Physical infrastructure G.
Set of programmable forwarding devices.
Set of device interfaces.
Interface i telemetry demand. The number of telemetry items to be collected from interface i.
Set of active flows in G.
Set of interfaces through which packets from flow f are forwarded.
Flow f telemetry capacity. The maximum number of items packets from flow f may transport.
An assignment function of device interfaces I to network flows F.
Binary variable which indicates whether flow f is assigned to cover interface i∈I.
Binary variable of the INTO Concentrate optimization model which indicates whether flow f is a telemetry-active flow.