Assignment
Consider a computer network of a social networking web site in which 7 routers are connected with each other using a dedicated wired point to point link. Each link is of 5 meters and cost of wire is 100 PKR per meter.
In view of the above scenario answer the following questions and provide yours to-the-point answers in respective tables.
- What will be the total number of links before and after adding this new router?
No. of Links before adding new router
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No. of Links after adding new router
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- What will be the total cost of wire before adding this new router and after adding this router?
Total cost of wire before adding new router
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Total cost of wire after adding new router
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Idea Solution :
Here 7 routers are given which are connected with a mesh topology, you have to find how many links they are connected through?
After:
and if you add one more router in the current mesh, how many links now you have to add?
use this formula:
no. of links= n(n-1)/2
where n = number of nodes
let us solve one as an example:
suppose we have 5 routers in a mesh and we have to find the number of links:
suppose we have 5 routers in a mesh and we have to find the number of links:
no. links= n(n-1)/2
= 5(5-1)/2 = 10 links
:)
