Faults in an IP network have various causes such as the failure of one or more routers at the IP layer, fiber-cuts, failure of physical elements at the optical layer, or extraneo...
Srikanth Kandula, Dina Katabi, Jean-Philippe Vasse...
When failures occur in Internet overlay connections today, it is difficult for users to determine the root cause of failure. An overlay connection may require TCP connections bet...
Many enterprise, campus, and data-center networks have complex layer-2 virtual LANs (“VLANs”) below the IP layer. The interaction between layer-2 and IP topologies in these VL...
Muhammad Mukarram Bin Tariq, Ahmed Mansy, Nick Fea...
As the complexity of networked systems increases, we need mechanisms to automatically detect failures in the network and diagnose the cause of such failures. To realize true self-...
—It is highly desirable and important for end users, with no special privileges, identify and pinpoint faults inside the network that degrade the performance of their application...