CN104202264A - Carrying resource allocation method for clouded data center network, device and system - Google Patents

Carrying resource allocation method for clouded data center network, device and system Download PDF

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Publication number
CN104202264A
CN104202264A CN201410373067.XA CN201410373067A CN104202264A CN 104202264 A CN104202264 A CN 104202264A CN 201410373067 A CN201410373067 A CN 201410373067A CN 104202264 A CN104202264 A CN 104202264A
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China
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described
node
information
communication path
peer node
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CN201410373067.XA
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Chinese (zh)
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CN104202264B (en
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余庆华
杨欣华
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华为技术有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L29/00Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/00 - H04L27/00
    • H04L29/02Communication control; Communication processing
    • H04L29/06Communication control; Communication processing characterised by a protocol
    • H04L29/08Transmission control procedure, e.g. data link level control procedure

Abstract

The embodiment of the invention provides a carrying resource allocation method for a clouded data center network, a device and a system. The method comprises the following steps: receiving a communication path request sent by a cloud platform management device by using an SDN (Software Defined Network) controller, wherein the communication path request carries the address information of a home terminal node, the address information of an opposite terminal node, and bandwidth demand information and QoS (Quality of Service) demand information between the home terminal node and the opposite terminal node, and the cloud platform management device, the home terminal node and the opposite terminal node are positioned in the clouded data center network in which the SDN controller is positioned; allocating a communication path which is consistent with a bandwidth demand and a QoS demand to the home terminal node and the opposite terminal node from network resources managed by the SDN controller according to the address information of the home terminal node, the address information of the opposite terminal node, the bandwidth demand information and the QoS demand information; and transmitting a forwarding flow table of the communication path to forwarding plane equipment of the clouded data center network in order to establish a forwarding plane communication path between the home terminal node and the opposite terminal node through the forwarding plane equipment.

Description

The distribution method for beared resource of cloud data center network, Apparatus and system

Technical field

The embodiment of the present invention relates to the communications field, and more specifically, relates to distribution method for beared resource, the Apparatus and system of cloud data center network.

Background technology

Telecommunication Network Element cloud refers to traditional Telecommunication Network Element based on physics machine frame and veneer and application is deployed to above general data center server in the mode of software VM (virtual machine), various telecommunication services are externally provided, this deployment way is in the industry cycle called network function virtual (Network Functions Virtualization, NFV).In the data center of cloud, Telecommunication Network Element and application are the form existence with VM (virtual machine), rather than exist with the veneer form on conventional telecommunications hardware.Between network element and network element, and the communication between same network element internal different business process all shows as the communication between VM.

According to the feature of data center's cloud computing, VM can dispose arbitrarily and move, also just mean that communication flows between VM is according to the difference of VM deployed position, flow likely process frame topcross is changed planes (Top of Rack, TOR), row convergence switch (End of Row, EOR) and core switch, also may only pass through TOR+EOR, or only pass through TOR, or flow is only inner at server.

How to improve the utilization ratio of bearing resource (link circuit resource), and for the communication of VM provides suitable bearing resource (link circuit resource), be technical problem to be solved by this invention.

Summary of the invention

The embodiment of the present invention provides a kind of distribution method for beared resource, Apparatus and system of cloud data center network, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improves to a certain extent the utilization ratio of bearing resource.

First aspect, a kind of distribution method for beared resource of cloud data center network has been proposed, the method comprises: SDN controller receives the communication path request that cloud platform management device sends, wherein, bandwidth demand information and the QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request, this this end node is VM or VNF, and this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place; This SDN controller, according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, is that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator from the Internet resources of this SDN controller management; This SDN controller sends the forwarding flow table of this communication path to the forwarding face equipment of this cloud data center network, to set up the forwarding face communication path between this this end node and this peer node by forwarding face equipment.

In conjunction with first aspect, in the possible implementation of the first, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, SDN controller is according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node is with the communication path specific implementation that this peer node allocator closes bandwidth demand and Qos demand: this SDN controller is according to this VM migration event indication information, this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before this this end node migration and the address information of this peer node, cancel the communication path before this this end node moves with this peer node.

In conjunction with first aspect, in the possible implementation of the second, bandwidth anomalous event indication information is also carried in this communication path request, this SDN controller is according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node is with the communication path specific implementation that this peer node allocator closes bandwidth demand and Qos demand: this SDN controller is according to this bandwidth anomalous event indication information, this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, again from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.

In conjunction with any possible implementation in the possible implementation of the second of the possible implementation of the first of first aspect or first aspect or first aspect, in the 4th kind of possible implementation, it is one of following that the address information of communication node at least comprises: the identify label ID of this communication node, MAC Address is controlled in the media interviews of this communication node, the Internet protocol IP address of this communication node, the ID of this communication node place server, the ID of this communication node place LAN switch LSW, the MAC Address of this communication node place LSW, the IP address of this communication node place LSW, wherein, this communication node is this this end node or this peer node.

In conjunction with the possible implementation of the first of first aspect or first aspect to any possible implementation in the third possible implementation of first aspect, in the 4th kind of possible implementation, it is one of following that the bandwidth demand information between this this end node and peer node at least comprises: the minimum between this this end node and peer node guarantees the maximum available bandwidth between bandwidth, this this end node and peer node.

In conjunction with the possible implementation of the first of first aspect or first aspect to any possible implementation in the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, it is one of following that the QoS demand information between this this end node and peer node at least comprises: the maximum between the maximum allowable delay between this this end node and peer node, this this end node and peer node allows the maximum between shake, this this end node and peer node to allow packet loss.

Second aspect, a kind of distribution method for beared resource of cloud data center network has been proposed, the method comprises: cloud platform management device obtains bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node, wherein, this this end node is VM or VNF, this cloud platform management device sends communication path request to SDN controller, wherein, local terminal address of node information is carried in this communication path request, the address information of peer node, bandwidth demand information between this this end node and this peer node and QoS demand information, this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place, this communication path request is used for asking this SDN controller according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.

In conjunction with second aspect, in the possible implementation of the first, specific implementation is: this communication path request distributes new communication path for asking for this this end node and this peer node.The address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this communication path request is that after moving, this this end node is redistributed communication path with this peer node for request, and cancels the communication path between front this this end node of migration and this peer node.

In conjunction with second aspect, in the possible implementation of the second, specific implementation is: bandwidth anomalous event indication information is also carried in this communication path request, and this communication path request redistributes with this peer node the communication path that meets bandwidth demand and Qos demand for this this end node after migration for asking.

The third aspect, a kind of software defined network controller has been proposed, this software defined network controller comprises: receiving element, the communication path request sending for receiving cloud platform management device, wherein, bandwidth demand information and the QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request, this this end node is VM or VNF, and this cloud platform management device, this this end node and this peer node are arranged in this cloud data center network; Path allocation unit, for according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator; Transmitting element, sends the forwarding flow table of this communication path for the forwarding face equipment to this cloud data center network, to set up the forwarding face communication path between this this end node and this peer node by forwarding face equipment.

In conjunction with the third aspect, in the possible implementation of the first, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this path allocation unit specifically for: according to this VM migration event indication information, this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this software defined network controller management for this this end node and this peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before this this end node migration and the address information of this peer node, cancel the communication path before this this end node moves with this peer node.

In conjunction with the third aspect, in the possible implementation of the first, bandwidth anomalous event indication information is also carried in this communication path request, this path allocation unit specifically for: according to address information, this bandwidth demand information and this QoS demand information of this bandwidth anomalous event indication information, this local terminal address of node information, this peer node, again from the Internet resources of this SDN controller management for this this end node and this peer node allocator close the communication path of bandwidth demand and Qos demand.

Fourth aspect, a kind of cloud platform management device has been proposed, this cloud platform management device comprises: acquiring unit, for obtaining bandwidth demand information and the QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node, wherein, this this end node is VM or VNF; Generation unit, for generating communication path request, wherein, bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request; Transmitting element, for sending this communication path request to SDN controller, wherein, this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place, this communication path request, for asking this SDN controller according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, is that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator from the Internet resources of this SDN controller management.

In conjunction with fourth aspect, in the possible implementation of the first, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this communication path request is that after moving, this this end node is redistributed communication path with this peer node for request, and cancels the communication path between front this this end node of migration and this peer node.

In conjunction with fourth aspect, in the possible implementation of the second, bandwidth anomalous event indication information is also carried in this communication path request, and this communication path request redistributes with this peer node the communication path that meets bandwidth demand and Qos demand for this this end node after migration for asking.

The possible implementation of the second in conjunction with the possible implementation of the first of fourth aspect or fourth aspect or fourth aspect, in the third possible implementation, this cloud platform management device is virtual machine VM control and management device, virtual network function management VNFM device, systematic unity conditioning unit or management coordination MANO device.

The 5th aspect, a kind of data center systems has been proposed, it is characterized in that, comprise the software defined network controller in the possible implementation of the second of implementation that the first of the third aspect or the third aspect is possible or the third aspect, and the cloud platform management device in the third possible implementation of the possible implementation of the second of the possible implementation of the first of fourth aspect or fourth aspect or fourth aspect or fourth aspect.

Based on above technical scheme, distribution method for beared resource and the device of the cloud data center network of the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to cloud platform management device, address information, this end node and the peer node of peer node, distribute the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is embodiment of the present invention data center network configuration diagram.

Fig. 2 is embodiment of the present invention SDN network architecture schematic diagram.

Fig. 3 is the distribution method for beared resource flow chart of cloud data center network.

Fig. 4 is the interaction diagrams of cloud data center network distribution method for beared resource.

Fig. 5 is another interaction diagrams of cloud data center network distribution method for beared resource.

Fig. 6 is interaction diagrams again of cloud data center network distribution method for beared resource.

Fig. 7 is interaction diagrams again of cloud data center network distribution method for beared resource.

Fig. 8 is the distribution method for beared resource flow chart of cloud data center network.

Fig. 9 is the structural representation of embodiment of the present invention SDN controller.

Figure 10 is the structural representation of embodiment of the present invention cloud platform management device.

Figure 11 is another structural representation of embodiment of the present invention SDN controller.

Figure 12 is another structural representation of embodiment of the present invention cloud platform management device.

Figure 13 is the structural representation of embodiment of the present invention data center systems.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.

To facilitate understanding of the present embodiment of the invention, first at this, introduce the several key elements that can introduce in embodiment of the present invention description.

Software defined network (Software Defined Network, SDN): be a kind of new network of Emulex network innovation framework, by network equipment chain of command and data surface are separated, thereby realize the flexible control of network traffics.

SDN controller, the controller equiment of SDN, is storing the network topological information of SDN.The network topology structure that SDN controller can discovering network switch forms, is included in the software switch on hypervisor, and the hardware switch in data center's rack.SDN controller has been transformed into hubbed mode network programming pattern from distribution pattern (network equipment of intercommunication determines forward-path mutually).SDN controller can utilize OpenFlow to programme to transmitting of the network switch.

Fig. 1 is embodiment of the present invention data center network configuration diagram.In the scene shown in Fig. 1, Telecommunication Network Element and application are the form existence with VM (virtual machine), rather than exist with the veneer form on conventional telecommunications hardware.Between network element and network element, and the communication between same network element internal different business process all shows as the communication between VM.As shown in Figure 1, network element 1,2,3 is all deployed on the server of data center, and each network element comprises a plurality of VM, is distributed on multiple servers respectively.Between the service of data center by the interconnected communication port that provides of switch of the different levels such as TOR, EOR, core switch.Service Gateway, comprises fire compartment wall, load equalizer etc., general other hanging on core switch during networking.In figure, double-head arrow solid line represents the communication of VM between network element, and double-head arrow dotted line represents the communication between different VM in same network element.

According to the feature of data center's cloud computing, VM can dispose arbitrarily and move, also just mean that communication flows between VM is according to the difference of VM deployed position, flow likely passes through TOR, EOR and core switch, also may only pass through TOR+EOR, or only pass through TOR, or flow is only inner at server.For meeting telecommunication service SLA standard, the IP communication between these VM must meet certain qos requirement.

Should be understood that Fig. 1 is only a kind of application scenarios of the embodiment of the present invention.In actual application, may there is various deformation.For example, VM replaces with VNF, etc., also may in the network architecture shown in Fig. 1, increase or delete some network nodes, this is not restricted for the embodiment of the present invention.

Fig. 2 is embodiment of the present invention SDN network architecture schematic diagram.Under SDN framework, network control face concentrates on SDN controller (SDN Controller) and realizes, and forwarded face is realized at the forwarding unit of infrastructure layer, and forwarding unit is only responsible for the forwarding of message, the calculating of not responsible forward-path and maintenance.The concrete forward-path of each IP stream on network controlled by SDN Controller, and for example, by (controlling data surface interface protocol, Openflow agreements etc.) be issued to and forward the execution of layer equipment, the communication path of each IP stream can be controlled flexibly by SDN Controller.

Fig. 3 is the distribution method for beared resource flow chart of cloud data center network.The method of Fig. 3 is carried out by SDN controller.

301, SDN controller receives the communication path request that cloud platform management device sends.

Bandwidth demand information and the QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request, this this end node is virtual machine (Virtual Machine, VM) or virtual network function entity (Virtualized Network Function, VNF), this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place.

Should be understood that in the embodiment of the present invention, peer node can be VM, physical machine or VNF.

Should understand, in the embodiment of the present invention, cloud platform management device can be VM control and management device, virtual network function management (Virtualized Network Function Manager, VNFM) device, systematic unity conditioning unit or management coordination (Management and Orchestration, MANO) device.

Should understand, in the embodiment of the present invention, address information not only can comprise direct address information, as (Media Access Control is controlled in media interviews, MAC) address, Internet protocol (Internet Protocol, IP) address etc., also can comprise indirect address information, as identification information etc.Particularly, it is one of following that the address information of communication node at least comprises: the identify label (Identity of this communication node, ID), the ID of the ID of the IP address of the MAC Address of this communication node, this communication node, this communication node place server, this communication node place LAN switch (Lan Switch, LSW) is, the IP address of the MAC Address of this communication node place LSW, this communication node place LSW; Wherein, this communication node is this this end node or this peer node.

It is one of following that the bandwidth demand information between this this end node and peer node of should be understood that at least comprises: the minimum between this this end node and peer node guarantees the maximum available bandwidth between bandwidth, this end node and peer node.

Should be understood that QoS demand information between this this end node and peer node at least comprises one of following: the maximum between the maximum allowable delay between this this end node and peer node, this this end node and peer node allows the maximum between shake, this this end node and peer node to allow packet loss.

302, this SDN controller, according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, is that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator from the Internet resources of this SDN controller management.

Particularly, this SDN controller is being stored the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network.SDN controller can be according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, in conjunction with the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close the communication path of bandwidth demand and Qos demand.

303, this SDN controller sends the forwarding flow table of this communication path to the forwarding face equipment of this cloud data center network, to set up the forwarding face communication path between this this end node and this peer node by forwarding face equipment.

In the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to cloud platform management device, address information, this end node and the peer node of peer node, distribute the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Should be understood that the method for the embodiment of the present invention, applicable to plurality of application scenes.

Alternatively, as an embodiment, this communication path request can be used for asking SDN controller to set up new communication path for this end node and peer node.A kind of application scenarios of the embodiment of the present invention, this this end node can be newly deployed VM, prepares to set up and communicate by letter with peer node.The another kind of application scenarios of the embodiment of the present invention, this this end node and the built vertical communication path of peer node, because of business demand, need a new communication path.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request.Now, step 302 specific implementation is: this SDN controller is according to address information, this bandwidth demand information and this QoS demand information of this VM migration event indication information, this local terminal address of node information, this peer node, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before this this end node migration and the address information of this peer node, cancel the communication path before this this end node moves with this peer node.In the embodiment of the present invention, the VM that is migration by SDN controller redistributes communication path, make the business of VM carrying to realize migration in the situation of non-interrupting service communication, guaranteed the uninterrupted operation of business, improve to a certain extent the performance of cloud data center systems.

Alternatively, as another embodiment, bandwidth anomalous event indication information is also carried in this communication path request.Now, step 302 specific implementation is: this SDN controller, according to address information, this bandwidth demand information and this QoS demand information of this bandwidth anomalous event indication information, this local terminal address of node information, this peer node, is that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator again from the Internet resources of this SDN controller management.In the embodiment of the present invention, by SDN controller, be that bandwidth abnormal VM occurs is redistributed communication path, can be when the QoS of VM business demand changes, dynamically adjust the forward-path of forwarding face, thereby can guarantee the Qos of VM communication, and then the business of VM carrying can be protected, improve to a certain extent the performance of cloud data center systems.

Below, in connection with specific embodiment, the method for the embodiment of the present invention is further described.

Fig. 4 is the interaction diagrams of cloud data center network distribution method for beared resource.In the embodiment of the present invention, cloud platform management device is VM control and management device, VM Manager for example, etc.

401, VM control and management device is disposed new VM.

When service needed VM, can be to the application of VM administration module, VM administration module can be disposed a suitable VM according to the demand of business.

Bandwidth demand and the qos requirement of each VM correspondence with foreign country of VM control and management device management.When disposing new VM, VM control and management device need to be set up for new VM external forward-path.Now, VM control and management device need to obtain bandwidth demand and the QoS demand of new VM correspondence with foreign country.

402, VM control and management device sends communication path request to SDN controller.

VM control and management device sends communication path request to SDN controller, for the communication request of new VM and peer node thereof is set up communication path.Wherein, the bandwidth demand information of communicating by letter between the address information of portability local terminal address of node information, peer node in this communication path request, this end node and peer node, and the QoS demand information of communicating by letter between this end node and peer node etc.In addition, the new VM of this this end node for being about to dispose.

VM control and management device, this end node and peer node are all arranged in Yun Hua data center, the node on the SDN network of Shi Yunhua data center.The controller equiment of SDN controller Shi Yunhua data center, the Qos information that can store network topological information, available bandwidth resources information and each forward-path of Yun Hua data center.

Particularly, local terminal address of node information, it can be the identification information of this end node, such as the ID of this end node, MAC Address, IP address etc., or the access address information of this end node, for example the server identification information at this end node place, comprises the server ID at this end node place, the MAC Address of the access LSW of the access LSW ID of this end node, this end node etc.The address information of peer node, can be ID, MAC Address, IP address of peer node etc., or the access address information of peer node, for example the server identification information at peer node place, comprises the server ID at peer node place, the MAC Address of the access LSW of the access LSW ID of peer node, peer node etc.

Particularly, the bandwidth demand information of this end node and peer node can comprise that the minimum of this end node and peer node guarantees at least one in bandwidth and maximum available bandwidth.

Particularly, the QoS demand information of this end node and peer node can comprise the permission maximum of time delay, at least one in the permission maximum of the permission maximum of packet loss, shake.

A concrete example, the following content of communication path request portability: this end node (new VM) MAC Address+peer node MAC Address+minimum guarantees that bandwidth+maximum available bandwidth+maximum allowable delay+maximum allows shake+maximum packet loss that allows.For example, " 28-6e-d4-88-c4-f8 "+" 28-6e-d4-88-c5-03 "+10Mbps+100Mbps+50ms+5ms+0.01.The example that should be understood that the request of embodiment of the present invention communication path is only an example, and the embodiment of the present invention is not limited to this.

403, SDN controller is determined forward-path.

SDN controller receives after communication path request, can, according to the forward-path algorithm of himself, determine the forward-path between this end node and peer node.A kind of possible computation algorithm is as follows:

SDN controller is safeguarded topology and the available bandwidth resources data of whole data center IP network, and the QoS data of having collected each forward-path according to historical traffic statistics.When SDN controller receives after this end node of the newly-built communication path of needs and the bandwidth demand and QoS demand of peer node MAC Address, this end node and peer node signal post need of the transmission of VM control and management device, can be from the bandwidth resources and QoS database safeguarded, select a forward-path satisfying condition, and revise original available bandwidth resources data.

404, SDN controller sends forwarding flow table to the face of forwarding equipment, carries forward-path information.

SDN controller after determining forward-path, can by control data surface interface (for example, Openflow agreement) issue carry forward-path forwarding flow table to forwarding face equipment.

405, forward face equipment and set up forward-path.

Forwarding face equipment receives after the forwarding flow table that carries forward-path, can set up bearer network IP forward-path according to forwarding flow table.

406, forward face equipment and be successfully established indication information to SDN controller transmit path.

Forwarding face equipment is set up after forward-path, can be successfully established indication information to SDN controller transmit path.

407, SDN controller sends the feedback information of communication path request to VM control and management device.

SDN controller can send to VM control and management device the feedback information of communication path request, and indication communication path is successfully established.

408, VM control and management device completes deployment.

VM control and management device can confirm that the forward-path of new VM is set up complete after receiving the feedback information that the forward-path of SDN controller feedback is successfully established.Now, can complete the deployment of newly-increased VM.

In the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to VM control and management device, address information, this end node and the peer node of peer node, for newly deployed VM and peer node allocate communications path, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Should be understood that in the embodiment of the present invention, cloud platform management device can also be other device, for example, and VNFM, MANO or systematic unity conditioning unit etc.When cloud platform management device changes, communication node may be different.For example, when cloud platform management device is VNFM, VM can replace with VNF.Certainly, also may have other similar embodiment, the embodiment of the present invention does not repeat them here.

Fig. 5 is another interaction diagrams of cloud data center network distribution method for beared resource.In the embodiment of the present invention, cloud platform management device is VM control and management device.

To VM, there is migration operation in 501, VM control and management assembly monitor.

In data center's cloud environment, the transition process of VM is controlled by VM management platform.Bandwidth and QoS demand when VM management platform is being managed VM deployment, also managing VM migration required bandwidth and QoS demand later simultaneously.

502, VM control and management device sends communication path request to SDN controller.

When VM starts migration operation, VM control and management device can send communication path request to SDN controller, asks as communicate by letter the more new communication path of this end node (VM after migration) with peer node.Wherein, address information, bandwidth demand information and the QoS demand information etc. of the address information before portability VM migration event sign, the migration of this end node (address information before VM migration), local terminal address of node information (address information after VM migration), peer node in this communication path request.The specific implementation of address information, bandwidth demand information and QoS demand information can be with reference to the step 402 of figure 4, and the embodiment of the present invention does not repeat them here.

VM control and management device, this end node and peer node are all arranged in Yun Hua data center, the node on the SDN network of Shi Yunhua data center.The controller equiment of SDN controller Shi Yunhua data center, the Qos information that can store network topological information, available bandwidth resources information and each forward-path of Yun Hua data center.

Because VM migration is with respect to IP transmission network, there is MAC drift event one time in equivalence, generally, this situation is a kind of anomalous event (the counterfeit security attack of MAC may occur), and traditional datacom device can report the alarm event of a MAC drift.For preventing VM when migration, IP network also reports this unnecessary abnormality alarming, VM control and management device can be told SDN controller VM migration event, illustrate that this is once normal MAC Address migration, needn't reporting MAC drift alarm, and request is handed down to forwarding face equipment for VM recalculates a forward-path after moving.

A concrete example, the following content of communication path request portability: MAC Address before the migration of VM migration event sign+this end node (MAC Address before VM migration)+local terminal node M AC address (MAC Address after VM migration)+peer node MAC Address+minimum guarantees that bandwidth+maximum available bandwidth+maximum allowable delay+maximum allows shake+maximum packet loss that allows.For example, " 01 "+" 28-6e-d4-88-c4-22 "+" 28-6e-d4-88-c4-f8 "+" 28-6e-d4-88-c5-03 "+10Mbps+100Mbps+50ms+5ms+0.01, wherein " 01 " is VM migration event sign.Certainly, in actual application, may adopt out of Memory as VM migration event sign, this is not restricted for the embodiment of the present invention.

The example that should be understood that the request of embodiment of the present invention communication path is only an example, and the embodiment of the present invention is not limited to this.

503, SDN controller is determined forward-path.

SDN controller receives after communication path request, can, according to the forward-path algorithm of himself, determine the forward-path between this end node (VM after migration) and peer node.A kind of possible computation algorithm is as follows:

SDN controller is safeguarded topology and the available bandwidth resources data of whole data center IP network, and the QoS data of having collected each forward-path according to historical traffic statistics.When SDN controller receives after the communication path request of VM control and management device transmission, can confirm that migration event occurs VM, shielding MAC drift alarm, and from the bandwidth resources and QoS database safeguarded, select a forward-path satisfying condition, and discharge the communication path distributing before VM migration, and revise original available bandwidth resources data.Wherein, MAC Address (MAC Address before VM migration), local terminal node M AC address (MAC Address after VM migration), peer node MAC Address before portability VM migration event notice, the migration of this end node in this communication path request, and the bandwidth requirement that needs of signal post and qos requirement

504, SDN controller sends forwarding flow table to the face of forwarding equipment, carries forward-path information.

Particularly, the newly assigned communication path of portability in forwarding flow table.Certainly, in forwarding flow table, go back the communication path information before the migration of portability peer node.

505, forward face equipment and set up forward-path.

Forwarding face equipment is that this end node (VM after migration) and peer node thereof are set up communication path, and discharges the communication path distributing before this end node (VM) migration.

506, forward face equipment and be successfully established indication information to SDN controller transmit path.

507, SDN controller sends the feedback information of communication path request to VM control and management device.

The method of step 506 and step 507 and the step 406 of Fig. 4,407 similar, the embodiment of the present invention does not repeat them here.

508, VM control and management device completes the migration operation of VM.

After communication path between this end node VM and peer node re-establishes successfully, the migration operation of VM completes.

In the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to VM control and management device, address information, this end node and the peer node of peer node, for the VM after migration and the communication path between peer node, can be in the situation that not stopping business service, guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Should be understood that in the embodiment of the present invention, cloud platform management device can also be other device, for example, and VNFM, MANO or systematic unity conditioning unit etc.When cloud platform management device changes, communication node may be different.For example, when cloud platform management device is VNFM, VM can replace with VNF.Certainly, also may have other similar embodiment, the embodiment of the present invention does not repeat them here.

Fig. 6 is interaction diagrams again of cloud data center network distribution method for beared resource.In the embodiment of the present invention, cloud platform management device is MANO.

601, MANO monitors the newly-increased correspondence with foreign country link of VM.

MANO manages bandwidth demand and the qos requirement of each VM correspondence with foreign country.

In cloud data center systems, MANO can monitor the business of the VM moving and the variation of configuration data, determines the whether newly-increased correspondence with foreign country link of VM.

602, MANO sends communication path request to SDN controller.

When MANO monitors the newly-increased correspondence with foreign country link of VM, can send communication path request to SDN controller, request distributes new communication path.Wherein, the bandwidth demand information of communicating by letter between the address information of portability local terminal address of node information, peer node in this communication path request, this end node and peer node, and the QoS demand information of communicating by letter between this end node and peer node etc.

MANO, this end node and peer node are all arranged in Yun Hua data center, the node on the SDN network of Shi Yunhua data center.The controller equiment of SDN controller Shi Yunhua data center, the Qos information that can store network topological information, available bandwidth resources information and each forward-path of Yun Hua data center.

603, SDN controller is determined forward-path.

604, SDN controller sends forwarding flow table to the face of forwarding equipment, carries forward-path information.

605, forward face equipment and set up forward-path.

606, forward face equipment and be successfully established indication information to SDN controller transmit path.

607, SDN controller sends the feedback information of communication path request to MANO.

The step 403-407 of step 603-607 and Fig. 4, the embodiment of the present invention does not repeat them here.

In the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to MANO, address information, this end node and the peer node of peer node, for the new communication path of newly-increased allocation of communications between VM and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Should be understood that in the embodiment of the present invention, cloud platform management device can also be other device, for example, and VNFM, VM control and management device or systematic unity conditioning unit etc.When cloud platform management device changes, communication node may be different.For example, when cloud platform management device is VNFM, VM can replace with VNF.Certainly, also may have other similar embodiment, the embodiment of the present invention does not repeat them here.

Fig. 7 is interaction diagrams again of cloud data center network distribution method for beared resource.

701, MANO monitors VM changes in flow rate and exceeds threshold value.

MANO manages bandwidth demand and the qos requirement of each VM correspondence with foreign country.

In data center's cloud environment, there is ANOMALOUS VARIATIONS in the business model of the VM moving for a certain reason, and its required bandwidth sends larger variation, changes and surpassed threshold value, and the forward-path of original planning may can not meet the demand of business.Particularly, this threshold value can be an absolute bandwidth, for example 0.5M, an or relative bandwidth, and for example 5%, etc.

When the external communication flows of VM changes while surpassing threshold value, VM to MANO, and also reports MANO present flow maximum this reporting events.

702, MANO sends communication path request to SDN controller.

When MANO receives communication flows, change over after the event notice and present flow rate maximum of threshold value, can send communication path request to SDN controller.Wherein, the bandwidth demand information of communicating by letter between the address information of portability local terminal address of node information, peer node in this communication path request, this end node and peer node, and the QoS demand information of communicating by letter between this end node and peer node etc.

MANO, this end node and peer node are all arranged in Yun Hua data center, the node on the SDN network of Shi Yunhua data center.The controller equiment of SDN controller Shi Yunhua data center, the Qos information that can store network topological information, available bandwidth resources information and each forward-path of Yun Hua data center.

703, SDN controller is determined forward-path.

The communication path request that SDN controller sends according to MANO, can be this end node and recalculates forward-path with peer node.

704, SDN controller sends forwarding flow table to the face of forwarding equipment, carries forward-path information.

705, forward face equipment and set up forward-path.

706, forward face equipment and be successfully established indication information to SDN controller transmit path.

707, SDN controller sends the feedback of communication path request to MANO.

The step 404-407 of step 704-707 and Fig. 4, the embodiment of the present invention does not repeat them here.

In the embodiment of the present invention, bandwidth demand information and QoS demand information between local terminal address of node information by sending according to MANO, address information, this end node and the peer node of peer node, can be between this end node and peer node business datum flow while there is larger variation, again for distributing new communication path for communication link between this end node and peer node, thereby can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Should be understood that in the embodiment of the present invention, cloud platform management device can also be other device, for example, and VNFM, VM control and management device or systematic unity conditioning unit etc.When cloud platform management device changes, communication node may be different.For example, when cloud platform management device is VNFM, VM can replace with VNF.Certainly, also may have other similar embodiment, the embodiment of the present invention does not repeat them here.

Fig. 8 is the distribution method for beared resource flow chart of embodiment of the present invention cloud data center network.The method of Fig. 8 is carried out by cloud platform management device.

801, cloud platform management device obtains bandwidth demand information and the QoS demand information between address information, this end node and the peer node of this end node and peer node.

Wherein, this this end node is VM or VNF.

Should understand, in the embodiment of the present invention, address information not only can comprise direct address information, as (Media Access Control is controlled in media interviews, MAC) address, Internet protocol (Internet Protocol, IP) address etc., also can comprise indirect address information, as identification information etc.Particularly, local terminal address of node information, it can be the identification information of this end node, such as the ID of this end node, MAC Address, IP address etc., or the access address information of this end node, for example the server identification information at this end node place, comprises the server ID at this end node place, the MAC Address of the access LSW of the access LSW ID of this end node, this end node etc.The address information of peer node, can be ID, MAC Address, IP address of peer node etc., or the access address information of peer node, for example the server identification information at peer node place, comprises the server ID at peer node place, the MAC Address of the access LSW of the access LSW ID of peer node, peer node etc.

It is one of following that the bandwidth demand information between this this end node and peer node of should be understood that at least comprises: the minimum between this this end node and peer node guarantees the maximum available bandwidth between bandwidth, this end node and peer node.

Should be understood that QoS demand information between this this end node and peer node at least comprises one of following: the maximum between the maximum allowable delay between this this end node and peer node, this this end node and peer node allows the maximum between shake, this this end node and peer node to allow packet loss.

802, this cloud platform management device sends communication path request to SDN controller.

Wherein, local terminal address of node information is carried in this communication path request, the address information of peer node, bandwidth demand information between this this end node and this peer node and QoS demand information, this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place, , this communication path request is used for asking this SDN controller according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.

In the embodiment of the present invention, by bandwidth demand information and QoS demand information between address information, this end node and peer node to SDN controller transmission local terminal address of node information, peer node, request SDN controller distributes the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Alternatively, as an embodiment, this communication path request distributes new communication path for asking for this this end node and this peer node.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this communication path request is that after moving, this this end node is redistributed communication path with this peer node for request, and cancels the communication path between front this this end node of migration and this peer node.

Alternatively, as another embodiment, this communication path request is also carried bandwidth anomalous event indication information and is stated communication path request and for this this end node and this peer node after migration, redistribute the communication path that meets bandwidth demand and Qos demand for asking.

In addition, the method that the concrete application of the method for the embodiment of the present invention can be carried out with reference to the embodiment cloud platform management device shown in figure 4 to Fig. 7, the embodiment of the present invention does not repeat them here.

Fig. 9 is the structural representation of embodiment of the present invention SDN controller 900.SDN controller 900 can comprise:

Receiving element 901, the communication path request sending for receiving cloud platform management device.

Wherein, bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request, this this end node is VM or VNF, and this cloud platform management device, this this end node and this peer node are arranged in this cloud data center network.

Path allocation unit 902, for according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.

Transmitting element 903, sends the forwarding flow table of this communication path for the forwarding face equipment to this cloud data center network, to set up the forwarding face communication path between this this end node and this peer node by forwarding face equipment.

In the embodiment of the present invention, SDN controller 900 passes through according to bandwidth demand information and QoS demand information between address information, this end node and the peer node of the local terminal address of node information of cloud platform management device transmission, peer node, distribute the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Particularly, this SDN controller also can wrap memory cell, is storing the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network.Path allocation unit 902 can be according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, in conjunction with the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close the communication path of bandwidth demand and Qos demand.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request.Now, path allocation unit 902 specifically for: according to address information, this bandwidth demand information and this QoS demand information of this VM migration event indication information, this local terminal address of node information, this peer node, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before this this end node migration and the address information of this peer node, cancel the communication path before this this end node moves with this peer node.In the embodiment of the present invention, the VM that is migration by SDN controller 900 redistributes communication path, make the business of VM carrying to realize migration in the situation of non-interrupting service communication, guaranteed the uninterrupted operation of business, improve to a certain extent the performance of cloud data center systems.

Alternatively, as another embodiment, bandwidth anomalous event indication information is also carried in this communication path request.Now, path allocation unit 902 specifically for: according to address information, this bandwidth demand information and this QoS demand information of this bandwidth anomalous event indication information, this local terminal address of node information, this peer node, again from the Internet resources of this SDN controller management for this this end node and this peer node allocator close the communication path of bandwidth demand and Qos demand.In the embodiment of the present invention, by SDN controller 900, for abnormal VM occurs bandwidth, redistribute communication path, can be when the QoS of VM business demand changes, dynamically adjust the forward-path of forwarding face, thereby can guarantee the Qos of VM communication, and then the business of VM carrying can be protected, improve to a certain extent the performance of cloud data center systems.

SDN controller 900 also can execution graph 3 method, and realize SDN controller at Fig. 3 to concrete function embodiment illustrated in fig. 7, the embodiment of the present invention does not repeat them here.

Figure 10 is the structural representation of embodiment of the present invention cloud platform management device 1000.Cloud platform management device 1000 can comprise:

Acquiring unit 1001, for obtaining bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node.

Wherein, this this end node is VM or VNF.

Generation unit 1002, for generating communication path request.

Wherein, bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request.

Transmitting element 1003, for sending this communication path request to SDN controller.

Wherein, cloud platform management device 1000, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place, this communication path request, for asking this SDN controller according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, is that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator from the Internet resources of this SDN controller management.

In the embodiment of the present invention, cloud platform management device 1000 is by bandwidth demand information and QoS demand information between address information, this end node and peer node to SDN controller transmission local terminal address of node information, peer node, request SDN controller distributes the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Alternatively, as an embodiment, this communication path request distributes new communication path for asking for this this end node and this peer node.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this communication path request is that after moving, this this end node is redistributed communication path with this peer node for request, and cancels the communication path between front this this end node of migration and this peer node.

Alternatively, as another embodiment, this communication path request is also carried bandwidth anomalous event indication information and is stated communication path request and for this this end node and this peer node after migration, redistribute the communication path that meets bandwidth demand and Qos demand for asking.

In addition, the method that cloud platform management device 1000 also can execution graph 8, and realize cloud platform management device at Fig. 4 to concrete function embodiment illustrated in fig. 8, the embodiment of the present invention does not repeat them here.

Figure 11 is the structural representation of embodiment of the present invention SDN controller 1100.SDN controller 1100 can comprise processor 1102, memory 1104 and IO passage 1101.

IO passage 1101, processor 1102 and memory 1104 interconnect by bus 1105 systems.Bus 1105 can be isa bus, pci bus or eisa bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Figure 11, only with a four-headed arrow, represent, but do not represent only to have the bus of a bus or a type.

Memory 1104, for depositing program.Particularly, program can comprise program code, and described program code comprises computer-managed instruction.Memory 1104 can comprise read-only memory and random access memory, and provides instruction and data to processor 1102.Memory 1104 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.

Processor 1102, the stored program of execute store 1104, and specifically for carrying out following operation:

By IO passage 1101, receive the communication path request that cloud platform management device sends, wherein, bandwidth demand information and the quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node carried in this communication path request, this this end node is VM or VNF, and this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place;

According to the address information of this local terminal address of node information, this peer node, this bandwidth demand information, this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator;

By IO passage 1101, to the forwarding face equipment of this cloud data center network, send the forwarding flow table of this communication path, to set up the forwarding face communication path between this this end node and this peer node by forwarding face equipment.

The above-mentioned method of carrying out as the SDN controller that in Fig. 3 to Fig. 7 of the present invention, arbitrary embodiment discloses can be applied in processor 1102, or is realized by processor 1102.Processor 1102 may be a kind of integrated circuit (IC) chip, has the disposal ability of signal.In implementation procedure, each step of said method can complete by the integrated logic circuit of the hardware in processor 1102 or the instruction of form of software.Above-mentioned processor 1102 can be general processor, comprises central processing unit (Central Processing Unit is called for short CPU), network processing unit (Network Processor is called for short NP) etc.; Can also be digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.Can realize or carry out disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be that microprocessor or this processor can be also the processors of any routine etc.Step in conjunction with the disclosed method of the embodiment of the present invention can directly be presented as that hardware decoding processor is complete, or complete with the hardware in decoding processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 1104, and the information in processor 1102 read memories 1104 completes the step of said method in conjunction with its hardware.

In the embodiment of the present invention, SDN controller 1100 passes through according to bandwidth demand information and QoS demand information between address information, this end node and the peer node of the local terminal address of node information of cloud platform management device transmission, peer node, distribute the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Particularly, memory 1104 can stored the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network.Processor 1102 can be according to the address information of this local terminal address of node information, this peer node, this bandwidth demand information and this QoS demand information, in conjunction with the Qos information of network topological information, available bandwidth resources information and each forward-path of this cloud data center network, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close the communication path of bandwidth demand and Qos demand.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request.For according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close in the process of communication path of bandwidth demand and Qos demand, processor 1102 specifically can be used for: according to this VM migration event indication information, this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before this this end node migration and the address information of this peer node, cancel the communication path before this this end node moves with this peer node.In the embodiment of the present invention, the VM that is migration by SDN controller 1100 redistributes communication path, make the business of VM carrying to realize migration in the situation of non-interrupting service communication, guaranteed the uninterrupted operation of business, improve to a certain extent the performance of cloud data center systems.

Alternatively, as another embodiment, bandwidth anomalous event indication information is also carried in this communication path request.For according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management for this this end node and this peer node allocator close in the process of communication path of bandwidth demand and Qos demand, processor 1102 specifically can be used for: according to this bandwidth anomalous event indication information, this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, again from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.In the embodiment of the present invention, by SDN controller 1100, for abnormal VM occurs bandwidth, redistribute communication path, can be when the QoS of VM business demand changes, dynamically adjust the forward-path of forwarding face, thereby can guarantee the Qos of VM communication, and then the business of VM carrying can be protected, improve to a certain extent the performance of cloud data center systems.

SDN controller 1100 also can execution graph 3 method, and realize SDN controller at Fig. 3 to concrete function embodiment illustrated in fig. 7, the embodiment of the present invention does not repeat them here.

Figure 12 is the structural representation of embodiment of the present invention SDN controller 1200.SDN controller 1200 can comprise processor 1202, memory 1204 and IO passage 1201.

IO passage 1201, processor 1202 and memory 1204 interconnect by bus 1205 systems.Bus 1205 can be isa bus, pci bus or eisa bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Figure 12, only with a four-headed arrow, represent, but do not represent only to have the bus of a bus or a type.

Memory 1204, for depositing program.Particularly, program can comprise program code, and described program code comprises computer-managed instruction.Memory 1204 can comprise read-only memory and random access memory, and provides instruction and data to processor 1202.Memory 1204 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.

Processor 1202, the stored program of execute store 1204, and specifically for carrying out following operation:

Obtain bandwidth demand information and quality of service QoS demand information between address information, this this end node and this peer node of local terminal address of node information, peer node, wherein, this this end node is VM or VNF;

To SDN controller, send communication path request, wherein, local terminal address of node information is carried in this communication path request, the address information of peer node, bandwidth demand information between this this end node and this peer node and quality of service QoS demand information, this cloud platform management device, this this end node and this peer node are arranged in the cloud data center network at this SDN controller place, this communication path request is used for asking this SDN controller according to this local terminal address of node information, the address information of this peer node, this bandwidth demand information and this QoS demand information, from the Internet resources of this SDN controller management, be that this this end node closes the communication path of bandwidth demand and Qos demand with this peer node allocator.

The above-mentioned method of carrying out as the cloud platform management device that in Fig. 4 to Fig. 8 of the present invention, arbitrary embodiment discloses can be applied in processor 1202, or is realized by processor 1202.Processor 1202 may be a kind of integrated circuit (IC) chip, has the disposal ability of signal.In implementation procedure, each step of said method can complete by the integrated logic circuit of the hardware in processor 1202 or the instruction of form of software.Above-mentioned processor 1202 can be general processor, comprises central processing unit (Central Processing Unit is called for short CPU), network processing unit (Network Processor is called for short NP) etc.; Can also be digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), ready-made programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic device, discrete hardware components.Can realize or carry out disclosed each method, step and logic diagram in the embodiment of the present invention.General processor can be that microprocessor or this processor can be also the processors of any routine etc.Step in conjunction with the disclosed method of the embodiment of the present invention can directly be presented as that hardware decoding processor is complete, or complete with the hardware in decoding processor and software module combination.Software module can be positioned at random asccess memory, and flash memory, read-only memory, in the storage medium of this area maturations such as programmable read only memory or electrically erasable programmable memory, register.This storage medium is positioned at memory 1204, and the information in processor 1202 read memories 1204 completes the step of said method in conjunction with its hardware.

In the embodiment of the present invention, cloud platform management device 1200 is by bandwidth demand information and QoS demand information between address information, this end node and peer node to SDN controller transmission local terminal address of node information, peer node, request SDN controller distributes the communication path between this end node and peer node, can guarantee the business demand that in cloud data center network, VM communicates by letter with peer node, and improve to a certain extent the utilization ratio of bearing resource.

Alternatively, as an embodiment, this communication path request distributes new communication path for asking for this this end node and this peer node.

Alternatively, as another embodiment, the address information before VM migration event indication information and the migration of this this end node is also carried in this communication path request, this communication path request is that after moving, this this end node is redistributed communication path with this peer node for request, and cancels the communication path between front this this end node of migration and this peer node.

Alternatively, as another embodiment, this communication path request is also carried bandwidth anomalous event indication information and is stated communication path request and for this this end node and this peer node after migration, redistribute the communication path that meets bandwidth demand and Qos demand for asking.

In addition, the method that cloud platform management device 1200 also can execution graph 8, and realize cloud platform management device at Fig. 4 to concrete function embodiment illustrated in fig. 8, the embodiment of the present invention does not repeat them here.

Figure 13 is the structural representation of embodiment of the present invention data center systems 1300.Data center systems 1300 can comprise SDN controller 1301 and cloud platform management device 1302.Wherein, SDN controller 1301 can be SDN controller 900 embodiment illustrated in fig. 9 or SDN controller 1100 embodiment illustrated in fig. 11, cloud platform management device 1302 can be cloud platform management device 1000 embodiment illustrated in fig. 10, or cloud platform management device 1200 embodiment illustrated in fig. 12.

It should be understood, of course, that in data center systems 1300, also can comprise data center server, be deployed in the virtual machine on data center server, and SDN network, etc.

Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.

Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.

In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.

The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.

If described function usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.

The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.

Claims (17)

1. a distribution method for beared resource for cloud data center network, is characterized in that, comprising:
Software defined network SDN controller receives the communication path request that cloud platform management device sends, wherein, bandwidth demand information and the quality of service QoS demand information between the address information of local terminal address of node information, peer node, described end node and described peer node carried in described communication path request, described end node is virtual machine VM or virtual network function entity VNF, and described cloud platform management device, described end node and described peer node are arranged in the cloud data center network at described SDN controller place;
Described SDN controller is according to the address information of described local terminal address of node information, described peer node, described bandwidth demand information, described QoS demand information, from the Internet resources of described SDN controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand;
Described SDN controller sends the forwarding flow table of described communication path to the forwarding face equipment of described cloud data center network, to set up the forwarding face communication path between described end node and described peer node by forwarding face equipment.
2. the method for claim 1, it is characterized in that, the address information before VM migration event indication information and described end node migration is also carried in described communication path request, described SDN controller is according to the address information of described local terminal address of node information, described peer node, described bandwidth demand information and described QoS demand information, and the communication path that closes bandwidth demand and Qos demand for described end node and described peer node allocator from the Internet resources of described SDN controller management comprises:
Described SDN controller is according to described VM migration event indication information, described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, from the Internet resources of described SDN controller management for described end node and described peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before described end node migration and the address information of described peer node, cancel the communication path before described end node and the migration of described peer node.
3. the method for claim 1, it is characterized in that, bandwidth anomalous event indication information is also carried in described communication path request, described SDN controller is according to the address information of described local terminal address of node information, described peer node, described bandwidth demand information and described QoS demand information, and the communication path that closes bandwidth demand and Qos demand for described end node and described peer node allocator from the Internet resources of described SDN controller management comprises:
Described SDN controller is according to described bandwidth anomalous event indication information, described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, again from the Internet resources of described SDN controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand.
4. the method as described in claims 1 to 3 any one, it is characterized in that, it is one of following that the address information of communication node at least comprises: the IP address of MAC Address, the Internet protocol IP address of described communication node, the ID of described communication node place server, the ID of described communication node place LAN switch LSW, the MAC Address of described communication node place LSW, described communication node place LSW is controlled in the media interviews of the identify label ID of described communication node, described communication node; Wherein, described communication node is described end node or described peer node.
5. the method as described in claim 1 to 4 any one, it is characterized in that, it is one of following that the bandwidth demand information between described end node and peer node at least comprises: the minimum between described end node and peer node guarantees the maximum available bandwidth between bandwidth, described end node and peer node.
6. the method as described in claim 1 to 5 any one, it is characterized in that, it is one of following that the QoS demand information between described end node and peer node at least comprises: the maximum between the maximum allowable delay between described end node and peer node, described end node and peer node allows the maximum between shake, described end node and peer node to allow packet loss.
7. a distribution method for beared resource for cloud data center network, is characterized in that, comprising:
Cloud platform management device obtains bandwidth demand information and the quality of service QoS demand information between the address information of local terminal address of node information, peer node, described end node and described peer node, wherein, described end node is virtual machine VM or virtual network function entity VNF;
Described cloud platform management device sends communication path request to software defined network SDN controller, wherein, described local terminal address of node information is carried in described communication path request, the address information of described peer node, bandwidth demand information between described end node and described peer node and quality of service QoS demand information, described cloud platform management device, described end node and described peer node are arranged in the cloud data center network at described SDN controller place, described communication path request is used for asking described SDN controller according to described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, from the Internet resources of described SDN controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand.
8. method as claimed in claim 7, it is characterized in that, the address information before VM migration event indication information and described end node migration is also carried in described communication path request, described communication path request is that rear described the end node of migration and described peer node are redistributed communication path for request, and cancels the communication path between front described the end node of migration and described peer node.
9. method as claimed in claim 7, it is characterized in that, bandwidth anomalous event indication information is also carried in described communication path request, and described communication path request is for asking to redistribute for moving rear described end node and described peer node the communication path that meets bandwidth demand and Qos demand.
10. a software defined network controller, is characterized in that, comprising:
Receiving element, the communication path request sending for receiving cloud platform management device, wherein, bandwidth demand information and the quality of service QoS demand information between the address information of local terminal address of node information, peer node, described end node and described peer node carried in described communication path request, described end node is virtual machine VM or virtual network function entity VNF, and described cloud platform management device, described end node and described peer node are arranged in described cloud data center network;
Path allocation unit, for according to the address information of described local terminal address of node information, described peer node, described bandwidth demand information and described QoS demand information, from the Internet resources of described software defined network controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand;
Transmitting element, sends the forwarding flow table of described communication path for the forwarding face equipment to described cloud data center network, to set up the forwarding face communication path between described end node and described peer node by forwarding face equipment.
11. software defined network controllers as claimed in claim 10, it is characterized in that, the address information before VM migration event indication information and described end node migration is also carried in described communication path request, described path allocation unit specifically for: according to described VM migration event indication information, described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, from the Internet resources of described software defined network controller management for described end node and described peer node allocator close communication path after the migration of bandwidth demand and Qos demand, and according to the address information before described end node migration and the address information of described peer node, cancel the communication path before described end node and the migration of described peer node.
12. software defined network controllers as claimed in claim 10, it is characterized in that, bandwidth anomalous event indication information is also carried in described communication path request, described path allocation unit specifically for: according to described bandwidth anomalous event indication information, described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, again from the Internet resources of described software defined network controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand.
13. 1 kinds of cloud platform management devices, is characterized in that, comprising:
Acquiring unit, for obtaining bandwidth demand information and the quality of service QoS demand information between the address information of local terminal address of node information, peer node, described end node and described peer node, wherein, described end node is virtual machine VM or virtual network function entity VNF;
Generation unit, be used for generating communication path request, wherein, bandwidth demand information and the quality of service QoS demand information between the address information of described local terminal address of node information, described peer node, described end node and described peer node carried in described communication path request;
Transmitting element, for sending described communication path request to software defined network SDN controller, wherein, described cloud platform management device, described end node and described peer node are arranged in the cloud data center network at described SDN controller place, described communication path request is used for asking described SDN controller according to described local terminal address of node information, the address information of described peer node, described bandwidth demand information and described QoS demand information, from the Internet resources of described SDN controller management for described end node and described peer node allocator close the communication path of bandwidth demand and Qos demand.
14. cloud platform management devices as claimed in claim 13, it is characterized in that, the address information before VM migration event indication information and described end node migration is also carried in described communication path request, described communication path request is that rear described the end node of migration and described peer node are redistributed communication path for request, and cancels the communication path between front described the end node of migration and described peer node.
15. cloud platform management devices as claimed in claim 13, it is characterized in that, bandwidth anomalous event indication information is also carried in described communication path request, and described communication path request is for asking to redistribute for moving rear described end node and described peer node the communication path that meets bandwidth demand and Qos demand.
16. cloud platform management devices as described in claim 13 to 15 any one, it is characterized in that, described cloud platform management device is virtual machine VM control and management device, virtual network function management VNFM device, systematic unity conditioning unit or management coordination MANO device.
17. 1 kinds of data center systems, is characterized in that, comprise software defined network controller as described in claim 10 to 12 any one and the cloud platform management device as described in claim 13 to 16 any one.
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