US 12,438,780 B2
System and method for draining of O-Cloud node
Manmeet Singh Bhangu, Andaman and Nicobar Islands (IN); Pankaj Tanaji Shete, Tokyo (JP); Mohit Luthra, Tokyo (JP); Awn Muhammad, Tokyo (JP); and Puneet Devadiga, Tokyo (JP)
Assigned to RAKUTEN MOBILE, INC., Tokyo (JP); and RAKUTEN SYMPHONY, INC., Tokyo (JP)
Appl. No. 18/270,902
Filed by RAKUTEN MOBILE, INC., Tokyo (JP); and Rakuten Symphony, Inc., Tokyo (JP)
PCT Filed Jun. 2, 2023, PCT No. PCT/US2023/024230
§ 371(c)(1), (2) Date Jul. 5, 2023,
PCT Pub. No. WO2023/235536, PCT Pub. Date Dec. 7, 2023.
Claims priority of application No. 10202250033J (SG), filed on Jun. 3, 2022.
Prior Publication US 2024/0388503 A1, Nov. 21, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 15/173 (2006.01); H04L 41/0897 (2022.01); H04L 41/342 (2022.01)
CPC H04L 41/0897 (2022.05) [H04L 41/342 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A method for draining one or more Open Radio Access Network (O-RAN) Cloud (O-Cloud) Nodes, the method comprising:
receiving, by a Service Management and Orchestration Framework (SMO) function, a first request or recommendation to drain at least one O-Cloud Node, the first request or recommendation being received from an rApp of a Non-Real-Time (Non-RT) RAN Intelligent Controller (RIC) or from an O-Cloud Maintainer, wherein draining the at least one O-Cloud Node comprises at least one of: migrating network functions or components of the network functions to another O-Cloud Node, relocating the network functions or the components of the network functions to another O-Cloud Node, or terminating all the network functions or all the components of the network functions of the O-Cloud Node;
transmitting, by the SMO function to an Infrastructure Management Services (IMS) and/or Deployment Management Services (DMS) via an O2 interface, a second request to drain the at least one O-Cloud Node based on the received first request or recommendation; and
receiving, from the IMS/DMS, a first notification as to whether the at least one O-Cloud Node has been drained,
wherein the SMO function is at least one of a Federated O-Cloud Orchestration and Management (FOCOM) and Network Function Orchestration (NFO).