The Effectiveness of Checksums for Embedded Control Networks
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computer science topics
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#1
02-07-2010, 06:15 PM


The Effectiveness of Checksums for Embedded Control Networks

Abstract

Embedded control networks commonly use checksums to detect data transmission errors. However, design decisions about which checksum to use are difficult because of a lack of information about the relative effectiveness of available options


A study of error detection capabilities for random independent bit errors and burst errors reveals that the XOR, twoâ„¢s complement addition, and Adlerchecksums are suboptimal for typical network use. Instead, oneâ„¢s complement addition should be used for networks willing to sacrifice error detection effectiveness to reduce computational cost, the Fletcher checksum should be used for networks looking for a balance between error detection and computational cost, and CRCs should be used for networks willing to pay a higher computational cost for significantly improved error detection.

Existing System:










Proposed System:


We proposed the error detection effectiveness of the following commonly used checksum computations: exclusive or (XOR), twoâ„¢s complementaddition, oneâ„¢s complement addition, Fletcher checksum, Adler checksum, and cyclic redundancy codes (CRCs).



Hardware Requirements

¢ SYSTEM : Pentium IV 2.4 GHz
¢ HARD DISK : 40 GB
¢ FLOPPY DRIVE : 1.44 MB
¢ MONITOR : 15 VGA colour
¢ MOUSE : Logitech.
¢ RAM : 256 MB
¢ KEYBOARD : 110 keys enhanced.

Software Requirements


¢ Operating system :- Windows XP Professional
¢ Front End :- Java Technology
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Anupam Singh
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#2
09-08-2010, 12:20 PM

Hello sir/madam
i m a student of MscComputer science.I want to make a project and implimentation based on embedded systems i.e it must include software and hardwre but not databases plese help me to find topics for the same.
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