ENG. In the next 3.5 service pack of V-Ray, we will be introducing resumable rendering as a new feature. This will first come out in V-Ray for 3ds Max, and then released for the other platforms.
As you know, V-Ray has different ways to render. For resumable rendering, the difference is mainly between bucket rendering and progressive rendering.

ITA. Nel prossimo service pack per V-Ray 3.5 sarĂ¡ disponibile la nuova funzione “Resumable Rendering”. La service pack sarĂ¡ disponibile prima per 3ds Max e poi per le altre piattaforme.
V-ray permette diverse stade per renderizzare. Per la riesumazione la differenza principale sta nel bucket render e progressive render.

Link: Understanding Resumable Rendering