KR20170058201A - System for providing virtual network service in multi cloud environment and method thereof - Google Patents
System for providing virtual network service in multi cloud environment and method thereof Download PDFInfo
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- KR20170058201A KR20170058201A KR1020150162118A KR20150162118A KR20170058201A KR 20170058201 A KR20170058201 A KR 20170058201A KR 1020150162118 A KR1020150162118 A KR 1020150162118A KR 20150162118 A KR20150162118 A KR 20150162118A KR 20170058201 A KR20170058201 A KR 20170058201A
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- cloud
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- virtual machine
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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
- 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]
- H04L12/2854—Wide area networks, e.g. public data networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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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
- H04L41/32—Specific management aspects for broadband networks
Abstract
A system and method for providing a virtual network in a multi-cloud environment are disclosed. A virtual network providing system according to an embodiment includes a plurality of clouds including a cloud operating system, a switch controller, and a gateway controller, a resource provisioning manager that manages virtual machines created in each cloud in cooperation with a cloud operating system of each cloud, And a virtual tenant network coordinator that links the virtual machines created in each cloud to the virtual tenant network in cooperation with the switch controller and gateway controller of the cloud.
Description
The present invention relates to virtual network management and service technology.
A large number of cloud systems for various services are being built around large data centers, and new policies and measures are being proposed to revitalize the cloud computing industry and upgrade services based on cloud computing technology. However, there is a growing need for mid- and small-scale cloud systems in physical and geographically separated environments, and the utilization of services based on small- and medium-sized cloud systems is increasing.
A Software Defined Network (SDN) supports centralized programmability of infrastructure based on hierarchical and open APIs to provide the structural flexibility and openness required for the infrastructure. do. Infrastructure providers want to evolve the network infrastructure by applying the SDN structure to software programming and control management similar to computer infrastructure. In the case of wireless and wireline operators, SDN technology is aimed at reducing costs through simplification and efficiency of infrastructure, creating new revenue models, and solving dependency problems on existing equipment vendors.
According to an embodiment, a virtual network providing system and method for efficient virtual network configuration between clouds in a distributed multi-cloud environment are proposed.
A virtual network providing system according to an embodiment includes a plurality of clouds including a cloud operating system, a switch controller, and a gateway controller, a resource provisioning manager that manages virtual machines created in each cloud in cooperation with the cloud operating system of each cloud, And a virtual tenant network coordinator that links the virtual machines created in each cloud to the virtual tenant network in cooperation with the switch controller and gateway controller of the cloud.
The gateway controller according to an embodiment controls a cloud gateway network composed of gateway switches connected to the outside of the cloud. A switch controller according to one embodiment controls a cloud internal network comprised of in-the-cloud switches.
The resource provisioning manager according to an embodiment configures a network environment of each virtual machine so that each virtual machine can be connected to the outside when receiving a virtual machine creation request from each user from the user.
The resource provisioning manager according to an exemplary embodiment generates a multi-cloud virtual tenant network identifier, requests the cloud operating system of each cloud to create a virtual network, and receives the cloud virtual network identifier generated from each cloud operating system as a result.
The cloud operating system of each cloud according to an embodiment transmits the cloud virtual network identifier to the resource provisioning manager and the switch controller of the cloud, and transmits the virtual machine port identifier to the resource provisioning manager.
The resource provisioning manager according to an exemplary embodiment maps a virtual tenant network identifier to a cloud virtual network identifier received from an operating system of each cloud, and transmits the mapping to a virtual tenant network coordinator.
The virtual tenant network coordinator according to an exemplary embodiment maps the virtual tenant network identifier to each cloud virtual network identifier and transmits it to the gateway controller of each cloud.
The resource provisioning manager according to an exemplary embodiment requests a cloud operating system of each cloud to create a virtual machine to receive a virtual machine port identifier from a cloud operating system of each cloud, and transmits the received virtual machine port identifier together with cloud information to a virtual tenant network coordinator Lt; / RTI >
The virtual tenant network coordinator according to an embodiment receives the virtual machine port identifier and the cloud information from the resource provisioning manager, requests the switch controller of each cloud for the virtual machine network information, and receives the virtual machine network information as a result.
The virtual tennenth network coordinator according to an embodiment may be configured to transmit the second virtual machine network information of the second cloud to the gateway controller of the first cloud and the second virtual machine network information of the second cloud to connect the information of each virtual machine to the
Another method of providing a virtual network in another embodiment comprises the steps of creating a virtual network in each of the distributed clouds and registering the cloud virtual network information in the gateway controller of each of the clouds and creating virtual machines respectively in the distributed clouds, Registering the virtual machine network information in each cloud with the gateway controller of the cloud to which the target virtual machine to be connected belongs.
The step of registering the cloud virtual network information according to an embodiment in the gateway controller of each cloud includes: a resource provisioning manager generating a multi-cloud virtual tenant network identifier, requesting the cloud operating system of each cloud to create a virtual network, Mapping the virtual tenant network identifier to the cloud virtual network identifier received from each cloud operating system and transmitting the mapping to the virtual tenant network coordinator; The coordinator maps the virtual tenant network identifier to each cloud virtual network identifier and transmits it to the gateway controller of each cloud.
The step of registering the virtual machine network information according to one embodiment in the gateway controller of each cloud includes the steps of the resource provisioning manager requesting the cloud operating system of each cloud to create a virtual machine and receiving the virtual machine port identifier from the cloud operating system of each cloud Receiving a virtual machine port identifier and a cloud information from a resource provisioning manager; and transmitting a virtual machine network identifier to the switch controller of each cloud, wherein the virtual machine port identifier and the virtual machine port identifier are transmitted to the virtual tenant network coordinator together with the cloud information. And receiving virtual machine network information as a result thereof.
In the step of registering with the gateway controller of the cloud according to an embodiment, in order to associate the information of each virtual machine with the virtual tenant network coordinator to the virtual tenant network, the gateway controller of the first cloud includes the second virtual machine network information And transmits the first virtual machine network information of the first cloud to the gateway controller of the second cloud.
According to one embodiment, a cloud service provider can provide a virtual network between clouds desired by the user. In this way, when a specific virtual machine (VM) in a distributed cloud is connected to one virtual network segment and operated independently of other virtual network segments, it is physically connected to the external network By positioning and controlling the switching function in a cloud edge gateway (GW), it is possible to efficiently use IP resources and provide a secure independent network to users. In addition, by separating the physical device from the virtual network, the physical device dependency can be reduced and the network can be operated easily and quickly.
By controlling the circuit connection of the GW switch group at the end of the cloud network where the cloud is connected to the external network and the WAN section connected to the transport network leased from the network operator, Can manage its own virtual network topology and control traffic to the virtual network.
1 is a configuration diagram of a distributed multi-cloud virtual tenant network (VTN) providing system according to an embodiment of the present invention;
FIG. 2 is a hierarchical diagram illustrating a connection between a switch and a user VM in the cloud of FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a reference view showing a control range of a multi-cloud distributed multi-cloud VTN providing system according to an embodiment of the present invention;
4A and 4B are a message flow diagram illustrating a process of generating a multi-cloud multi-cloud VTN distributed across two regions according to an embodiment of the present invention.
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention of the user, the operator, or the like. Therefore, the definition should be based on the contents throughout this specification.
1 is a configuration diagram of a distributed multi-cloud virtual tenant network (VTN) system according to an embodiment of the present invention.
Referring to FIG. 1, a VTN providing system between two distributed clouds 100-1 and 100-2 includes a
According to one embodiment, the two distributed clouds 100-1 and 100-2 are connected to a wide area network (WAN) 500 rented to a network operator. The VTN providing system between the dispersed clouds 100-1 and 100-2 and the WAN 500 work together to form a
The
The GW switches 131-1, 132-1, 131-2, and 132-2 in the inside of the cloud are connected to the lines of the
According to an exemplary embodiment of the present invention, the multi-cloud multi-cloud VTN providing system distributed in two regions is composed of the SDN which is the cloud internal network 140-1 and 140-2 and the GW SDN including the GW switches.
The
FIG. 2 is a hierarchical diagram illustrating a connection of a switch and a user VM in the cloud of FIG. 1 according to an embodiment of the present invention.
Each cloud internal network has a number of switches and a user VM for each switch. Each switch may be a physical switch or a virtual switch. The
FIG. 3 is a reference view showing a control range of a multi-cloud multi-cloud VTN providing system distributed in two regions according to an embodiment of the present invention.
The control range of the switch controller 1 (120-1) is the
In order to provide a multi-cloud VTN for the VM resources requested by the user, the distributed multi-cloud to multi-cloud VTN providing system has a hierarchical control and management structure as shown in FIG.
4A and 4B are a message flow diagram illustrating a process of generating a multi-cloud multi-cloud VTN distributed across two regions according to an embodiment of the present invention.
Referring to FIG. 4A, when the
Specifically, the
The
The
Next, the
The cloud OS1 110-1 transmits information for controlling the virtual network of the VM1 such as the port ID and port information of the VM1, the network information, and the subnetwork information to the switch controller 120-1 (4016). The information transmitted to the switch controller 1 (120-1) is utilized to control and manage the cloud internal virtual network.
The
The
Referring to FIG. 4B, when the
Specifically, the
The
The
Then, the
The cloud OS2 110-2 transmits information for controlling the virtual network of the VM2 such as the port ID and port information of the VM2, the network information, and the subnetwork information to the switch controller 2 (120-2) (4116). The information transmitted to the switch controller 2 (120-2) is utilized to control and manage the cloud internal virtual network.
The
The
When the network environment of the VMs in each of the clouds is set and the VM creation is completed and the preparations for connecting between the clouds are completed, the
The embodiments of the present invention have been described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.
100-1,100-2: Cloud
110-1,110-2: Cloud OS
120-1, 120-2: switch controller
121-1, 122-1, 121-2,
130-1, 130-2: GW controller
131-1,132-1,131-2,132-2: GW switch
300: Resource Provisioning Manager
400: VTN coordinator
500: WAN
600: Multi-Cloud Virtual Tethered Network
Claims (16)
Resource Provisioning Manager that manages virtual machines created in each cloud in conjunction with each cloud's cloud operating system; And
A virtual tenant network coordinator interworking with a switch controller and a gateway controller of each cloud to connect virtual machines created in each cloud to a virtual tenant network;
The virtual network providing system comprising:
And controlling the cloud gateway network composed of gateway switches connected to the outside of the cloud.
And controls the cloud internal network composed of the internal switches of the cloud.
Wherein a network environment of each virtual machine is configured so that each virtual machine can be connected to the outside when receiving a virtual machine creation request from each user in each cloud.
The method comprising: generating a multi-cloud virtual tenant network identifier, requesting a cloud operating system of each cloud to create a virtual network, and receiving a cloud virtual network identifier generated from each cloud operating system as a result.
And transmits the cloud virtual network identifier to the resource provisioning manager and the switch controller of the cloud, and transmits the virtual machine port identifier to the resource provisioning manager.
Maps the virtual tenant network identifier to the cloud virtual network identifier received from the operating system of each cloud, and transmits the mapping to the virtual tenant network coordinator.
Mapping the virtual tenant network identifier to each cloud virtual network identifier, and transmitting the mapping to the gateway controller of each cloud.
Requesting the cloud operating system of each cloud to create a virtual machine, receiving a virtual machine port identifier from the cloud operating system of each cloud, and transmitting the received virtual machine port identifier together with the cloud information to the virtual tenant network coordinator. Delivery system.
Wherein the cloud-to-cloud virtual network is integrally controlled in a hierarchical structure in which a software defined network composed of gateway switches in each cloud is interlocked with gateway controllers.
Receives the virtual machine port identifier and the cloud information from the resource provisioning manager, requests the switch controller of each cloud for the virtual machine network information, and receives the virtual machine network information as a result.
To connect the information of each virtual machine to the virtual tenant network, the second virtual machine network information of the second cloud is sent to the gateway controller of the first cloud and the first virtual machine network information of the first cloud is sent to the gateway controller of the second cloud To the virtual network.
Creating virtual machines in distributed clouds and registering virtual machine network information in a gateway controller of each cloud; And
Registering virtual machine network information in each cloud with a gateway controller of a cloud to which a target virtual machine to be connected belongs;
The method comprising the steps of:
The resource provisioning manager generates a multi-cloud virtual tenant network identifier, requests a cloud operating system of each cloud to create a virtual network, and receives a cloud virtual network identifier generated from each cloud operating system as a result;
Mapping the virtual tenant network identifier to the cloud virtual network identifier received from each cloud operating system and transmitting the mapping to the virtual tenant network coordinator; And
Mapping a virtual tenant network identifier to each cloud virtual network identifier and transmitting the virtual tenant network identifier to a gateway controller of each cloud;
The method comprising the steps of:
The resource provisioning manager requests creation of a virtual machine in the cloud operating system of each cloud, receives the virtual machine port identifier from the cloud operating system of each cloud, and transmits the received virtual machine port identifier together with the cloud information to the virtual tenant network coordinator; And
Receiving a virtual machine port identifier and cloud information from the resource provisioning manager, requesting virtual machine network information from a switch controller of each cloud, and receiving virtual machine network information as a result;
The method comprising the steps of:
The virtual tennin network coordinator transmits the second virtual machine network information of the second cloud to the gateway controller of the first cloud to link the information of each virtual machine to the virtual tenant network and the gateway controller of the second cloud transmits the second virtual machine network information of the first cloud And transmitting the first virtual machine network information.
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Cited By (15)
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US9934060B2 (en) * | 2014-10-13 | 2018-04-03 | Vmware, Inc. | Hybrid service fleet management for cloud providers |
KR20190035592A (en) | 2017-09-26 | 2019-04-03 | 경희대학교 산학협력단 | Distributed Broker Coordinator System and Method in a Distributed Cloud Environment |
CN109587243A (en) * | 2018-12-05 | 2019-04-05 | 郑州云海信息技术有限公司 | A kind of cloud platform and dispositions method comprising distributed storage |
US20230026865A1 (en) * | 2021-07-24 | 2023-01-26 | Vmware, Inc. | Network management services in a virtual network |
US20230026330A1 (en) * | 2021-07-24 | 2023-01-26 | Vmware, Inc. | Network management services in a point-of-presence |
US11792127B2 (en) | 2021-01-18 | 2023-10-17 | Vmware, Inc. | Network-aware load balancing |
US11804988B2 (en) | 2013-07-10 | 2023-10-31 | Nicira, Inc. | Method and system of overlay flow control |
US11831414B2 (en) | 2019-08-27 | 2023-11-28 | Vmware, Inc. | Providing recommendations for implementing virtual networks |
US11855805B2 (en) | 2017-10-02 | 2023-12-26 | Vmware, Inc. | Deploying firewall for virtual network defined over public cloud infrastructure |
US11895194B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Layer four optimization for a virtual network defined over public cloud |
US11894949B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Identifying multiple nodes in a virtual network defined over a set of public clouds to connect to an external SaaS provider |
US11902086B2 (en) | 2017-11-09 | 2024-02-13 | Nicira, Inc. | Method and system of a dynamic high-availability mode based on current wide area network connectivity |
US11909815B2 (en) | 2022-06-06 | 2024-02-20 | VMware LLC | Routing based on geolocation costs |
US11929903B2 (en) | 2020-12-29 | 2024-03-12 | VMware LLC | Emulating packet flows to assess network links for SD-WAN |
US11943146B2 (en) | 2021-10-01 | 2024-03-26 | VMware LLC | Traffic prioritization in SD-WAN |
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2015
- 2015-11-18 KR KR1020150162118A patent/KR20170058201A/en unknown
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US11804988B2 (en) | 2013-07-10 | 2023-10-31 | Nicira, Inc. | Method and system of overlay flow control |
US9934060B2 (en) * | 2014-10-13 | 2018-04-03 | Vmware, Inc. | Hybrid service fleet management for cloud providers |
KR20190035592A (en) | 2017-09-26 | 2019-04-03 | 경희대학교 산학협력단 | Distributed Broker Coordinator System and Method in a Distributed Cloud Environment |
US11855805B2 (en) | 2017-10-02 | 2023-12-26 | Vmware, Inc. | Deploying firewall for virtual network defined over public cloud infrastructure |
US11894949B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Identifying multiple nodes in a virtual network defined over a set of public clouds to connect to an external SaaS provider |
US11895194B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Layer four optimization for a virtual network defined over public cloud |
US11902086B2 (en) | 2017-11-09 | 2024-02-13 | Nicira, Inc. | Method and system of a dynamic high-availability mode based on current wide area network connectivity |
CN109587243A (en) * | 2018-12-05 | 2019-04-05 | 郑州云海信息技术有限公司 | A kind of cloud platform and dispositions method comprising distributed storage |
CN109587243B (en) * | 2018-12-05 | 2021-10-29 | 郑州云海信息技术有限公司 | Cloud platform comprising distributed storage and deployment method |
US11831414B2 (en) | 2019-08-27 | 2023-11-28 | Vmware, Inc. | Providing recommendations for implementing virtual networks |
US11929903B2 (en) | 2020-12-29 | 2024-03-12 | VMware LLC | Emulating packet flows to assess network links for SD-WAN |
US11792127B2 (en) | 2021-01-18 | 2023-10-17 | Vmware, Inc. | Network-aware load balancing |
US20230026330A1 (en) * | 2021-07-24 | 2023-01-26 | Vmware, Inc. | Network management services in a point-of-presence |
US20230026865A1 (en) * | 2021-07-24 | 2023-01-26 | Vmware, Inc. | Network management services in a virtual network |
US11943146B2 (en) | 2021-10-01 | 2024-03-26 | VMware LLC | Traffic prioritization in SD-WAN |
US11909815B2 (en) | 2022-06-06 | 2024-02-20 | VMware LLC | Routing based on geolocation costs |
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