CN109743244A - A kind of system and method for realizing that high speed interconnects based on SDN and NFV technology - Google Patents

A kind of system and method for realizing that high speed interconnects based on SDN and NFV technology Download PDF

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Publication number
CN109743244A
CN109743244A CN201910219897.XA CN201910219897A CN109743244A CN 109743244 A CN109743244 A CN 109743244A CN 201910219897 A CN201910219897 A CN 201910219897A CN 109743244 A CN109743244 A CN 109743244A
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cpe
hubcpe
sdn
data
high speed
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王传国
孔维宾
严丽
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SHANDONG HUACHEN TAIER INFORMATION TECHNOLOGY CO LTD
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SHANDONG HUACHEN TAIER INFORMATION TECHNOLOGY CO LTD
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Abstract

Realize that the system and method to interconnect at a high speed, the system mainly include that a hubCPE and multiple CPE, hubCPE pass through data tunnel interconnection with each CPE respectively based on SDN and NFV technology this application discloses a kind of.HubCPE hardware cell supports X86-based, and hubCPE software unit includes: VPP, web system, vCPEProxy system and Mysql;CPE hardware cell supports X86-based and arm framework, CPE software unit include OVS and auto-negotiation program.This method comprises: CPE initiates registration request to hubCPE according to customized upper wire protocol;HubCPE parses registration request;If granted with CPE that registration request matches, hubCPE returns to the message to succeed in registration;CPE sends keepalive message to hubCPE;According to first keepalive message that CPE is sent, the tunnel to match with CPE is created in VPP, and is fed back and received response.By the application, the operating efficiency and O&M efficiency of IP network can be greatly improved, and is conducive to improve treatment effeciency and the processing flexibility of network data, convenient for promoting.

Description

A kind of system and method for realizing that high speed interconnects based on SDN and NFV technology
Technical field
This application involves SDN (Software Defined Network, software defined networks) and NFV (Network Function Virtualization, network function virtualization) network communication technology field, SDN is based on more particularly to one kind The system and method that high speed interconnects are realized with NFV technology.
Background technique
IP network is a kind of converged network that can cover the multimedia services such as text, voice and video.With interconnection The development of network technology, IP network uses the Evolution Strategies of " patch installing " formula, so that the function and business of IP device become increasingly complex, The complexity of IP device leads to IP network management and the complication of O&M.Specifically, current IP networks are in deployment one global business When tactful, need to configure every IP device one by one, and IP network control plane and the depth of data plane couple, so that any one The introducing of a new technology all heavy dependence network equipments, and multiple network equipment synchronized updates are needed, lead to the deployment of new technology Period is longer.Therefore, the Closed Architecture for how breaking network enhances the programmability of network, is to promote IP network performance Major issue.
Current IP network generallys use SDN network framework, includes large-scale control in a SDN network framework specifically Device processed and complicated transponder, data control plane is removed from the individual equipment of traditional network, is focused on controller, and data Forwarding surface is made of transponder, and the interchanger for executing forwarding behavior is commonly referred to as transponder.Controller is responsible for collecting whole network The information such as topology, flow, flow forward-path is calculated, by OpenFlow (for describing to hand between controller and interchanger The mutually used standard of information and the interface standard of controller and interchanger) forwarding-table item is handed down to interchanger by agreement, it exchanges Machine executes forwarding behavior according to list item.
However, current SDN network framework, since its controller and transponder are large-scale and complicated device, operating procedure More complex, so that the data deployment and configuration of IP network are complicated, data-handling efficiency is not high enough, and O&M low efficiency, especially exists It is not easy to promote in medium-sized and small enterprises.
Summary of the invention
The system and method to interconnect at a high speed are realized based on SDN and NFV technology this application provides a kind of, it is existing to solve There are the SDN network in technology complicated for operation, O&M low efficiency and is not easy to the problem of promoting.
In order to solve the above-mentioned technical problem, the embodiment of the present application discloses following technical solution:
A kind of system for realizing that high speed interconnects based on SDN and NFV technology, the system are applied to medium-sized and small enterprises, The system comprises: a hubCPE and multiple CPE (Customer Premise Equipment, customer terminal equipment), and The hubCPE is interconnected with any CPE in multiple CPE by data tunnel respectively;
The hubCPE includes hubCPE hardware cell and hubCPE software unit, and the hubCPE hardware cell is supported X86-based, the hubCPE software unit include: that (Vector Packet Processing, the processing of batch data packet are soft by VPP Part), web system, vCPEProxy system and Mysql;
The VPP, for utilizing VPP-DPDK (Data Plane Development Kit, data surface in hubCPE Development kit) technology progress data forwarding;
The vCPEProxy system, for carrying out online authentication protocol parsing, and according to parsing result to the VPP Tentatively configured;
The web system, for being checked to the VPP and configured in one piece;
The Mysql, for being recorded to the relevant data of VPP;
Any CPE includes CPE hardware cell and CPE software unit, the CPE hardware cell support X86-based and Arm framework, the CPE software unit include: OVS (Open vSwitch network, the net of a high quality multilayer virtual interchanger Network) and auto-negotiation program;
The OVS, for carrying out data forwarding in any CPE;
The auto-negotiation program, for controlling the OVS.
Optionally, the hubCPE hardware cell includes: the VN series of products of X86-based or X86-based and is provided with branch The equipment for holding the network interface card of DPDK technology.
Optionally, the CPE hardware cell includes: the VN series of products of X86-based or the EN series of products of arm framework.
Optionally, the online protocol architecture between the hubCPE and any CPE is json structure.
Optionally, the tunnel type of the data tunnel include: vxlan, ipsec, gre, vxlan over ipsec, Gre over ipsec, ipsec over vxlan or gre over vxlan.
Optionally, which is characterized in that RESTFUL protocol interface and NETCONF protocol interface are provided on the hubCPE.
A method of realizing that high speed interconnects based on SDN and NFV technology, the method is applied to medium-sized and small enterprises It include a hubCPE and multiple CPE in the system, and the hubCPE is logical with any CPE in multiple CPE respectively in system Cross data tunnel interconnection, which comprises
CPE initiates registration request to hubCPE according to customized upper wire protocol according to the IP address of hubCPE;
HubCPE parses acquired registration request according to the format of customized upper wire protocol;
Inventory is registered according to CPE, judges whether the CPE to match with the registration request is granted;
If so, hubCPE returns to the feedback message to succeed in registration to CPE;
CPE sends keepalive message according to acquired feedback message, to hubCPE;
First keepal ive message that HubCPE is sent according to CPE, creates in the data forwarding plane of hubCPE The data tunnel to match with the CPE, and response is received to CPE feedback;
Second and the later keepalive message that HubCPE is sent according to CPE, record receive keepal ive message Time, and to the CPE feedback receive response.
Optionally, the method also includes:
If also not granted with CPE that the registration request matches, the CPE is recorded in copending table;
According to acquired examination & approval order, the CPE is ratified.
Optionally, first keepal ive message that HubCPE is sent according to CPE, in the data forwarding plane of hubCPE After the data tunnel that middle creation matches with the CPE, the method also includes:
The state of CPE is changed in hubCPE online.
Optionally, when the tunnel type of the data tunnel be vxlan when, the HubCPE sent according to CPE first A keepal ive message, the method that the data tunnel to match with the CPE is created in the data forwarding plane of hubCPE, Include:
According to first keepalive message that CPE is sent, remote port is recorded in VxlanTunnelEndPoint In structural body, and create the tunnel vxlan;
In data forwarding process, by VxlanTunnel route querying hash algorithm, calculated by remote port and far-end IP Obtain the VxlanTunnelNode to match;
Vxlan group packet and logic of unpacking are executed using the VxlanTunnelNode.
The technical solution that embodiments herein provides can include the following benefits:
The application provides a kind of system for realizing that high speed interconnects based on SDN and NFV technology, which is mainly used in Medium-sized and small enterprises, the system include being interconnected between a hubCPE and multiple CPE, hubCPE and each CPE by data tunnel, And hubCPE and each CPE include software unit and hardware cell.HubCPE software unit includes being used as data forwarding plane VPP and web system, vCPEProxy system and Mysql as data control plane.CPE software unit includes being used as number OVS according to Forwarding plane and the auto-negotiation program as data control plane.HubCPE hardware cell can be used in this system The VN series of products of X86-based, X86-based or arm framework can be used in CPE hardware cell, therefore system architecture is simple, does not need It buys special VPN hardware device VPN can be realized and interconnect, easy to operate, data transmission efficiency is high, and O&M is simple, has Conducive to popularization and use.And the data forwarding plane VPP of hubCPE uses VPP-DPDK technology in the application, operates in operation system User space (User space) mode of system can carry out send and receive packets processing using the data surface library of itself, to get around Linux Kernel state protocol stack is conducive to the treatment effeciency for promoting message, so as to greatly improve the treatment effeciency of network data.This Shen Please in CPE hardware cell simultaneously support X86-based and arm framework, can according to different business demands carry out flexible choice, it is simultaneous Capacitive is high, is conducive to the flexibility for improving whole system.In addition, the tunnel type of the application data tunnel includes a variety of, user It can flexibly be switched according to business demand, be conducive to the flexibility and compatibility that improve whole system.
The application also provides a kind of method for realizing that high speed interconnects based on SDN and NFV technology, and this method is mainly applied It in the system that interconnects of medium-sized and small enterprises, and include a hubCPE and multiple CPE in the system.This method CPE first According to the IP address of hubCPE, registration request is initiated to hubCPE according to customized upper wire protocol, hubCPE is according to customized The format of upper wire protocol parses acquired registration request, and judges whether current CPE is granted, only currently When CPE is granted, hubCPE returns to the feedback message that succeeds in registration to CPE, CPE according to acquired feedback message, to HubCPE sends keepalive message, first keepalive message that then HubCPE is sent according to CPE, hubCPE's The data tunnel to match with CPE is created in data forwarding plane, and receives response to CPE feedback, is only updated CPE later and is sent The time of keepal ive message and hubCPE are sent to CPE receives response, to realize the data forwarding plane of hubCPE Normal high-speed data forwarding and communication between the data forwarding plane OVS of VPP and CPE.In the application between hubCPE and CPE Progress auto negotiation is online and constructs data tunnel, and flexibility is high, and data-handling efficiency is high;Pass through simple initial configuration IP The essential informations such as the tunnel type between address, and configuration hubCPE and each CPE, can be realized automatic wire charging, therefore this The deployment of IP network is more convenient in application, is highly convenient for promoting the use of in medium-sized and small enterprises.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application Example, and together with specification it is used to explain the principle of the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of system for realizing that high speed interconnects based on SDN and NFV technology provided by the embodiment of the present application Structural schematic diagram;
Fig. 2 is the topological structure figure of system in the embodiment of the present application;
Fig. 3 is a kind of method for realizing that high speed interconnects based on SDN and NFV technology provided by the embodiment of the present application Flow diagram;
Fig. 4 is the data flow diagram that vxlan wears NAT in the embodiment of the present application.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The application protection all should belong in technical staff's every other embodiment obtained without making creative work Range.
The application in order to better understand explains in detail presently filed embodiment with reference to the accompanying drawing.
Embodiment one
Referring to Fig. 1, Fig. 1 is that one kind provided by the embodiment of the present application is interconnected based on SDN and NFV technology realization high speed System structural schematic diagram.As shown in Figure 1, the system in the present embodiment specifically includes that hubCPE and multiple CPE, Pool side centered on hubCPE is interconnected with any CPE in multiple CPE by data tunnel respectively.
HubCPE includes hubCPE hardware cell and hubCPE software unit.Wherein, hubCPE hardware cell supports X86 frame Structure.Specifically, hubCPE hardware cell include: X86-based VN series of products or X86-based and be provided with support DPDK technology Network interface card equipment.Wherein, it X86-based and is provided with the equipment of network interface card of DPDK technology is supported to can choose to strong server.
HubCPE software unit includes: VPP, web system, vCPEProxy system and Mysql.Wherein, VPP is used for Data forwarding is carried out using VPP-DPDK technology in hubCPE;VCPEProxy system is used to carry out online authentication protocol parsing, with And VPP is tentatively configured according to parsing result;Web system is used to check VPP and configured in one piece;Mysql is number According to library, for being recorded using database to the relevant data of VPP.Data forwarding plane of the VPP as hubCPE, web system System, vCPEProxy system and Mysql constitute the data control plane of hubCPE.
The data forwarding plane VPP of hubCPE uses VPP-DPDK technology in the present embodiment, operates in operating system Under user space mode, send and receive packets processing is carried out using the data surface that VPP itself is provided, avoids assisting using linux kernel state Stack is discussed, so that pool side centered on hubCPE, can support higher forwarded rate, is conducive to improve Message processing effect Rate realizes superfast data transmission, to greatly improve system to the treatment effeciency of network data.In addition, the number of this implementation A variety of data tunnel types are also supported according to Forwarding plane VPP, are conducive to the compatibility and flexibility of raising system.
In practical applications, the data forwarding plane VPP of hubCPE first uses VPP-DPDK skill to HubCPE software unit Art operates under the user space mode of operating system, carries out send and receive packets processing;Then, hubCPE runs vCPEProxy journey Sequence parses online authentication protocol, is tentatively configured according to protocol analysis result to VPP, and carry out phase by Mysql Close the record of data;Tomcat is run on hubCPE, using web system as control plane, VPP is checked and is matched comprehensively It sets.
With continued reference to Fig. 1 it is found that any CPE includes CPE hardware cell and CPE software unit in the present embodiment.Wherein, CPE hardware cell supports X86-based and arm framework.Specifically, in the present embodiment CPE hardware cell include: X86-based VN The EN series of products of series of products or arm framework.The compatible X86-based of CPE hardware cell and arm framework, practical in the present embodiment Flexible choice can be carried out according to business demand and emphasis in.In general, laying particular emphasis on parallel computation and virtualization capability In business, the CPE hardware cell of X86-based can choose;It lays particular emphasis in the business of forwarded ability, can choose arm frame The CPE hardware cell of structure.
CPE software unit in any CPE includes: OVS and auto-negotiation program.Wherein, data forwarding of the OVS as CPE Plane, for carrying out data forwarding in any CPE;Data control plane of the auto-negotiation program as CPE, for OVS into Row control.CPE is capable of providing the function such as common forwarding, the tunnel vxlan and ike negotiation using OVS as data forwarding plane Can, wherein the purpose of ike negotiation is to create the tunnel ipsec.The parsing of the customized upper wire protocol of CPE auto-negotiation program load And configuration.Specifically, the IP address for configuring hubCPE first, then initiates online negotiation, it is online negotiate successfully after can be It is shown as online on hubCPE.The topological frame for the system that high speed interconnects is realized in the present embodiment based on SDN and NFV technology Composition may refer to Fig. 2.As shown in Figure 2, it is interconnected between CPE and hubCPE by data tunnel;HubCPE provides visual Web management interface, attached device intercommunication under CPE, with hubCPE LAN jaws equipment intercommunication.
Tunnel type in the present embodiment for realizing the data tunnel interconnected between hubCPE and any CPE includes: Vxlan, ipsec, gre, vxlan over ipsec, gre over ipsec, ipsec over vxlan or gre over Vxlan etc..Wherein, vxlan is two layers of VPN (Virtual Private Network, Virtual Private Network) tunnel protocol, Ipsec and gre is three-layer VPN tunnel protocol, vxlan over ipsec, gre over ipsec, ipsec over vxlan And gre over vxlan is combination protocol tunnel type.A variety of tunnel types are supported in the present embodiment, it can in practical application To be switched over according to business demand, when switching, need to only modify tunnel type in web system.In the present embodiment, Between hubCPE and any CPE data tunnel there are many tunnel type it is optional, can greatly improve whole system flexibility and Compatibility is conducive to improve data-handling efficiency, convenient for promoting the use of.
Database table in the present embodiment is all applied in the vCPEProxy system of hubCPE software unit.The present embodiment The middle device parameter that all CPE are saved using gw_info table, these device parameters include: device name, equipment SN (Serial Number, product ID), tunnel type and equipment state.Assuming that when tunnel_type is 0 in definition gw_info table, Tunnel type is vxlan;When tunnel_type is 1 in definition gw_info table, tunnel type ipsec, then, vxlan_id As an external key, what is connected is vxlan_info table;For ipsec_id as an external key, that connected is ipsec_info Table.CPE access request table, after the end hubCPE receives first message of the online negotiation of cpe device initiation, in required list A newly-increased record, which can be checked by the interface of web system, be ratified and initial configuration.
In addition, the online protocol architecture in the present embodiment between hubCPE and any CPE is json structure.Upper wire protocol knot Structure uses json format, and the data format is simple, is easy to read and write and parse, and is conducive to improve data read-write efficiency, and the format It is compressed format, the bandwidth of occupancy is small, is conducive to save system resource.Json format also supports multilingual, such as: ActionScript, C, C#, ColdFusion, Java, JavaScript, Perl, php, Python and Ruby language etc., this A little language are server end language, are parsed convenient for server device, so that the efficiency of data parsing is improved, moreover, because Json format can be used directly for server-side code, can greatly simplify the code development quantity of server end and client, Improve working efficiency and use easy to spread.
Further, in this embodiment RESTFUL protocol interface and NETCONF protocol interface are provided on hubCPE, RESTFUL protocol interface is based on http protocol, and NETCONF protocol interface is based on SSH agreement.RESTFUL protocol interface and Control interface of the NETCONF protocol interface as this system is used for by this system and other SDN system dockings, convenient for being by this System is integrated into other SDN systems, is conducive to the application range and scene that expand this system.
In conclusion realized in the present embodiment based on SDN and NFV technology the framework of the system that high speed interconnects compared to Existing SDN system, structure are simpler, it is only necessary to which common VN serial equipment and EN serial equipment can be realized.And This structure setting, so that the lower deployment cost of whole system is lower, not needing to buy special VPN hardware device be can be realized VPN interconnects, or even VN serial equipment and EN serial equipment all do not need to buy, the equipment for reusing the existing free time, The equipment of certain free time needs to be provided with the network interface card for supporting DPDK technology.
Embodiment two
Referring to Fig. 3 on the basis of Fig. 1 and embodiment illustrated in fig. 2, Fig. 3 is a kind of base provided by the embodiment of the present application The flow diagram for the method that high speed interconnects is realized in SDN and NFV technology.From the figure 3, it may be seen that being based on SDN in the present embodiment The method that high speed interconnects is realized with NFV technology, is mainly included the following steps:
S0:CPE initiates registration request to hubCPE according to customized upper wire protocol according to the IP address of hubCPE.
The IP address needs of hubCPE are pre-configured in the present embodiment.
S1:hubCPE parses acquired registration request according to the format of customized upper wire protocol.
S2: registering inventory according to CPE, judges whether the CPE to match with registration request is granted
Specifically, CPE registration inventory is prestored in the Mysql of hubCPE software unit, hubCPE is to acquired registration After request is parsed, acquired registration request is compared with the CPE registration inventory in Mysql, judges to ask with registration Ask the CPE to match whether granted.
If granted with CPE that registration request matches, then follow the steps S5:hubCPE and registered to CPE return The feedback message of function.
The feedback message returned in the present embodiment includes the tunnel type and relevant parameter of CPE.
Further, if the CPE to match with registration request is not granted, step S3 and S4 are executed.
S3: CPE is recorded in copending table.
S4: according to acquired examination & approval order, CPE is ratified.
When carrying out registration approval to CPE in the present embodiment, needs user to log in web system and carry out manual verification and approval.
With continued reference to Fig. 3 it is found that executing step S6:CPE after the feedback message that hubCPE succeeds in registration to CPE return According to acquired feedback message, keepalive message is sent to hubCPE.
After CPE receives the feedback message to succeed in registration, keepal ive report is sent to hubCPE according to the feedback message Text.CPE can ceaselessly send keepal ive message at regular intervals in the present embodiment, in order to monitor connection shape State.
First keepal ive message that S7:hubCPE is sent according to CPE, is created in the data forwarding plane of hubCPE The data tunnel to match with CPE is built, and receives response to CPE feedback.
Further, in this embodiment first keepal ive message that hubCPE is sent according to CPE, hubCPE's It further include step S8: by CPE's in hubCPE after creating the data tunnel to match with CPE in data forwarding plane VPP State be changed to it is online, in order to which user easily obtains by web system the state of CPE in time.
Second and the later keepalive message that S9:HubCPE is sent according to CPE, record receive keepalive report The time of text, and response is received to CPE feedback.
By above step S0-S9, between the data forwarding plane OVS of data forwarding the plane VPP and CPE of hubCPE, It can carry out normal data forwarding data communication.
Further, in this embodiment the tunnel type of data tunnel includes: vxlan, ipsec, gre, vxlan over Ipsec, gre over ipsec, ipsec over vxlan or gre over vxlan.A variety of tunnel types are optional, so that This method can be suitable for different business scenarios, be conducive to expand this method application range, and improve data interconnection it is mutual Logical flexibility.
When tunnel type is vxlan, step S7 is comprised the following processes:
S71: remote port is recorded in by the first keepalive message sent according to CPE In VxlanTunnelEndPoint structural body, and create the tunnel vxlan.
S72: in data forwarding process, by VxlanTunnel route querying hash algorithm, by remote port and far-end IP Calculate the VxlanTunnelNode for obtaining and matching.
S73: vxlan group packet and logic of unpacking are executed using VxlanTunnelNode.
Specifically, the data flow diagram that vxlan wears NAT in the present embodiment may refer to Fig. 4.There are five vxlan agreements Element: local IP, local port, far-end IP, remote port, VNI.During the original VXLAN tunnel protocol of VPP is realized, local port It is fixed with remote port, it is assumed that remote port address fixed bit 4789 can not support vxlan to wear the function of NAT.This reality It applies example to improve VPP, improvement includes: VxlanTunnelEndPoint structural body, VxlanTunnel route querying The order line and API of hash algorithm, Vxlan group packet and logic of unpacking, Vxlan tunnel creation and deletion.If CPE is located at NAT Inside, when in step S6 CPE issue first keepalive data packet be encapsulated in the head vxlan after after, vxlan is worn IP address IP-internal and UDP source port number 4789 can be mapped to public network IP address IP-public and one when more NAT The port UDP-src-port-public being calculated by NAT algorithm, then, the data that data packet can be sent to hubCPE turn It sends out in plane VPP, in the step s 7, VPP will record down the IP-public and UDP-src-port- after receiving data packet Public, while using IP-public as far-end IP, UDP-src-port-public creates vxlan as remote port, this Sample VxlanTunnelEndPoint structural body can normally handle the encapsulation and decapsulation of the vxlan tunneling data between CPE ?.VPP can be sent to the port UDP-src-port-public of IP-public from the data that the tunnel vxlan issues, by looking into Map record is looked for, IP-public and UDP-src-port-public IP-internal and 4789 can be converted to, finally counted It is handled according to CPE is reached.
The part that the embodiment is not described in detail, may refer to Fig. 1 and embodiment shown in Fig. 2 one, two embodiments it Between can mutual reference, details are not described herein.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of system for realizing that high speed interconnects based on SDN and NFV technology, the system are applied to medium-sized and small enterprises, Be characterized in that, the system comprises a hubCPE and multiple CPE, and the hubCPE respectively with any in multiple CPE CPE is interconnected by data tunnel;
The hubCPE includes hubCPE hardware cell and hubCPE software unit, and the hubCPE hardware cell supports X86 frame Structure, the hubCPE software unit include: VPP, web system, vCPEProxy system and Mysql;
The VPP, for carrying out data forwarding using VPP-DPDK technology in hubCPE;
The vCPEProxy system carries out the VPP for carrying out online authentication protocol parsing, and according to parsing result Preliminary configuration;
The web system, for being checked to the VPP and configured in one piece;
The Mysql, for being recorded to the relevant data of VPP;
Any CPE includes CPE hardware cell and CPE software unit, and the CPE hardware cell supports X86-based and arm frame Structure, the CPE software unit include: OVS and auto-negotiation program;
The OVS, for carrying out data forwarding in any CPE;
The auto-negotiation program, for controlling the OVS.
2. a kind of system for being realized that high speed interconnects based on SDN and NFV technology according to claim 1, feature are existed Include: the VN series of products of X86-based in, the hubCPE hardware cell or X86-based and is provided with and supports DPDK technology The equipment of network interface card.
3. a kind of system for being realized that high speed interconnects based on SDN and NFV technology according to claim 1, feature are existed In the CPE hardware cell includes: the VN series of products of X86-based or the EN series of products of arm framework.
4. a kind of system for being realized that high speed interconnects based on SDN and NFV technology according to claim 1, feature are existed In the online protocol architecture between the hubCPE and any CPE is json structure.
5. a kind of system for realizing that high speed interconnects based on SDN and NFV technology according to claim 1, feature It is, the tunnel type of the data tunnel includes: vxlan, ipsec, gre, vxlan over ipsec, gre over Ipsec, ipsec over vxlan or gre over vxlan.
6. any a kind of system for realizing that high speed interconnects based on SDN and NFV technology in -5 according to claim 1, It is characterized in that, being provided with RESTFUL protocol interface and NETCONF protocol interface on the hubCPE.
7. a kind of method for realizing that high speed interconnects based on SDN and NFV technology, the method are applied to medium-sized and small enterprises' system In, which is characterized in that it include a hubCPE and multiple CPE in the system, and the hubCPE is respectively and in multiple CPE Any CPE is interconnected by data tunnel, which comprises
CPE initiates registration request to hubCPE according to customized upper wire protocol according to the IP address of hubCPE;
HubCPE parses acquired registration request according to the format of customized upper wire protocol;
Inventory is registered according to CPE, judges whether the CPE to match with the registration request is granted;
If so, hubCPE returns to the feedback message to succeed in registration to CPE;
CPE sends keepalive message according to acquired feedback message, to hubCPE;
First keepalive message that HubCPE is sent according to CPE, in the data forwarding plane of hubCPE creation with it is described The data tunnel that CPE matches, and response is received to CPE feedback;
Second and the later keepalive message that HubCPE is sent according to CPE, record receive keepalive message when Between, and response is received to CPE feedback.
8. a kind of method for realizing that high speed interconnects based on SDN and NFV technology according to claim 7, which is characterized in that The method also includes:
If also not granted with CPE that the registration request matches, the CPE is recorded in copending table;
According to acquired examination & approval order, the CPE is ratified.
9. a kind of method for realizing that high speed interconnects based on SDN and NFV technology according to claim 7, which is characterized in that First keepalive message that HubCPE is sent according to CPE, creation and the CPE in the data forwarding plane of hubCPE After the data tunnel to match, the method also includes:
The state of CPE is changed in hubCPE online.
10. according to a kind of method to be interconnected based on SDN and NFV technology realization high speed any in claim 7-9, It is characterized in that, when the tunnel type of the data tunnel is vxlan, sent according to CPE first of the hubCPE Keepalive message, the method that the data tunnel to match with the CPE is created in the data forwarding plane of hubCPE, packet It includes:
According to first keepalive message that CPE is sent, remote port is recorded in VxlanTunnelEndPoint structure In body, and create the tunnel vxlan;
In data forwarding process, by VxlanTunnel route querying hash algorithm, is calculated and obtained by remote port and far-end IP The VxlanTunnelNode to match;
Vxlan group packet and logic of unpacking are executed using the VxlanTunnelNode.
CN201910219897.XA 2019-03-21 2019-03-21 A kind of system and method for realizing that high speed interconnects based on SDN and NFV technology Pending CN109743244A (en)

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Application publication date: 20190510