H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L43/00
Arrangements for monitoring or testing data switching networks
H04L43/08
Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
H04L43/0805
by checking availability
H04L43/0817
by checking functioning