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Please carefully read the following instructions before attempting the assignment.



Your assignment must be uploaded before or on  May 2014.

Assignment 1 is Non Graded and Marks will not be included in the final grades.

Rules for Marking

It should be clear that your assignment will not get any credit if:

1. The assignment is submitted after due date

2. The assignment is copied

3. You are supposed to submit your assignment in .doc / Docx format. Any other formats like scan    images, PDF, Zip, rar, bmp etc will not be accepted.


For any query please contact: CS403@vu.edu.pk



The objective of this assignment is:

  • Giving the idea of entities and their attributes.





Case Study

Suppose we have a wireless ad hoc network. A wireless ad hoc network is a decentralized type of wireless network. The network is ad hoc because it does not rely on a pre existing infrastructure, such as routers in wired networks or access points in managed (infrastructure) wireless networks. Instead, each node participates in routing by forwarding data for other nodes, so the determination of which nodes forward data is made dynamically on the basis of network connectivity.

Nodes in the ad hoc network has unique id that identify it across the network. Each of the nodes uses a certain protocol.

Various protocols are used including aodv, dsdv, dsr etc. There are various version of a specific protocol. An ad hoc network typically refers to any set of networks where all devices have equal status on a network and are free to associate with any other ad hoc network device in link range.

Nodes in the ad hoc networks send packets to each other. Each packet has two parts namely: header and data. Header information contains source destination IP address and some other information. Every packet will leave for a certain time of period around the network called RTT (Round trip time).  Each packet is sent on one of the route based on the source destination address. There can be several hops around one route. Every route is assigned a weight based on some pre defined rule. 

Keeping in view the above scenario you are required to solve the following task(s).



In this assignment you will focus on the tasks given below:

Task#1: [Marks 15]

Identify all the Entities along with proper attributes.

You have to perform all these steps given above in your solution file.


Good Luck

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Replies to This Discussion

let's students for discussion

kuch samjh aya...... kya krna hy?

Kuch smjh ni aya 

Salam can any boy explain about enttities and attributes with exmpal

Please Discuss here about this assignment.Thanks

Our main purpose here discussion not just Solution

We are here with you hands in hands to facilitate your learning and do not appreciate the idea of copying or replicating solutions.


Solution dy do koi 


Dear Students Don’t wait for solution post your problems here and discuss ... after discussion a perfect solution will come in a result. So, Start it now, replies here give your comments according to your knowledge and understandings....

Question is that Identify all the Entities along with proper attributes,


Please can anybody tell that entities?

Its easy assignment, find attachment file and see cs403 helping material to solve this assignment 


An entity is a person,place,thing or event for which data is collected and maintained.
for example...a library system may contain data about different entities like BOOK and MEMBER.A college system may include entities like STUDENT,TEACHER and CLASS..



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