Skip to content
D2 templates

Network Operations Topology (D2)

Access, metro aggregation and core layers of a fixed-line network with the alarm path from telemetry to a field truck roll.

Template previewD2
Rendering…

Make it your own.

direction: right

access: Access layer {
  cab1: Street cabinet A (G.fast)
  cab2: Street cabinet B (G.fast)
  olt: OLT - GPON shelf
}

aggregation: Metro aggregation {
  agg1: Aggregation switch 1
  agg2: Aggregation switch 2
}

core: Core {
  pe1: PE router - north site
  pe2: PE router - south site
  rr: Route reflector
}

ops: Operations {
  nms: Collector (SNMP and streaming telemetry)
  noc: NOC tier 1
  field: Field engineering dispatch
}

access.cab1 -> aggregation.agg1
access.cab2 -> aggregation.agg2
access.olt -> aggregation.agg1
aggregation.agg1 -> core.pe1: 100G
aggregation.agg2 -> core.pe2: 100G
core.pe1 <-> core.pe2: protected 400G ring
core.pe1 -> core.rr
core.pe2 -> core.rr
aggregation.agg1 -> ops.nms: streaming telemetry
core.pe1 -> ops.nms
ops.nms -> ops.noc: alarm correlation, 30 s window
ops.noc -> ops.field: truck roll when the fault is in the access layer