Listing 2. Pseudo-code of one of the M ROADM agents.

main():

...

for every connection with other ROADM devices:

<subscribe to updates for connection status on the OneM2M >

while (True):

for every circuit pack:

for every port:

if port-direction ==“tx”:

<read tx power from device port>

else if port-direction ==“rx”:

<read rx power from device port>

<prepare message for the OneM2M>

<send message>

<sleep(sleeping-time)>

newSubscriptionUpdate():

<get the body of the update>

<process the received information>

<compute $T_C$>