Quanta Data Storage: A New Storage Paradigm
Prabhanjan C. Gurumohan, Sai Narasimhamurthy, Joseph Y. Hui · 2004
TCP layer and poor iSCSI implementations have been identified as the main bottlenecks in realizing high iSCSI performance. With the addition of security mechanisms the throughput achieved by the storage system using iSCSI is further reduced. Along with the above mentioned problems, we argue that the excessive processing redundancy introduced by several protocol layers and use of protocols designed for non-storage specific requirements result in poor storage network architectures. In order to overcome these issues, we introduce a new storage paradigm in which data is manipulated, encrypted and stored in fixed block sizes called quanta. Each quanta is manipulated by a single effective cross layer (ECL) that includes security features, iSCSI functionalities, direct data placement techniques and data transport mechanisms. Further, the new architecture emphasizes majority of burden of computation for achieving security on the clients.