In the last months I talked with or looked at several storage vendors, and I saw a new topic becoming more and more important: QoS (Quality of Service). The list of vendors offering this feature (with differences in their own technologies) is becoming quite large: CloudByte, GridStore, Coho Data, SolidFire, HP 3Par, NetApp. And for sure I’m forgetting someone else.
As you can see in my short list, there are both startups that have this feature from their first release, and also big names who added QoS to their existing products. There is a new trend coming, and QoS is for sure becoming a “hot” topic in storage.
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QoS: the next “Big Thing” in storage?