The Future of Storage Networking Protocols

As server virtualization technology matures the cost of storage has emerged as the top issues. This Computer Technology Review article suggests that data center managers are now moving full speed to virtualize everything and adopt the cloud model, which makes it even more important to explore how NAS can efficiently enable cloud storage.

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"After a decade of relative quiet, NAS is currently experiencing a burst of innovation. NAS file systems such as GlusterFS, Isilon OneFS, IBM SONAS and Panasas PanFS allows NFS, CIFS and direct-access NAS protocols to scale to very large capacity and high performance. Since they are POSIX compliant, applications can run unmodified. There is also a new class of storage protocols broadly classified under NoSQL. These falls between the NAS and SQL models and are mostly based on key-value-pair or distributed-object-storage APIs. In order to take advantage of these APIs application modification is required, but can be worth the effort. Examples include Apache Hadoop, Apache Cassandra and Amazon S3."

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