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In OSI 7 layer model, a header, or possibly a trailer, can be added to the data unit at each layerI 7 layer, but we will define a simple virtual packet which contains only 8bit data value without any header and trailer
Each packet contains one pixel information of the lenna256 image. We defined the 3 structures in "CPacketStruct.h" to express a packet as bit stream. Left structure is defined for bit stream for error detection code and right structure is defined for bit stream for error correction code. There is additional bit stream without any code, and the data structure of bit stream with no code is same as the Packet structure in "CPacketStruct.h"
typedef struct {
BIT dat1[5];
BIT dat2[5];
} EDBitStream;
BIT dat1[7];
BIT dat2[7];
} ECBitStream;
Fig. Bit stream structure
One pixel data is represented with 8 digits, and each 4 digits are divided into dat1, and dat2. In bit streams for error detection
Ex) 1 Pixel data = 100010012
Normal Packet
(Packet is not encoded)
Encoded Packet by Parity Bit
Encoded Packet by hamming code
[1000 1001]
[Pixel Data ]
[10001 10010 ]
[ (1000)+Parity || (1001) +Parity ]
[1101000 0111001 ]
[ (1000)* G || (1001) * G ]
In Packet structure,
NCBitStream
In EDBitStream Structure
In ECBitStream Structure
I have a project on Information Communication Technology(I.C.T). So sir I want to know that what is internet? and how it works?
Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to
Reliable Data Transfer Figure illustrate the framework for reliable transfer. The service abstraction provided to the upper layer entities is that of a reliable channel
Burn in Address other name is MAC address
Can you describe the concept of DHCP?
Use Packet Tracer software to model the network that you have designed, and configure the network to make sure it is running properly. The following requirements should be met:
CAM- Content Address Memory. Its another name of MAC address table.
How are routing neighbors discovered in BGP?
What is Error Detection? What are its methods? Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses
In connectionless schema, there is no connection required. The source of data includes destination information in data and transmit to the network. Network transmit each data item
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