Local DNS Failure Can Look Like a Dead Server
Test the known address before rebooting a host just because its name stopped resolving.
network
Network Reliability Starts by Naming the Failure Domain
Resolve the symptom into DNS, routing, transport, policy, ingress or application before changing configuration.
RTP Burst Measurements Need the Network and the Playout Buffer in the Same Report
Packet timing only becomes actionable when it is tied to endpoint tolerance.