Ntt Docomo, Inc.

Joan Triay Marques

Ashiq Khan

David Perez Caparros

Tetsuya Nakamura

Motoshi Tamura

Takahiro Yamazaki

Takashi Shimizu

Atsushi Minokuchi

Shigeru Iwashina

Takuya Shimojou

Malla Reddy Sama

Srisakul Thakolsri

Takeo Yamasaki

Wolfgang Kiess

Hidenori Asaba

Bertrand Souville

Masayoshi Shimizu

Irfan Ali

Tomoki Shibahara

Kostas Katsalis

Kazuaki Obana

Kosuke Taniguchi

Yuya Kuno

An NSSF () includes: a selection unit selecting a slice corresponding to a service related to a request from a terminal () and a target processing server corresponding to the slice based on slice correspondence information including information where a slice, a processing server corresponding to the slice, and a service used by a terminal are associated with one another; and a notification unit notifying an AMF () of selection result including information regarding the slice and target processing server. The AMF includes: a determination processing unit determining whether the AMF is a target processing server based on information on the target processing server in the selection result information, and performing processing for a service when the AMF is the target processing server, or transferring a request for processing for a service to the target processing server when the AMF is not the target processing server.

Communication control method and communication system

A slice management system () is a slice management system managing slices that are virtual networks generated on a network infrastructure, comprises a memory storing a priority list in which slices of connection destination candidates of a UE () are aligned in order of priority levels and, in a case in which a connection request for a slice from the UE () is acquired, determines a slice to which UE () is to be connected on the basis of the priority list stored in the memory.

Slice management system and slice management method

A virtual server for executing a communication process is implemented on virtualization resources without being inefficient even when different virtualization resource management schemes are included. A management system included in a mobile communication system is configured to include an NFVI which is virtualization resources including a physical server in which a VNF to execute a communication process is generated and includes a VNFM for managing the VNF, a VIM for managing the virtualization resources of the NFVI, and an orchestrator for managing all the virtualization resources of the NFVI, wherein the orchestrator includes a virtual server generation request section configured to input detailed information for implementing the VNF retained by the VNFM, rewrite the input detailed information according to a virtualization resource management scheme by the VIM, and request the VIM to generate the VNF.

Management system, overall management node, and management method for managing virtualization resources in a mobile communication network

Leakage of detailed information for implementing a virtual server to execute a communication process on virtualization resources is prevented. There is provided a management system () included in a mobile communication system () configured to include an NFVI () which is virtualization resources including a physical server generated by a VNF () to execute a communication process, and the system includes a VNFM () for managing the VNF (), a VIM () for managing the virtualization resources of the NFVI (), an orchestrator () for managing all the virtualization resources of the NFVI (), wherein the VNFM () includes a retention section () configured to retain detailed information for implementing the VNF () and a virtual server generation request section () configured to request the VIM () to generate the VNF () using the detailed information.

Management system, virtual communication-function management node, and management method for managing virtualization resources in a mobile communication network

A method for implementing an entity of a network by virtualizing said network entity and implementing it on one or more servers each acting as an execution unit for executing thereon one or more applications running and/or one or more virtual machines running on said execution unit, each of said application programs or virtual machines running on a server and implementing at least a part of the functionality of said network entity being called a virtual network function VNF module, wherein a plurality of said VNF modules together implement said network entity to thereby form a virtual network function VNF, said method comprising the steps of: obtaining m key performance indicators (KPI) specifying the required overall performance of the VNF, obtaining n performance characteristics for available types of execution units, determining one or more possible deployment plans based on the obtained m KPI and n performance characteristics, each deployment plan specifying the number and types of execution units, such that the joint performance of VNF modules running on these execution units achieves the required overall performance of the VNF.

Method and apparatus for network virtualization

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Munich, Germany

Joan Triay Marques