Datto and ShadowProtect are indeed similar in that they both use a form of image-based backup onsite with replication to the cloud First, make sure you’re comparing apples to apples. SP offers different Retention Tiers and Service Levels with their Cloud Service, whereas…

You've correctly identified that Arcserve UDP Premium Plus (f.k.a. RHA) is a direct competitor to Double-Take in the area of asynchronous replication. Bottom line is both solutions are good. Double-Take has the advantage in its support for HP-UX. We feel that Arcserve UDP…