IDG Contributor Network: What the AWS outage can teach us about WAN deployments
The outage that hit Amazon Web Services' Simple Storage Service earlier this month might have been unusual in its impact, but not in its cause—a configuration error. Service providers suffer outages for all sorts of reasons. Backhoes take out local access loops. Seismic events and fishing trawlers cut underwater cables. And, yes, humans make mistakes.RELATED: SD-WAN: What it is and why you will use it one day About three years ago, I was called in by a customer to help address a problem in their MPLS network. At the time, I ran MPLS Experts, a predecessor of SD-WAN Experts, and had developed a reputation for knowing a thing or two about global MPLS/VPLS services. The customer was noticing packets with unknown IPs on its carrier-managed private network. After we reviewed the logs, the cause became apparent: One of the carrier techs had misconfigured the VRF/VFI identifiers, accidentally connecting a different customer to their private network. To read this article in full or to leave a comment, please click here