Seamless scale down of micro-services running over sctp protocol

Abstract

Systems and methods are provided for telecom cloud scale down. In one embodiment, a method is provided comprising: deploying a coordinating node, which may be a CU-CP or CU-UP, in a microservices cloud infrastructure; receiving, at an internal controller at the coordinating node, a trigger request for scale down preparation; sending, from the internal controller, a scale down request to a first stateful telecom microservice; sending, from the first stateful telecom microservice, at least one existing session state distribution request to at least one additional stateful telecom microservice; distributing existing connection and session information to the at least one additional stateful telecom microservice; and sending, from the first stateful telecom microservice to the internal controller, a scale down preparation completion message, thereby performing telecom cloud scale down while mitigating disruptions to subscriber service. The method may further comprise terminating the first stateful telecom microservice.