and the amount of capacity you purchase. With packet switched services, the user again buys a connection into the common carrier cloud. The user pays a fixed fee for the connection into the network depending upon the type and capacity of the service and is charged for the number of packets transmitted. 13. Distinguish among T1, T2, T3, and T4 circuits. T1 circuit is sometimes called a DS-1 circuit. It

startup messages with the help of Wireshark. Verify the reachability and then create a switch and this switch has a capability to learn about the source-port mapping. Whenever a packet arrives, if the mac address of the device is associated with any port then that packet is assigned to that particular port else the packet will be sent through out all the ports of the switch. Now extend the study to two switches with each switch having a single host and configure in a way, so that each switch

successful networking technologies in recent memory. This technology is known as Multiprotocol Label Switching, or MPLS. Inspired by Ipsilon Networks, developed by Cisco, and standardized by the IETF, this service has become a dominant competitor. Independent think-tank, Nemertes Research has estimated that nearly eighty five percent of companies are already using MPLS today. Multiprotocol Label switching works at layer 2 and is a new, alternative WAN service. Although it significantly differs from more

It can provide applications like Traffic Engineering, Quality of Service and Virtual Private Networks. The packets in MPLS are directed through the network based on an assigned label. The label is associated through the network with an assigned path which allows a higher level of control on the packets than in packet-switched networks. MPLS routing allow differing QoS characteristics and priorities to be assigned to particular data flows. Traffic Engineering explains

The natural forces that bring companies together are dissipating in the communications and information technologies industries. Core competencies that form much of the force of economies of scope are becoming increasingly narrowed and specialized, leading us to industry fragmentation in the information revolution contrasting against the industry consolidation that accompanied the industrial revolution. If we look behind the curtain of public policy dressed in its diverse laws and regulations, we

1) What are the two types of services that the Internet provides to its applications? What are some of characteristics of each of these services? a) connection-oriented service (TCP) and a connectionless service (UDP) are twoo types of services. characteristics of the connection-oriented service are: • Two end-systems first “handshake” before either starts to send application data to the other. • Provides reliable data transfer, i.e., all application data sent by one side of the

SUMMARY In this lab, we have set up switched LAN using two different switching devices i.e Switches and Hubs. Various performance metrics like throughput, collision count, traffic received, traffic sent and delay are analysed by implementing the network with and without switches. The network is then modified such that its maximum performance and efficiency is achieved. OBJECTIVE The main objective of this lab is to design a network with and without switches and examine the network’s parameters in

Software-Define Networking (SDN): SDN and Its Security Issues Sardar Ali alias shah Department of Computer Engineering Melbourne Institute of Technology Abstract - Nowadays, SDN is most emerging technology. It is one of the most promising area in which you easily depend on networking. It is going to virtualization to reality.SDN is basically separate the control plane and data plane physically. It is dynamically programmable that’s why they have more security issues if they have static programmable