Shortest path - network layer and routing , Computer Networking

Shortest path

 The  dijkstra algorithms  four steps to discover what it called  the shortest path  tree .

a.The algorithm  beings  to build  the tree identifying  its root. The root  of each router tree is the  router itself. The algorithm them attaches all nodes  that can  be reached from that  root in other words. All of the other neighbour  nodes and are  are temporary at this step.

b.The algorithm compares the tree temporary acres and identifies the are with the  lowest  commutative cost. This are and the node to which it  connecters are now a permanent part of  shortest path  tree.

c.The  algorithm examines the database  and identifies every node that  can be  reached from it  chosen  node. These nodes  and their  arcs are added temporarily to the tree.

d.The last  two  steps  are repeated until every node  in the network  has become  a permanent part of the tree. The only  permanent  arcs are those  that represent the shortest route to every  node.

The cost number  next to  each node  represents the cumulative cost  from  the root  node  not the cost of the individual arc. The second  third  steps  repeated until  four more  nodes  have  becomes  permanent.

 

Posted Date: 3/16/2013 3:24:10 AM | Location : United States







Related Discussions:- Shortest path - network layer and routing , Assignment Help, Ask Question on Shortest path - network layer and routing , Get Answer, Expert's Help, Shortest path - network layer and routing Discussions

Write discussion on Shortest path - network layer and routing
Your posts are moderated
Related Questions
categories of LAN

Q. Fiber-Optic Cable as transmission media? - Made of glass signals are transmit like light pulses from an LED or laser - Light is as well a form of electromagnetic energy

In order to limit the quantity of numbers that a system administrator has to enter, Cisco can use which abbreviation to show 0.0.0.0?  Ans) Cisco uses host to state 0.0.0.0. Thi

Network Criteria - Performance - It is able to be measured by transit time and response time. Affected by type of medium, number of users and connected HW/SW - Reliability


Which protocol comes under Hybrid dynamic type? Ans)  EIGRP (ENHANCED INTERIOR GATEWAY ROUTING PROTOCOL) comes under hybrid dynamic.

Transition Phases A PPP connection goes through phases  which can be  shown in a transition phase . Dead: In  the dead phase  the link is not  being used. There is  no ac

The bitonic sorting network needed log n number of stages for performing the task of sorting the list. The first n-1 stages of the circuit are able to sort two n/2 numbers and the

What are the Communication tools ? Voice mail ? Email ? Fax ? Video conferencing applications

Questions: 1. A 5V Zener diode has a maximum power dissipation of 2W. What is the maximum current that can be safely passed through the device? 2. List three properties of a