The important consideration when working on improving Mean Time to Repair (MTTR) is to understand the time in between. It is not about an outage occurring at a specific time and the link coming back online at another time. The latter is what is meant by MTTR but to have a meaningful conversation about it more information is required. In the context of SDWAN, a comparison needs to be make between how a deployment would have improved MTTRs above that of a legacy wide area network (WAN) installation. Read the article over at LInkedIn here .