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Design and simulation of a flash translation layer algorithm
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index.pdf
Date
2010
Author
Ayar, Yusuf Yavuz
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Flash Memories have been widely used as a storage media in electronic devices such as USB flash drives, mobile phones and cameras. Flash Memory offers a portable and non-volatile de- sign, which can be carried to everywhere without data loss. It is durable against temperature and humidity. With all these advantages, Flash Memory gets popular day by day. However, Flash Memory has also some disadvantages, such as erase-before restriction and erase limi- tation of each individual block. Erase-before restriction pushes every single writable unit to be erased before an update operation. Another limitation is that every block can be erased up to a fixed number. Flash Translation Layer - FTL is the solution for these disadvantages. Flash Translation Layer is a software module inside the Flash Memory working between the operating system and the memory. FTL tries to reduce these disadvantages of Flash Memory via implementing garbage collector, address mapping scheme, error correcting and many oth- ers. There are various Flash Translation Layer software. Some of them have been reviewed in terms of their advantages and disadvantages. The study aims at designing, implementing and simulating a NAND type FTL algorithm.
Subject Keywords
Computer enginnering.
,
Computer software.
URI
http://etd.lib.metu.edu.tr/upload/12611995/index.pdf
https://hdl.handle.net/11511/19688
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Graduate School of Natural and Applied Sciences, Thesis
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Y. Y. Ayar, “Design and simulation of a flash translation layer algorithm,” M.S. - Master of Science, Middle East Technical University, 2010.
