CU-UP LOAD BALANCING METHOD AND CENTRAL UNIT-USER PLANECU-UP ENTITY PEFORMING THE LOAD BALANCING METHOD

A central unit-user plane (CU-UP) entity performing load balancing is disclosed. The CU-UP entity according to various embodiments may obtain load state information for each of a plurality of worker nodes of the CU-UP entity; find the worker node in an overloaded state based on each obtained load st...

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Bibliographische Detailangaben
Hauptverfasser: HYOUNGROK NAM, DONGHYUN KIM, WONIL LEE, TIEN DUNG NGUYEN
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:A central unit-user plane (CU-UP) entity performing load balancing is disclosed. The CU-UP entity according to various embodiments may obtain load state information for each of a plurality of worker nodes of the CU-UP entity; find the worker node in an overloaded state based on each obtained load state information; determine one of the remaining worker nodes, excluding the found worker node, as the target worker node; find a terminal that satisfies certain conditions among the terminals assigned to the found worker node; and migrate the found terminal from the found worker node to the determined target worker node so that the traffic of the found terminal is processed by the determined target worker node. Accordingly, performance degradation can be reduced. 부하 밸런싱을 수행하는 CU-UP 엔티티가 개시된다. 다양한 실시 예들에 따른 CU-UP 엔티티는 상기 CU-UP 엔티티의 복수의 워커 노드(worker node)들 각각의 부하 상태 정보를 획득하고, 상기 획득된 각 부하 상태 정보를 기초로 과부하(overload) 상태의 워커 노드를 찾으며, 상기 찾은 워커 노드를 제외한 나머지 워커 노드들 중 하나를 타겟 워커 노드로 결정하고, 상기 찾은 워커 노드에 할당된 단말들 중 일정 조건을 만족하는 단말을 찾고, 상기 찾은 단말의 트래픽이 상기 결정된 타겟 워커 노드에 의해 처리되도록 상기 찾은 단말을 상기 찾은 워커 노드에서 상기 결정된 타겟 워커 노드로 마이그레이션(migration)을 수행할 수 있다.