WO2016017182A1 - 制御装置および制御方法 - Google Patents
制御装置および制御方法 Download PDFInfo
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- WO2016017182A1 WO2016017182A1 PCT/JP2015/003857 JP2015003857W WO2016017182A1 WO 2016017182 A1 WO2016017182 A1 WO 2016017182A1 JP 2015003857 W JP2015003857 W JP 2015003857W WO 2016017182 A1 WO2016017182 A1 WO 2016017182A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/164—Implementing security features at a particular protocol layer at the network layer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45575—Starting, stopping, suspending or resuming virtual machine instances
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
Definitions
- This disclosure relates to a control device and a control method for controlling a virtual network.
- VLAN Virtual Local Area Network
- a physical network can be divided and a plurality of virtual networks can be configured at the L2 (Layer 2) level.
- L2 Layer 2
- Patent Document 1 discloses a technique for connecting each base of a company with a VLAN.
- MVNO Mobile Virtual Network Operator
- MVNO Mobile Virtual Network Operator
- base station virtualization a plurality of server devices cooperate to virtually realize the functions of the base station device.
- data transmitted only within the base station apparatus is transmitted on the communication network. Since such data has a priority used in the base station apparatus, various types of data according to the priority are transmitted over the communication network.
- the data of each operator in MVNO and a plurality of types of data originally transmitted inside the base station apparatus are stored at the L2 level. Can be distinguished.
- transmitted data cannot be distinguished at the L3 (Layer 3) level.
- the communication device when applying VLAN to MVNO, a communication apparatus must perform the same process with respect to user data of any communication carrier, and cannot provide a detailed service.
- the communication device when applying a VLAN to the virtualization of a base station, the communication device only has to perform the same processing for a plurality of data having different priorities, and cannot provide a detailed service.
- An object of the exemplary embodiment is to provide a control device and a control method capable of providing a detailed service.
- the control device is: A storage unit for storing correspondence information in which each of a plurality of identifiers for identifying each of a plurality of virtual networks is associated with an attribute value of data transmitted in the virtual network identified by the identifier; , And a control unit that allocates the identifier and a policy using the virtual network identified by the identifier to each of a plurality of communication devices connected by a physical network based on the correspondence information.
- the control method is as follows. From a storage unit that stores correspondence information in which each of a plurality of identifiers that identify each of a plurality of virtual networks is associated with an attribute value of data transmitted on the virtual network identified by the identifier. Read the correspondence information, Based on the correspondence information read from the storage unit, the identifier and a policy that uses the virtual network identified by the identifier are assigned to each of a plurality of communication devices connected by a physical network.
- FIG. 1 is a configuration diagram of a mobile communication system 1 according to a first exemplary embodiment.
- 2 is a block diagram showing a configuration of a control device 30.
- FIG. It is a figure showing an example of the 1st correspondence information.
- It is a block diagram of the mobile communication system 2 concerning 2nd exemplary embodiment.
- It is a figure showing an example of the 2nd correspondence information.
- It is a block diagram of the mobile communication system 3 concerning 3rd illustrative embodiment.
- It is a figure showing an example of the 4th correspondence information.
- FIG. 1 is a configuration diagram of a mobile communication system 1 according to a first exemplary embodiment.
- the mobile communication system 1 includes a plurality of base station devices 10-1 to 10-n, L3 (Layer 3) switches 20-1 and 20-2, and a control device 30.
- Base station apparatuses 10-1 to 10-n are communication apparatuses that communicate with mobile stations such as mobile phones.
- Each of base station apparatuses 10-1 to 10-n includes an antenna unit that communicates with a mobile station and a communication interface that connects to a backhaul line.
- Each of the base station devices 10-1 to 10-n is connected to the L3 switches 20-1 and 20-2 via a backhaul line that is a physical network. Note that the base station devices 10-1 to 10-n are simply referred to as the base station device 10 when it is not necessary to distinguish them.
- the L3 switches 20-1 and 20-2 are communication devices that relay communication between a backhaul line and EPC (Evolved Packet Core) networks A to C.
- EPC Evolved Packet Core
- Each of the EPC networks A to C is a core line provided by an operator.
- the L3 switches 20-1 and 20-2 are simply referred to as the L3 switch 20 when it is not necessary to distinguish between them.
- the control device 30 uses a VxLAN (Virtual eXtensible Local Area Network) function to identify a VNI (VxLAN Network Identifier) that identifies a virtual network and a policy that uses the virtual network identified by the VNI. Allocation is made to base station apparatuses 10-1 to 10-n and L3 switches 20-1 and 20-2 which are communication apparatuses connected to the backhaul line.
- the control device 30 constructs a plurality of virtual networks on the backhaul line by assigning VNI and policy to each communication device.
- FIG. 2 is a block diagram showing a detailed configuration of the control device 30.
- the control device 30 includes a communication unit 31, a detection unit 32, a storage unit 33, and a control unit 34.
- the communication unit 31 is connected to the base station apparatuses 10-1 to 10-n and the L3 switches 20-1 and 20-2 via backhaul lines.
- the detection unit 32 detects the communication status of the backhaul line via the communication unit 31.
- a VNI that is an identifier for identifying each of a plurality of virtual networks is associated with an attribute value of data transmitted through the virtual network identified by the VNI.
- FIG. 3 is a diagram illustrating an example of correspondence information used by the control device 30.
- VNI values are associated with information indicating data transmission sources and destinations as information indicating data attribute values.
- the information indicating the data transmission source and destination includes an eNB (evolved Node B) -ID (Identifier) that identifies the base station and an EPC-ID that identifies the EPC.
- eNB evolved Node B
- EPC-ID identifies the EPC.
- the control unit 34 stores the first correspondence information in the storage unit 33 and reads the first correspondence information from the storage unit 33. On the basis of the first correspondence information, the control unit 34 transmits each of a plurality of communication devices connected by a physical network such as the base station devices 10-1 to 10-n and the L3 switches 20-1 and 20-2. Assign a VNI and a policy that uses the VNI. Thus, a plurality of virtual networks are constructed for each data attribute value between the base station apparatuses 10-1 to 10-n and the L3 switches 20-1 and 20-2. Therefore, each communication apparatus can distinguish the data for each attribute value of the data. When each communication device can distinguish data for each attribute value of the data, it becomes possible to perform different processing for each data for each attribute value of the data, and as a result, provide a detailed service. Can do.
- a different virtual network is configured for each EPC network. Since the EPC network is different for each operator, data is transmitted through a different virtual network for each operator. Therefore, even when there are a plurality of operators in the mobile communication system 1, the base station apparatuses 10-1 to 10-n distinguish which operator's user transmits / receives data to be relayed. Will be able to.
- the policy assigned to the base station apparatus 10-2 identified by the eNB # 2 includes the following policies a) and b). a) When the destination address is a network identified by EPC # C, a virtual network identified by a VNI value of 2 is used. b) When the destination address is a network identified by EPC # A, a virtual network identified by a VNI value of 100 is used.
- all the first correspondence information shown in FIG. 3 is assigned to the L3 switches 20-1 and 20-2 as a policy.
- the L3 switches 20-1 and 20-2 can distinguish the transmission source and destination of the data by referring to the VNI value of the received data.
- control unit 34 performs virtual network route control based on the communication status detected by the detection unit 32. Specifically, the control unit 34 changes the priority of each virtual network based on the communication status. Further, the control unit 34 reassigns the VNI and changes the network configuration based on the communication status. Thereby, the resource allocated to each virtual network is changed.
- the control device 30 includes the storage unit 33 and the control unit 34.
- the storage unit 33 assigns a destination network that is an attribute value of data transmitted in the virtual network identified by the VNI to each of the VNI that is a plurality of identifiers that identify each of the plurality of virtual networks at the network layer level.
- Correspondence information associated with the identified EPC-ID is stored.
- the control unit 34 assigns a VNI and a policy using the virtual network identified by the VNI to each of a plurality of communication devices connected by a backhaul line that is a physical network.
- control device 30 further includes the detection unit 32 that detects the status of each virtual network.
- control part 34 performs route control of each virtual network based on the condition which the detection part 32 detected.
- the correspondence information includes information indicating at least one of the data destination and the transmission source as the data attribute value.
- a virtual network is constructed between at least one of the data destination and the transmission source between the communication devices. Therefore, each communication device can distinguish the data for each destination or transmission source of the data. Therefore, it is possible to provide a detailed service with more certainty.
- FIG. 4 is a configuration diagram of the mobile communication system 2 according to the second exemplary embodiment.
- the mobile communication system 2 includes a base station device 10, an L3 switch 20, and a control device 30.
- the second exemplary embodiment is different from the first embodiment in correspondence information used by the control device 30.
- the mobile communication system 2 may have a plurality of base station apparatuses and a plurality of L3 switches, similarly to the mobile communication system 1 shown in FIG. In FIG. 4, one base station apparatus 10 and one L3 switch 20 are shown for simplicity.
- FIG. 5 is a diagram illustrating an example of correspondence information used by the control device 30 in the present embodiment.
- the second correspondence information shown in FIG. 5 associates VNI values with data attribute values.
- the second correspondence information includes an eNB-ID and information indicating the data service type as data attribute values.
- the information indicating the service type is information indicating the priority of data, for example.
- Information indicating the priority of data is a DSCP (Differentiated Services Code Point) value and a QCI (QoS Class Identifier).
- the DSCP value is information indicating a priority assigned to an IP (Internet Protocol) header.
- the QCI is information indicating the priority for each bearer specified by 3GPP (Third Generation Partnership Project). Although two types of information indicating the priority are used here, only one type may be used.
- the control unit 34 assigns a VNI and a policy using the VNI to the base station device 10 and the L3 switch 20 based on the second correspondence information. As a result, a plurality of virtual networks different for each service type of data transmitted and received in the mobile communication system 2 are configured. Although omitted in FIG. 4, when the mobile communication system 2 includes a plurality of base station devices 10, the control unit 34 assigns a VNI to each base station device 10 that transmits and receives data. A virtual network is configured every 10th.
- the policy assigned to the base station apparatus whose ENB-ID is identified by eNB # 1 includes the following policies 1) to 3). Although omitted in FIG. 5, the base station apparatus assigns the correspondence relationship between the VNI value and the attribute value stored in association with eNB # 1 as a policy.
- the DSCP value is Best Effort, and QCI Is QCI # 9, the virtual network identified by the VNI value of 1 is used.
- the DSCP value is AF (Assured Forwarding) # 2 and the QCI is QCI # 3
- a virtual network identified by a VNI value of 2 is used.
- the DSCP value is EF (Expedited Forwarding) and the QCI is QCI # 1
- a virtual network identified by a VNI value of 100 is used.
- control unit 34 can perform route control based on the communication status detected by the detection unit 32. At this time, the control unit 34 can also perform route control based on information indicating the priority of data included in the second correspondence information.
- each communication device transmits data using a different virtual network for each attribute value of the data. As a result, detailed services can be provided.
- the correspondence information includes information indicating the priority of data as an attribute value of data.
- a virtual network is constructed for each data priority between communication devices. For this reason, each communication apparatus can distinguish the data for each priority of data, and as a result, more detailed services can be provided.
- FIG. 6 is a configuration diagram of the mobile communication system 3 according to the third exemplary embodiment.
- the mobile communication system 3 includes an antenna unit 11, a virtual base station function unit 12, and L3 switches 20-1 and 20-2.
- the antenna unit 11 includes a plurality of antenna devices 11-1 to 11-n.
- the virtual base station function unit 12 is realized by a plurality of server apparatuses that virtually implement a plurality of functions of the base station apparatus in cooperation.
- the functions of the base station device include, for example, a MAC (Medium Access Control) layer function, an RLC (Radio Link Control) layer function, and a PDCP (Packet Data Convergence Protocol) layer function.
- the functions of the base station device include an RRC (Radio Resource Control) layer function, an S1 / X2-AP (Application Protocol) layer function, and an IP (Internet Protocol) layer function.
- the functions of the base station device include an SCTP (Stream Control Transmission Protocol) layer function and a GTP-u (GPRS Tunneling Protocol for User plane) layer function.
- FIG. 7 to 9 are diagrams illustrating examples of correspondence information used by the control device 30 in the present embodiment.
- the third correspondence information shown in FIG. 7 associates a VNI value with an RF (Radio frequency) -ID that identifies an antenna device that transmits and receives data as an attribute value of the data.
- RF Radio frequency
- the control unit 34 allocates a VNI and a policy using the VNI to each of the antenna unit 11 and the virtual base station function unit 12 using the third correspondence information.
- control unit 34 assigns to each antenna device 11-1 to n of the antenna unit 11 a VNI associated with an RF-ID that identifies each antenna device 11-1 to n. Then, the control unit 34 assigns a policy of using the assigned VNI to the data transmitted from the antenna devices 11-1 to 11-n to the antenna devices 11-1 to 11-n.
- control unit 34 includes all of the plurality of server devices that realize the virtual base station function unit 12 for the server device that realizes the function of receiving data from the antenna unit 11, which is included in the third correspondence information. Allocate VNI. Then, the control unit 34 assigns the RF-ID information associated with each VNI as a policy to the server device. As a result, a virtual network is constructed between each of the antenna devices 11-1 to 11-n and the virtual base station function unit 12. Then, the virtual base station function unit 12 can distinguish which antenna device among the antenna devices 11-1 to 11-n is the received data.
- the VNI value is associated with information indicating the data service type as the data attribute value.
- the information indicating the service type indicates the priority of data, and specifically is a DSCP value.
- the control unit 34 allocates a VNI and a policy using the VNI to each of the plurality of server devices that implement the virtual base station function unit 12 using the fourth correspondence information. Specifically, the control unit 34 assigns all VNIs included in the fourth correspondence information to each server device, and assigns DSCP values associated with these VNIs as a policy using the VNIs.
- a virtual network is constructed for each data service type between the plurality of virtual base station function units 12. Therefore, the virtual base station function unit 12 can distinguish the data service type.
- the VNI value is associated with information indicating the data service type as the data attribute value.
- the information indicating the data service type indicates the priority of the data.
- the information indicating the priority of data is a DSCP value and a QCI.
- the control unit 34 assigns a policy using VNI and VNI to the virtual base station function unit 12 and the L3 switches 20-1 and 20-2 using the fifth correspondence information.
- a virtual network is constructed for each data service type between the virtual base station function unit 12 and each of the L3 switches 20-1 and 20-2. Therefore, the virtual base station function unit 12 and the L3 switches 20-1 and 20-2 can distinguish the service types of the respective data.
- control unit 34 determines correspondence information used for assigning the VNI based on a rule predetermined for each communication device. For example, a rule that the third correspondence information is used for the antenna unit 11 is determined in advance. For the server device that implements the virtual base station function unit 12, the third correspondence information is used for communication with the antenna unit 11, and the fourth correspondence information is used for communication with other server devices. In addition, a rule is set that the fifth correspondence information is used for communication with the L3 switches 20-1 and 2. Further, for the L3 switches 20-1 and 2, there is a rule that the fifth correspondence information is used.
- each communication device is configured with a different virtual network for each attribute value of data. Therefore, it becomes possible to provide a detailed service.
- each communication device can optimize the communication status of the communication system formed by the communication device.
- the plurality of communication devices include a plurality of server devices that virtually realize the function of the base station in cooperation.
- the control unit 34 assigns an identifier to each of the plurality of server devices, a plurality of virtual networks are provided for each data attribute value between the plurality of server devices that realize the function of the base station. Built. For this reason, each server device can distinguish data for each attribute value of the data, and as a result, it is possible to provide more detailed services.
- the plurality of communication devices further include antenna devices 11-1 to 11-n.
- the control unit 34 assigns an identifier to each of the antenna apparatuses 11-1 to 11-n and the server apparatus, and data attributes are assigned between the antenna apparatuses 11-1 to 11-n and the server apparatus. For each value, a plurality of virtual networks are constructed. Therefore, each of the antenna apparatuses 11-1 to 11-n and the server apparatus can distinguish the data for each attribute value of the data, and as a result, it is possible to provide more detailed services. .
- the plurality of communication devices include L3 switches 20-1 and 2 that are relay devices that relay between the physical network and other physical networks.
- L3 switches 20-1 and 20 are relay devices that relay between the physical network and other physical networks. Therefore, a plurality of virtual networks are constructed for each attribute value of data between the L3 switches 20-1 and 20 and other communication devices. Therefore, the L3 switches 20-1 and 20 and the communication device can distinguish the data for each attribute value of the data, and as a result, can provide more detailed services. . (Modification) While the present invention has been described with reference to the embodiments, the present invention is not limited to the above embodiments. Various changes that can be understood by those skilled in the art can be made to the configuration and details of the present invention within the scope of the present invention.
- the virtual network is constructed within the same L2 network, but the present invention is not limited to such an example.
- a virtual network may be constructed across a plurality of L2 networks beyond the L3 switches 20-1 and 20-2.
- control apparatus 30 decided that the memory
- the control device 30 may acquire correspondence information from an external server device via the communication unit 31 and store the acquired correspondence information in the storage unit 33. Further, the control device 30 may generate correspondence information and store it in the storage unit 33 in accordance with the operation of the administrator of the mobile communication systems 1 to 3.
- the control unit 34 includes the antenna unit 11 and the virtual base station function unit 12, the inside of the virtual base station function unit 12, the virtual base station function unit 12 and the L3 switch 20- VNIs were assigned using different correspondence information between 1 and 2.
- the present invention is not limited to such an example. Common in part or all between the antenna unit 11 and the virtual base station function unit 12, the inside of the virtual base station function unit 12, and the virtual base station function unit 12 and the L3 switches 20-1 and 20-2. Correspondence information may be used. When different correspondence information is used, it becomes possible to distinguish and handle data in finer units. Moreover, when common correspondence information is used, management of the correspondence information is simplified.
- the control unit 34 assigns a VNI to each of the antenna devices 11-1 to 11-n between the antenna unit 11 and the virtual base station function unit 12.
- the control unit 34 allocates VNI for each data service type within the virtual base station function unit 12 and between the virtual base station function unit 12 and the L3 switches 20-1 and 20-2.
- the unit for allocating VNI may be a unit related to the attribute value of data.
- a storage unit for storing correspondence information in which each of a plurality of identifiers for identifying each of a plurality of virtual networks is associated with an attribute value of data transmitted in the virtual network identified by the identifier; , Based on the correspondence information, a control unit that allocates the identifier and a policy for using the virtual network identified by the identifier to each of a plurality of communication devices connected by a physical network;
- a control device comprising:
- Appendix 2 A detection unit for detecting the status of each of the virtual networks, The control device according to appendix 1, wherein the control unit performs route control of each of the virtual networks based on a situation detected by the detection unit.
- Appendix 3 The control device according to appendix 1 or 2, wherein the correspondence information includes information indicating at least one of a destination, a transmission source, and a priority of the data as an attribute value of the data.
- the control unit assigns the identifier and the policy based on correspondence information satisfying a predetermined rule for each communication device among the plurality of types of correspondence information.
- the control device according to item.
- Appendix 5 The control device according to any one of appendices 1 to 4, wherein the plurality of communication devices include a plurality of server devices that virtually realize the function of the base station in cooperation with each other.
- Appendix 6 The control device according to appendix 5, wherein the plurality of communication devices include an antenna device.
- Appendix 7 The control device according to any one of appendices 1 to 6, wherein the plurality of communication devices include a relay device that relays between the physical network and another physical network.
- [Appendix 8] Correspondence information in which attribute values of data transmitted on the virtual network identified by the identifier are associated with each of the plurality of identifiers that identify each of the plurality of virtual networks at the network layer level is stored in the storage unit. , Read the correspondence information from the storage unit, A control method for allocating the identifier and a policy using a virtual network identified by the identifier to each of a plurality of communication devices connected by a physical network based on correspondence information read from the storage unit.
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Abstract
Description
複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶する記憶部と、
前記対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる制御部と、を有する。
複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶する記憶部から前記対応情報を読み出し、
前記記憶部から読み出した対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる。
(第1の実施形態)
図1は、第1の例示的な実施形態にかかる移動体通信システム1の構成図である。移動体通信システム1は、複数の基地局装置10-1~10-nと、L3(Layer3)スイッチ20-1および20-2と、制御装置30とを有する。
基地局装置10-1~10-nのそれぞれは、移動局と通信するアンテナ部と、バックホール回線と接続する通信インタフェースとを有する。また、基地局装置10-1~10-n基地局装置10-1~10-nのそれぞれは、物理ネットワークであるバックホール回線を介してL3スイッチ20-1および20-2と接続される。なお、基地局装置10-1~10-nを特に区別する必要がない場合には、単に、基地局装置10と称する。
なお、L3スイッチ20-1および20-2を特に区別する必要がない場合には、単に、L3スイッチ20と称する。
a)宛先アドレスが、EPC#Cで識別されるネットワークである場合、VNI値が2で識別される仮想ネットワークを使用する。
b)宛先アドレスが、EPC#Aで識別されるネットワークである場合、VNI値が100で識別される仮想ネットワークを使用する。
(第2の実施形態)
図4は、第2の例示的な実施形態にかかる移動体通信システム2の構成図である。
具体的には、第2の対応情報は、データの属性値として、eNB-IDと、データのサービス種別を示す情報とを含む。サービス種別を示す情報は、例えば、データの優先度を示す情報である。データの優先度を示す情報は、DSCP(Differentiated Services Code Point)値、およびQCI(QoS Class Identifier)である。DSCP値は、IP(Internet Protocol)ヘッダに割り当てられる、優先度を示す情報である。またQCIは、3GPP(Third Generation Partnership Project)で規定される、ベアラ毎の優先度を示す情報である。ここでは、優先度を示す2種類の情報を用いたが、1種類のみが用いられてもよい。
1)DSCP値がBest Effortであり、QCIがQCI#9である場合、VNI値が1で識別される仮想ネットワークを使用する。
2)DSCP値がAF(Assured Forwarding)#2であり、QCIがQCI#3である場合、VNI値が2で識別される仮想ネットワークを使用する。
3)DSCP値がEF(Expedited Forwarding)であり、QCIがQCI#1である場合、VNI値が100で識別される仮想ネットワークを使用する。
(第3の実施形態)
図6は、第3の例示的な実施形態にかかる移動体通信システム3の構成図である。
(変形例)
以上、実施形態を参照して本願発明を説明したが、本願発明は上記実施形態に限定されるものではない。本願発明の構成や詳細には、本願発明のスコープ内で当業者が理解し得る様々な変更をすることができる。
複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶する記憶部と、
前記対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる制御部と、
を備える制御装置。
前記仮想ネットワークそれぞれの状況を検知する検知部、をさらに備え、
前記制御部は、前記検知部が検知した状況に基づいて、前記仮想ネットワークそれぞれのルート制御を行う、付記1に記載の制御装置。
前記対応情報は、前記データの属性値として、当該データの宛先、送信元、および優先度の少なくとも1つを示す情報を含む、付記1または2に記載の制御装置。
前記対応情報は、複数種類あり、
前記制御部は、前記複数種類の対応情報のうち、各通信装置に対して予め定められたルールを満たす対応情報に基づいて、前記識別子と前記ポリシーとを割り当てる、付記1ないし3のいずれか1項に記載の制御装置。
前記複数の通信装置は、基地局の機能を協働して仮想的に実現する複数のサーバ装置を含む、付記1ないし4のいずれか1項に記載の制御装置。
前記複数の通信装置は、アンテナ装置を含む、付記5に記載の制御装置。
前記複数の通信装置は、前記物理ネットワークと他の物理ネットワークとの間を中継する中継装置を含む、付記1ないし6のいずれか1項に記載の制御装置。
複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶部に記憶させ、
前記記憶部から前記対応情報を読み出し、
前記記憶部から読み出した対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる、制御方法。
10-1~n 基地局装置
11-1~n アンテナ装置
12 仮想基地局機能部
20-1,2 L3スイッチ(中継装置)
30 制御装置
31 通信部
32 検知部
33 記憶部
34 制御部
Claims (8)
- 複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶する記憶部と、
前記対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる制御部と、
を備える制御装置。 - 前記仮想ネットワークそれぞれの状況を検知する検知部、をさらに備え、
前記制御部は、前記検知部が検知した状況に基づいて、前記仮想ネットワークそれぞれのルート制御を行う、請求項1に記載の制御装置。 - 前記対応情報は、前記データの属性値として、当該データの宛先、送信元、および優先度の少なくとも1つを示す情報を含む、請求項1または2に記載の制御装置。
- 前記対応情報は、複数種類あり、
前記制御部は、前記複数種類の対応情報のうち、各通信装置に対して予め定められたルールを満たす対応情報に基づいて、前記識別子と前記ポリシーとを割り当てる、請求項1ないし3のいずれか1項に記載の制御装置。 - 前記複数の通信装置は、基地局の機能を協働して仮想的に実現する複数のサーバ装置を含む、請求項1ないし4のいずれか1項に記載の制御装置。
- 前記複数の通信装置は、アンテナ装置を含む、請求項5に記載の制御装置。
- 前記複数の通信装置は、前記物理ネットワークと他の物理ネットワークとの間を中継する中継装置を含む、請求項1ないし6のいずれか1項に記載の制御装置。
- 複数の仮想ネットワークのそれぞれをネットワーク層レベルで識別する複数の識別子のそれぞれに、当該識別子にて識別される仮想ネットワークで伝送されるデータの属性値が対応づけられた対応情報を記憶する記憶部から前記対応情報を読み出し、
前記記憶部から読み出した対応情報に基づいて、物理ネットワークで接続された複数の通信装置のそれぞれに、前記識別子と、当該識別子にて識別される仮想ネットワークを使用するポリシーとを割り当てる、制御方法。
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JP2018056867A (ja) * | 2016-09-30 | 2018-04-05 | 株式会社Nttドコモ | 通信システム及び通信方法 |
JP2019518393A (ja) * | 2016-06-15 | 2019-06-27 | 華為技術有限公司Huawei Technologies Co.,Ltd. | パケット処理方法、及びデバイス |
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