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This Assignment is the continuation of First Assignment. Take same case study given in Assignment 1 (also provided at the end of this assignment); apply the techniques and methods from lectures (7-13) in order to finalize the tasks of second assignment listed below in task description.
Please refer to the case study given in assignment no. 1 as well as to the solution of assignment 1.
Note: Same case study is also given at the end of this assignment for your convenience.
In this assignment you will focus on the task given below:
Draw a comprehensive ER-diagram along with their relationships and cardinalities.
You have to perform all the necessary steps that are included in the above task in your solution file.
Drawing Final ER Data Model:
You can use any tool for drawing like MS Office or Visio.
Important things to consider:
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 address and some other information. Each packet is sent on one of the route based on the source destination address. There can be several hopes around one route. Every route is assigned a weight based on some pre defined rule.
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helo mjy word ma ERD model chaheye.....
Draw this diagram in paint misbah dearrrrrrrrrrr
thanx dear me also done assignment & takriban same ha
agr ksi ny krli hato snd krdyn as an idea.
ansari bhai apna asmnt soln send kren as an idea k only diagram hi bnani ha ya theoryb add krni ha..
yar us ka solution to post kar do
i need also
yahan jo solution ha wo bilkul ko thek ha me na us ko hi flow kia ha