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Journal: International Journal of Computer Science and Mobile Computing - IJCSMC (Vol.3, No. 4)

Publication Date:

Authors : ; ;

Page : 1108-1115

Keywords : cryptography; encryption; decryption; data security; key; DSA; AES; STEGANOGRAPHY;

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Large scale distributed systems such as cloud computing applications are becoming very common. These applications come with increasing challenges- how to transfer, where to store and compute data. The most prevalent distributed file systems to deal with these challenges are the Hadoop File System (HDFS) which is a variant of the Google File System (GFS). However HDFS has two potential problems - one is that it depends on a single name node to manage almost all operations of every data block in the file system. As a result it can be a bottleneck resource and a single point of failure. The second potential problem with HDFS is that it depends on TCP to transfer data. As has been seen in many studies TCP takes many rounds before it send at the full capacity of the links in the cloud. This results in low link utilization and longer downloads times. To overcome these problems of HDFS we present a new distributed file system. Our scheme uses a light weight front end server to connect all requests with many name nodes - Triple Security.

Last modified: 2014-04-29 12:47:10