What exactly are CIFS streams and is there a white paper on it? And, how do you compare it to NFS? Does DAFS support streams?

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As far as I can tell, there is not a special technology called "CIFS streaming." Now it may be possible to transfer streams of multimedia data over a CIFS connection but I do not believe CIFS offers a QoS mechanism that would give special treatment to certain data types.

DAFS may have something for streaming based on InfiniBand technology because IB has a QoS component.

There is one other piece of information to pass on here: There is a data format called CIF, for Crystallographic Information File, which has been used for video data and can be streamed.

Whatever, I don't believe there is a special storage method tied to streaming. Streaming and storage tend to be non-compatible. Streaming technologies often allow lost packets to simply be discarded in order to present video or audio images/sounds, more or less in real time. They are chiefly concerned with maintaining a certain bit rate so a receiver of the data can watch and/or listen to it. Storage, of course, does not tolerate lost information and bit rates are not interesting in storage networks. Performance is tied to bandwidth and latency, not bit rate.

Regards,
Marc

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This was first published in June 2003

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