CN105282004A - Network virtualization processing method, device and system - Google Patents
Network virtualization processing method, device and system Download PDFInfo
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- CN105282004A CN105282004A CN201410359508.0A CN201410359508A CN105282004A CN 105282004 A CN105282004 A CN 105282004A CN 201410359508 A CN201410359508 A CN 201410359508A CN 105282004 A CN105282004 A CN 105282004A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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Abstract
The invention provides a network virtualization processing method, device and system. The method includes the steps of: accessing software defined network (SDN) switches of an access layer network to an SDN controller; based on network topology information formed by the SDN switches accessed to the SDN controller, establishing one or more virtual routers; deploying on the one or more virtual routers global configuration unconcerned with specific services; and deploying service configuration corresponding the specific services on the virtual routers used for participating in the specific services. Through the network virtualization processing method provided by the invention, the problems in related technologies that network virtualization and service deployment after virtualization are extremely complicated, usability is relatively poor and operation and maintenance cost is high are solved, and the effects are achieved that control and forwarding are separated, dispatching of resources is relatively flexible and balanced, complexity of parameter deployment is reduced to some extent, and operation and maintenance cost is effectively reduced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of network virtualization processing method, Apparatus and system.
Background technology
Along with the development of network technology, Internet protocol wireless access network (InternetProtocolRadioAccessNetwork, referred to as IPRAN) or the grouping such as/Packet Transport Network (PacketTransferNetwork, referred to as PTN) tranmission techniques obtain a large amount of application and popularization at carrier network.Fig. 1 is the typical network architecture schematic diagram of IPRAN/PTN in correlation technique, as shown in Figure 1, this framework comprises two B equipment (convergence device), several A equipment (access device) form access layer network, and the core convergence-level network that B equipment is connected with C equipment (nucleus equipment).Access layer network has the management of tunnel (Tunnel)/pseudo-line (PseudoWire)/business (Service) three levels, and the operation comprising three levels relevant performs management (OperationAdministrationManagement, referred to as OAM), service quality (QualityOfService, referred to as QoS) configuration, this is the most complicated part of network.Therefore, the Network of this part is disposed quite loaded down with trivial details, it is also proposed very high requirement, also considerably increase the maintenance cost of network to the professional ability of attendant.
In network management system design with in disposing, the ease for use of raising IPRAN/PTN service management of always try one's best, the simplicity of maintenance, but determine the complexity of service deployment due to network and business model, make final effect not be very desirable.Equally, it is also proposed the IPRAN/PTN service deployment method based on masterplate in the related, basic thought is the templated of configuration parameter, and configuration flow unitizes.But this dispositions method exists a lot of limitation (such as, business scenario must be consistent, Internet resources must advance planning etc.), this method almost has no ability to the discovery of business, adjustment simultaneously.
Nowadays, the basic thought of current network technology evolution is become by the virtual simplicity improving the validity of service deployment of network.Virtual is that network (or subnet) is virtualized into a virtual router (equipment), the parametric description that customer service is disposed only needs up, the descending some interfaces for virtual router, such validity that can improve service deployment, reduces the cost of network operation.For IPRAN/PTN network virtualization, way can be increase clustering functionality in B equipment, A equipment, realizes the service deployment after the virtual of access layer network and virtualization by the function of expansion equipment.This method does not change original control and forwarding logic, although service deployment takes on a new look to some extent, does not thoroughly change the convenience of service deployment, simultaneously device processes logic become more complicated, so there is no deal with problems completely.
Therefore, in the related, network virtual and virtual after service deployment very complicated, ease for use is poor, and O&M cost is high.
Summary of the invention
The invention provides a kind of network virtualization processing method, Apparatus and system, at least to solve in correlation technique, network virtual and virtual after service deployment very complicated, ease for use is poor, the problem that O&M cost is high.
According to an aspect of the present invention, provide a kind of network virtualization processing method, comprising: the software defined network SDN switch of access layer network is linked into SDN controller; Based on the network topological information that the SDN switch being linked into described SDN controller is formed, create one or more virtual router; In the global configuration that described one or more virtual router deploy and concrete business have nothing to do; In the business configuration that the virtual router deploy for participating in concrete business is corresponding with described concrete business.
Preferably, the described SDN switch of described access layer network is linked into described SDN controller to comprise: by predetermined protocol, the described SDN switch of described access layer network is linked into described SDN controller; Determine the network topological information that the SDN switch being linked into described SDN controller is formed.
Preferably, based on the network topological information that the SDN switch being linked into described SDN controller is formed, create one or more virtual router comprise following one of at least: according to from tension management system acceptance to the solicited message for asking to create virtual router, create one or more virtual router, wherein, described request information comprise by described tension management Systematic selection for creating two convergence device B of described one or more virtual router and being connected to form the parameter information of the access device A of one or more access ring with described two convergence device B, according to the analysis result to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises two convergence device B for creating described one or more virtual router and is connected to form the parameter information of the access device A of one or more access ring with described two convergence device B.
Preferably, at the described network topological information formed based on the described SDN switch being linked into described SDN controller, after creating one or more virtual router, also comprise: the Topology connection information of described one or more virtual router and physical equipment information are stored.
Preferably, the global configuration irrelevant in described one or more virtual router deploy and concrete business comprises: for each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures; For each virtual router, two convergence device B create up logic interfacing.
Preferably, the described business configuration corresponding with described concrete business in the virtual router deploy for participating in concrete business comprises: to obtain on described virtual router physical interface and virtual LAN VLAN information creating that included access device A inputs for participating in the sub-interface of concrete business on access device A, and on two convergence device B, participate in the logical subinterface of concrete business; According to the tunnel information corresponding to described virtual router, be created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information; By concrete business and the sub-interface created on described access device A, and the logical subinterface created on described convergence device B, and active and standby pseudo-line is bound.
According to a further aspect in the invention, provide a kind of network virtualization processing unit, comprising: access module, for the software defined network SDN switch of access layer network is linked into SDN controller; Creation module, for the network topological information formed based on the SDN switch being linked into described SDN controller, creates one or more virtual router; First deployment module, for the global configuration had nothing to do in described one or more virtual router deploy and concrete business; Second deployment module, in the business configuration corresponding with described concrete business of the virtual router deploy for participating in concrete business.
Preferably, described access module comprises: access unit, for the described SDN switch of described access layer network being linked into described SDN controller by predetermined protocol; Determining unit, for determining the network topological information that the SDN switch being linked into described SDN controller is formed.
Preferably, described creation module comprise following one of at least: the first creating unit, for according to from tension management system acceptance to create the solicited message of virtual router for asking, create one or more virtual router, wherein, described request information comprise by described tension management Systematic selection for creating two convergence device B of described one or more virtual router and being connected to form the parameter information of the access device A of one or more access ring with described two convergence device B; Second creating unit, for the analysis result of foundation to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises two convergence device B for creating described one or more virtual router and is connected to form the parameter information of the access device A of one or more access ring with described two convergence device B.
Preferably, this device also comprises: memory module, for the Topology connection information of described one or more virtual router and physical equipment information being stored.
Preferably, described first deployment module comprises: the 3rd creating unit, for for each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures; 4th creating unit, for for each virtual router, two convergence device B creates up logic interfacing.
Preferably, described second deployment module comprises: acquiring unit, for obtaining on described virtual router physical interface and virtual LAN VLAN information creating that included access device A inputs for participating in the sub-interface of concrete business on access device A, and on two convergence device B, participate in the logical subinterface of concrete business; 5th creating unit, for the tunnel information corresponding to described virtual router, is created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information; Binding unit, for by concrete business and the sub-interface that creates on described access device A, and the logical subinterface created on described convergence device B, and active and standby pseudo-line is bound.
Provide a kind of network virtualization treatment system, comprising according to of the present invention: the software defined network SDN switch being linked into the access layer network of SDN controller also on the one hand, for performing the forwarding of data surface according to the logic of SDN controller; SDN controller, based on the network topological information that the SDN switch being linked into described SDN controller is formed, creates one or more virtual router; In the global configuration that described one or more virtual router deploy and concrete business have nothing to do; And, in the business configuration that the virtual router deploy for participating in concrete business is corresponding with described concrete business.
Preferably, this system also comprises: tension management system, for by the interface with described SDN controller, asks described SDN controller to create described one or more virtual router; And/or network management system, for the network topological information providing the SDN switch being linked into described SDN controller to form to described SDN controller.
By the present invention, adopt and the software defined network SDN switch of access layer network is linked into SDN controller; Based on the network topological information that the SDN switch being linked into described SDN controller is formed, create one or more virtual router; In the global configuration that described one or more virtual router deploy and concrete business have nothing to do; In the business configuration that the virtual router deploy for participating in concrete business is corresponding with described concrete business, solve network in correlation technique virtual and virtual after service deployment very complicated, ease for use is poor, O&M cost is high, and then achieve control and forward be separated, make the scheduling of resource more flexible, balanced, decrease the complexity that parameter is disposed to a certain extent, significantly reduce the effect of O&M cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the typical network architecture schematic diagram of IPRAN/PTN in correlation technique;
Fig. 2 is the flow chart of the network virtualization processing method according to the embodiment of the present invention;
Fig. 3 is the structured flowchart of the network virtualization processing unit according to the embodiment of the present invention;
Fig. 4 is the structured flowchart of access module 32 in the network virtualization processing unit according to the embodiment of the present invention;
Fig. 5 is the structured flowchart of creation module 34 in the network virtualization processing unit according to the embodiment of the present invention;
Fig. 6 is the preferred structure block diagram of the network virtualization processing unit according to the embodiment of the present invention;
Fig. 7 is the preferred structure block diagram of the first deployment module 36 in the network virtualization processing unit according to the embodiment of the present invention;
Fig. 8 is the preferred structure block diagram of the second deployment module 38 in the network virtualization processing unit according to the embodiment of the present invention;
Fig. 9 is the structural representation of the network virtualization treatment system according to the embodiment of the present invention;
Figure 10 is the preferred structure schematic diagram of the network virtualization treatment system according to the embodiment of the present invention;
Figure 11 is the network architecture schematic diagram of the IPRAN/PTN network insertion layer switch access controller according to the embodiment of the present invention;
Figure 12 is the IPRAN/PTN network access layer network virtualization schematic diagram according to the embodiment of the present invention;
Figure 13 creates schematic diagram according to the IPRAN/PTN network access layer Network of the embodiment of the present invention;
Figure 14 is IPRAN/PTN network virtualization according to the embodiment of the present invention and service deployment system schematic.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Provide a kind of network virtualization processing method in the present embodiment, Fig. 2 is the flow chart of the network virtualization processing method according to the embodiment of the present invention, and as shown in Figure 2, this flow process comprises the steps:
Step S202, is linked into SDN controller by the software defined network SDN switch of access layer network;
Step S204, based on the network topological information that the SDN switch being linked into SDN controller is formed, creates one or more virtual router;
Step S206, in the global configuration that one or more virtual router deploy and concrete business have nothing to do;
Step S208, in the business configuration that the virtual router deploy for participating in concrete business is corresponding with concrete business.
Pass through above-mentioned steps, network virtualization and service deployment is realized based on SDN, by setting up one or more virtual router at access layer network, in the global configuration that virtual router deploy and concrete business have nothing to do, and in the virtual router deploy relevant with the business business configuration corresponding with concrete business, not only solve network in correlation technique virtual and virtual after service deployment very complicated, ease for use is poor, O&M cost is high, make the scheduling of resource more flexible, balanced, decrease the complexity that parameter is disposed to a certain extent, significantly reduce the effect of O&M cost.
When the SDN switch of access layer network is linked into SDN controller, by predetermined protocol, the SDN switch of access layer network can be linked into SDN controller, wherein, this predetermined protocol can comprise multiple, such as, can be OpenFlow agreement, also can be other agreements; Determine the network topological information that the SDN switch being linked into SDN controller is formed.
At the network topological information formed based on the SDN switch being linked into SDN controller, when creating one or more virtual router, various ways can be adopted, such as, can in the following ways one of at least: such as, can according to from tension management system acceptance to create the solicited message of virtual router for asking, create one or more virtual router, wherein, solicited message comprise by tension management Systematic selection for creating two convergence device B of one or more virtual router and being connected to form the parameter information of access device A of one or more access ring with two convergence device B, again such as, also can according to the analysis result to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises the parameter information of two convergence device B for creating one or more virtual router and the access device A that is connected to form one or more access ring with two convergence device B.Certainly also can adopt alternate manner, such as, can according to the topology information got from other network management system to obtain analysis result, and then create one or more virtual router according to this analysis result.
Preferably, at the network topological information formed based on the SDN switch being linked into SDN controller, after creating one or more virtual router, the Topology connection information of one or more virtual router and physical equipment information can also be stored.
When the global configuration that one or more virtual router deploy and concrete business have nothing to do, it should be noted that, for the configuration that this and concrete business have nothing to do, comprise the configuration on the convergence device B of the access device A and two on virtual router.Such as, for each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures; For each virtual router, two convergence device B create up logic interfacing.
Based on above-mentioned global configuration, the demand according to concrete business carries out corresponding configuration, wherein, comprises the configuration to the convergence device B of the access device A and two on each virtual router.Namely can process in the following ways in the business configuration that the virtual router deploy for participating in concrete business is corresponding with concrete business: obtain physical interface and VLAN (VirtualLocalAreaNetwork that access device A included on virtual router inputs, referred to as VLAN) information creating for participating in the sub-interface of concrete business, and participates in the logical subinterface of concrete business on access device A on two convergence device B; Tunnel information corresponding to virtual router, is created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information; By concrete business and the sub-interface created on access device A, and the logical subinterface created on convergence device B, and active and standby pseudo-line is bound.
Additionally provide a kind of network virtualization processing unit in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Fig. 3 is the structured flowchart of the network virtualization processing unit according to the embodiment of the present invention, and as shown in Figure 3, this device comprises access module 32, creation module 34, first deployment module 36 and the second deployment module 38, is described below to this device.
Access module 32, for being linked into SDN controller by the software defined network SDN switch of access layer network; Creation module 34, is connected to above-mentioned access module 32, for the network topological information formed based on the SDN switch being linked into SDN controller, creates one or more virtual router; First deployment module 36, is connected to above-mentioned creation module 34, for the global configuration had nothing to do in one or more virtual router deploy and concrete business; Second deployment module 38, is connected to above-mentioned first deployment module 36, in the business configuration corresponding with concrete business of the virtual router deploy for participating in concrete business.
Fig. 4 is the structured flowchart of access module 32 in the network virtualization processing unit according to the embodiment of the present invention, and as shown in Figure 4, this access module 32 comprises access unit 42 and determining unit 44, is described below to this access module 32.
Access unit 42, for being linked into SDN controller by predetermined protocol by the SDN switch of access layer network; Determining unit 44, is connected to above-mentioned access unit 42, for determining the network topological information that the SDN switch being linked into SDN controller is formed.
Fig. 5 is the structured flowchart of creation module 34 in the network virtualization processing unit according to the embodiment of the present invention, as shown in Figure 5 this creation module 34 comprise following one of at least: the first creating unit 52, second creating unit 54, is described this creation module 34 below.
First creating unit 52, for according to from tension management system acceptance to create the solicited message of virtual router for asking, create one or more virtual router, wherein, solicited message comprise by tension management Systematic selection for creating two convergence device B of one or more virtual router and being connected to form the parameter information of access device A of one or more access ring with two convergence device B; Second creating unit 54, for the analysis result of foundation to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises the parameter information of two convergence device B for creating one or more virtual router and the access device A that is connected to form one or more access ring with two convergence device B.
Fig. 6 is the preferred structure block diagram of the network virtualization processing unit according to the embodiment of the present invention, and as shown in Figure 6, this device, except comprising all structures shown in Fig. 3, also comprises memory module 62, is described below to this memory module 62.
Memory module 62, is connected to above-mentioned creation module 34 and the first deployment module 36, for the Topology connection information of one or more virtual router and physical equipment information being stored.
Fig. 7 is the preferred structure block diagram of the first deployment module 36 in the network virtualization processing unit according to the embodiment of the present invention, as shown in Figure 7, this first deployment module 36 comprises the 3rd creating unit 72 and the 4th creating unit 74, is described below to this first deployment module 36.
3rd creating unit 72, for for each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures; 4th creating unit 74, for for each virtual router, two convergence device B creates up logic interfacing.
Fig. 8 is the preferred structure block diagram of the second deployment module 38 in the network virtualization processing unit according to the embodiment of the present invention, as shown in Figure 8, this second deployment module 38 comprises: acquiring unit 82, the 5th creating unit 84 and binding unit 86, be described this second deployment module 38 below.
Acquiring unit 82, for obtaining on virtual router physical interface and virtual LAN VLAN information creating that included access device A inputs for participating in the sub-interface of concrete business on access device A, and on two convergence device B, participate in the logical subinterface of concrete business; 5th creating unit 84, is connected to above-mentioned acquiring unit 82, for the tunnel information corresponding to virtual router, is created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information; Binding unit 86, is connected to above-mentioned 5th creating unit 84, for by concrete business and the sub-interface that creates on access device A, and the logical subinterface created on convergence device B, and active and standby pseudo-line is bound.
Fig. 9 is the structural representation of the network virtualization treatment system according to the embodiment of the present invention, and as shown in Figure 9, this system comprises:
Be linked into the software defined network SDN switch 90 of the access layer network of SDN controller, for performing the forwarding of data surface according to the logic of SDN controller; SDN controller 92, based on the network topological information that the SDN switch being linked into SDN controller is formed, creates one or more virtual router; In the global configuration that one or more virtual router deploy and concrete business have nothing to do; And, in the business configuration that the virtual router deploy for participating in concrete business is corresponding with concrete business.
Figure 10 is the preferred structure schematic diagram of the network virtualization treatment system according to the embodiment of the present invention, as shown in Figure 10, this system comprises tension management system 102 and/or network management system 104 (with other network management system above-mentioned), is described below to this system.
Tension management system 102, for by the interface with SDN controller, asks SDN controller to create one or more virtual router; Network management system 104, for the network topological information providing the SDN switch being linked into SDN controller to form to SDN controller.
For the problems referred to above in correlation technique, in the present embodiment, provide a kind of based on the IPRAN/PTN network virtualization of switched data network (SoftDefinedNetwork, referred to as SDN) and the method for service deployment, the method comprises:
The first step: the SDN switch (or router) of the access layer network of IPRAN/PTN is linked into SDN controller (Controller).
Second step: IPRAN/PTN access layer network is virtualized into some virtual routers.
3rd step: the global configuration had nothing to do in each virtual router deploy and concrete business.
4th step: in the concrete business of virtual router deploy and relevant configuration.
Wherein, the above-mentioned first step can comprise the following process of employing: access layer network SDN switch is accessed SDN controller by Openflow agreement (or other agreements).Find the physical topology of network on the controller.
Second step in said method can comprise following process: tension management system is by the interface with controller, using two B equipment selecting and and the A equipment of descending several access rings of composition be connected of these two B as required parameter, require controller establishment virtual router.
Controller is according to the information creating virtual router of request, comprise two B equipment and the A equipment with descending several access rings of composition be connected of these two B, and virtual router information (comprising topological sum physical equipment information) is preserved in the controller.Create multiple virtual router with this repeatedly.
It should be noted that, said method second step also can obtain topology information from webmaster or other management systems, directly topology information is created virtual router as parameter, comprise following process: tension management system is from the topology information of traditional webmaster or other management systems, the topology information of access layer network is passed to controller as parameter, and request creates virtual router.Topology information analyzed by controller, create some virtual routers according to two B equipment and with the A equipment of descending several access rings of composition be connected of these two B, and virtual router information (comprising topological sum physical equipment information) is preserved in the controller.
Said method the 3rd step can comprise following process: for each virtual router, and controller is created to the tunnel of two B equipment and OAM, QoS configuration thereof respectively on each A equipment, by and equipment between protocol interface be issued to equipment.It should be noted that, this process also can complete in the 4th following step (judgement does not have corresponding configuration then to issue).
For each virtual router, controller creates up logic interfacing respectively on two B equipment, by and equipment between protocol interface be issued to equipment.Equally, this process also can complete (judgement does not have corresponding configuration then to issue) in the 4th following step.
In said method, the 4th step can comprise following process: (1) user selects a virtual router that will create business by the user interface that tension management system provides.(2) user interface that user is provided by tension management system selects a physical interface on an A equipment, input vlan information.(3) tension management system is passed through to send service creation request with the interface of controller according to the information that user selects.(4) controller creates sub-interface according to the physical interface of user's selection and VLAN on A equipment, is issued to equipment.Create the logical subinterface of B equipment simultaneously, and be issued to equipment.(5) controller is created to the active and standby pseudo-line of B and corresponding QoS, OAM information according to tunnel information, and is issued to equipment, and the number of times that the active and standby property of pseudo-line serves as main pseudo-line endpoints role by two B equipment carrys out load sharing.(6) controller creates Business Entity binding sub-interface and pseudo-line on A equipment and B equipment, and is issued to equipment.
Corresponding to above-mentioned network virtualization and virtual after service deployment scheme, in the present embodiment, additionally provide a kind of based on the IPRAN/PTN network virtualization of SDN and the system of service deployment, this system comprises:
, compared with traditional IPRAN/PTN network, only there is the logic of forwarding face (data surface) based on the switch in the network of SDN or router, mainly complete forwarding according to the logic of controller in IPRAN/PTN network.
SDN controller, the mainly forwarding behavior of control SDN and relevant configuration information, the configuration information that business is relevant is all issued on equipment by SDN controller.Controller can be geographically independently.
Tension management system, calls the interface that controller provides, and completes the generation of virtual router, service deployment action.
Other management systems, have IPRAN/PTN access layer network topology information, externally provide topology information.
Controller, by the protocol interface control SDN equipment with SDN equipment, mainly issues forwarding information and relevant configuration information according to service logic.Tension management system then calls by application layer protocol (such as, REST interface) interface that controller provides, and inspires various instruction.Tension management system is when establishment virtual router, and topology information can be provided by other management systems, and this system has the topological data of network, and therefore this subsystem is optional.
Above-mentioned based on the IPRAN/PTN network virtualization of SDN and the scheme of service deployment by what use SDN and Intel Virtualization Technology to propose, the control of SDN is separated with forwarding, thus with center control supervising the network, the requirement characteristic of P 2 P service establishing can be met.The scheduling of Internet resources becomes very simple, effective, balanced, and network-based control becomes very flexible.The parameter of the setting needed during deployment business is greatly reduced, service deployment changes simple and direct, convenient, additionally reduce the processing logic of equipment simultaneously, improve the efficiency of equipment, make network virtual and virtual after service deployment become very effective, convenient, thus substantially increase the cost of network O&M.
Below in conjunction with accompanying drawing, the preferred embodiment for the present invention is described.
Figure 11 is the network architecture schematic diagram of the IPRAN/PTN network insertion layer switch access controller according to the embodiment of the present invention, as shown in figure 11, SDN switch arranges controller information, access layer network SDN switch is accessed SDN controller by Openflow agreement (or other agreements).Found the physical topology (such as, the LLDP Topology Discovery mechanism defined in Openflow) of network by SDN Topology Discovery mechanism on the controller, such controller saves the topology information connected between equipment.
Figure 12 is the IPRAN/PTN network access layer network virtualization schematic diagram according to the embodiment of the present invention, Figure 13 creates schematic diagram according to the IPRAN/PTN network access layer Network of the embodiment of the present invention, Figure 14 is IPRAN/PTN network virtualization according to the embodiment of the present invention and service deployment system schematic, as shown in Figure 12,14, tension management system is by the interface with controller, using two B equipment selecting and and the A equipment of descending several access rings of composition be connected of these two B as required parameter, require controller establishment virtual router.Controller, according to the information creating virtual router of request, comprises the A equipment of two descending connected several access rings of composition of B, and virtual router information (comprising topological sum physical equipment information) is preserved in the controller.Here virtual router is a logical device, physical message (the port of two category-B equipment is contained in this logical device information, device id etc.), with the Back ground Information such as physical topology information of the A equipment physical message (port, device id etc.) in some access rings, network.
For each virtual router, controller is created to the active/standby tunnel of two B equipment and OAM, QoS configuration thereof respectively on each A equipment, by and equipment between protocol interface be issued to equipment.Same controller creates up logic interfacing respectively on two B equipment, as up logic interfacing when being mainly used in service creation.
The user interface that user is provided by tension management system, selects a virtual router that will create business, and selects a physical interface on an A equipment, and input vlan information, these packets of information contain a concrete business.
The information that upper strata relational system is selected according to user, by and controller between interface send service creation request, trigger business creates.
Controller creates sub-interface at the physical interface selected according to user and VLAN on the A equipment of correspondence, is issued to equipment.Create the logical subinterface of B equipment simultaneously, and be issued to equipment, this sub-interface is also used for by business-binding.
As shown in Figure 13,14, active and standby, the pseudo-line of B and QoS, OAM information of correspondence is created to according to tunnel information, and be issued to equipment, a tunnel bound respectively by active and standby pseudo-line, the number of times that the active and standby property of pseudo-line serves as main pseudo-line endpoints role by two B equipment carrys out load sharing, is namely calculated by the number of times of B end points as main pseudo-line.A equipment and B equipment create Business Entity, binding sub-interface and pseudo-line, and be issued to equipment.So far, teleservice has been disposed.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. a network virtualization processing method, is characterized in that, comprising:
The software defined network SDN switch of access layer network is linked into SDN controller;
Based on the network topological information that the SDN switch being linked into described SDN controller is formed, create one or more virtual router;
In the global configuration that described one or more virtual router deploy and concrete business have nothing to do;
In the business configuration that the virtual router deploy for participating in concrete business is corresponding with described concrete business.
2. method according to claim 1, is characterized in that, the described SDN switch of described access layer network is linked into described SDN controller and comprises:
By predetermined protocol, the described SDN switch of described access layer network is linked into described SDN controller;
Determine the network topological information that the SDN switch being linked into described SDN controller is formed.
3. method according to claim 1, is characterized in that, based on the network topological information that the SDN switch being linked into described SDN controller is formed, create one or more virtual router comprise following one of at least:
According to from tension management system acceptance to create the solicited message of virtual router for asking, create one or more virtual router, wherein, described request information comprise by described tension management Systematic selection for creating two convergence device B of described one or more virtual router and being connected to form the parameter information of the access device A of one or more access ring with described two convergence device B;
According to the analysis result to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises two convergence device B for creating described one or more virtual router and is connected to form the parameter information of the access device A of one or more access ring with described two convergence device B.
4. method according to claim 1, is characterized in that, at the described network topological information formed based on the described SDN switch being linked into described SDN controller, after creating one or more virtual router, also comprises:
The Topology connection information of described one or more virtual router and physical equipment information are stored.
5. method according to claim 1, is characterized in that, the global configuration had nothing to do in described one or more virtual router deploy and concrete business comprises:
For each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures;
For each virtual router, two convergence device B create up logic interfacing.
6. method according to any one of claim 1 to 5, is characterized in that, the described business configuration corresponding with described concrete business in the virtual router deploy for participating in concrete business comprises:
Obtain physical interface and virtual LAN VLAN information creating that access device A included on described virtual router inputs for participating in the sub-interface of concrete business on access device A, and on two convergence device B, participate in the logical subinterface of concrete business;
According to the tunnel information corresponding to described virtual router, be created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information;
By concrete business and the sub-interface created on described access device A, and the logical subinterface created on described convergence device B, and active and standby pseudo-line is bound.
7. a network virtualization processing unit, is characterized in that, comprising:
Access module, for being linked into SDN controller by the software defined network SDN switch of access layer network;
Creation module, for the network topological information formed based on the SDN switch being linked into described SDN controller, creates one or more virtual router;
First deployment module, for the global configuration had nothing to do in described one or more virtual router deploy and concrete business;
Second deployment module, in the business configuration corresponding with described concrete business of the virtual router deploy for participating in concrete business.
8. device according to claim 7, is characterized in that, described access module comprises:
Access unit, for being linked into described SDN controller by predetermined protocol by the described SDN switch of described access layer network;
Determining unit, for determining the network topological information that the SDN switch being linked into described SDN controller is formed.
9. device according to claim 7, is characterized in that, described creation module comprise following one of at least:
First creating unit, for according to from tension management system acceptance to create the solicited message of virtual router for asking, create one or more virtual router, wherein, described request information comprise by described tension management Systematic selection for creating two convergence device B of described one or more virtual router and being connected to form the parameter information of the access device A of one or more access ring with described two convergence device B;
Second creating unit, for the analysis result of foundation to the topology information obtained from tension management system, create one or more virtual router, wherein, analysis result comprises two convergence device B for creating described one or more virtual router and is connected to form the parameter information of the access device A of one or more access ring with described two convergence device B.
10. device according to claim 7, is characterized in that, also comprises:
Memory module, for storing the Topology connection information of described one or more virtual router and physical equipment information.
11. devices according to claim 7, is characterized in that, described first deployment module comprises:
3rd creating unit, for for each virtual router, the following information that each access device A is created to two convergence device B of corresponding virtual router one of at least: the tunnel of access device A to two convergence device B, the oam OAM of access device A to two convergence device B configure, the service quality QoS of access device A to two convergence device B configures;
4th creating unit, for for each virtual router, two convergence device B creates up logic interfacing.
12. devices according to any one of claim 7 to 11, it is characterized in that, described second deployment module comprises:
Acquiring unit, for obtaining on described virtual router physical interface and virtual LAN VLAN information creating that included access device A inputs for participating in the sub-interface of concrete business on access device A, and on two convergence device B, participate in the logical subinterface of concrete business;
5th creating unit, for the tunnel information corresponding to described virtual router, is created to the active and standby pseudo-line of two convergence device B and the service quality QoS information of correspondence and oam OAM information;
Binding unit, for by concrete business and the sub-interface that creates on described access device A, and the logical subinterface created on described convergence device B, and active and standby pseudo-line is bound.
13. 1 kinds of network virtualization treatment systems, is characterized in that, comprising:
Be linked into the software defined network SDN switch of the access layer network of SDN controller, for performing the forwarding of data surface according to the logic of SDN controller;
SDN controller, based on the network topological information that the SDN switch being linked into described SDN controller is formed, creates one or more virtual router; In the global configuration that described one or more virtual router deploy and concrete business have nothing to do; And, in the business configuration that the virtual router deploy for participating in concrete business is corresponding with described concrete business.
14. systems according to claim 13, is characterized in that, also comprise:
Tension management system, for by the interface with described SDN controller, asks described SDN controller to create described one or more virtual router; And/or,
Network management system, for the network topological information providing the SDN switch being linked into described SDN controller to form to described SDN controller.
Priority Applications (2)
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| CN201410359508.0A CN105282004A (en) | 2014-07-25 | 2014-07-25 | Network virtualization processing method, device and system |
| PCT/CN2014/089079 WO2015117385A1 (en) | 2014-07-25 | 2014-10-21 | Network virtualization processing method, device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410359508.0A CN105282004A (en) | 2014-07-25 | 2014-07-25 | Network virtualization processing method, device and system |
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| CN105282004A true CN105282004A (en) | 2016-01-27 |
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| CN201410359508.0A Withdrawn CN105282004A (en) | 2014-07-25 | 2014-07-25 | Network virtualization processing method, device and system |
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| CN (1) | CN105282004A (en) |
| WO (1) | WO2015117385A1 (en) |
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