A leased Ethernet circuit arrives with a contract and a turn-up sheet. The contract names a CIR per service, delay, loss and availability, for example 99.95%. The sheet s…
Alexander Zemskov
5 min read
A router for 5G transport arrives with a datasheet that says "5G ready": 100G ports, hierarchical QoS, a PTP boundary clock. The operator needs other numbers. Does the UR…
Alexander Zemskov
4 min read
An SD-WAN slide shows failover in under a second, measured by pulling a cable. Real underlays rarely die that cleanly. An MPLS circuit picks up 2 % loss and 40 ms jitter,…
Alexander Zemskov
4 min read
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