CN104901825A - Method and device for realizing zero configuration startup - Google Patents
Method and device for realizing zero configuration startup Download PDFInfo
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- CN104901825A CN104901825A CN201410078400.4A CN201410078400A CN104901825A CN 104901825 A CN104901825 A CN 104901825A CN 201410078400 A CN201410078400 A CN 201410078400A CN 104901825 A CN104901825 A CN 104901825A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0895—Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a method for realizing zero configuration startup which is applied to SDN network equipment. The method comprises the steps as follows: requesting address information of a controller and channel information between the SDN network equipment and the controller from a server; receiving the address information and channel information of the controller, which are returned by the server; configuring SDN parameters for the equipment according to the received address information and channel information of the controller; establishing a safe channel with the controller according to the parameter configuration. Through adoption of the technical solution of the invention, the method for realizing the zero configuration startup of the invention reduces manual working of network management and maintenance and improves accuracy of network configuration.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to one and realize SDN(Software Defined Networking, software defined network) network equipment zero configuration start method and apparatus.
Background technology
Along with developing rapidly of Internet technology, the number of services of the network carrying is increasingly huge, and class of business is increasingly sophisticated, and therefore network size also constantly increases, and this network disadvantage that functional design defect based on legacy network architectural framework is caused is day by day obvious.For these problems, SDN arises at the historic moment, the network equipments all in network is considered as the resource be managed by SDN, principle with reference to operating system takes out network operating system (Network OS), shield the detail of underlay network device on the one hand, simultaneously also for upper layer application provides unified administration view and DLL (dynamic link library).Like this, this platform of operating system Network Based, user can develop various application program, defines network topology in logic by software, to meet the different demands to Internet resources, and without the need to being concerned about the physical topological structure of bottom-layer network.
SDN realizes principle: original message repeating mode controlled by switch/router is completely converted to the flow forwarding mode described based on multiple domain net handbag head, the datum plane (data plane) of legacy network devices and control plane (control plane) are separated simultaneously, route test function is stripped out from the network equipment, the decision-making of all forwarding behaviors all moves on centralized controller, with standardized interface by centralized controller (Controller) the various network equipment is managed and configured, thus the design to Internet resources, management and provides more possibility.
SDN is the subversiveness technology to legacy network, although some suppliers have started to provide and the SDN controller of conventional physical Web-compatible and SDN switch now, also has very long stretch to walk from large-scale deployment and application.And in this process, reducing the manual working of networking and maintenance, reducing network administration cost is the problem that must consider.
Summary of the invention
In view of this, the invention provides a kind of method realizing zero configuration and start, be applied on SDN equipment, comprise:
Channel information between the address information and described SDN equipment and control device of service end request controller;
Receive address information and the channel information of the controller that service end returns;
The SDN parameter configuration of this equipment is carried out according to the address information of controller received and channel information;
The escape way between controller is set up according to described parameter configuration.
A kind of method realizing zero configuration and start provided by the invention, comprising:
Receive the request to controller address information and channel information initiated by SDN equipment;
Address information and the channel information of controller is returned to described SDN equipment.
Present invention also offers a kind of client terminal device realizing zero configuration and start, be applied on SDN equipment, comprise:
Information request unit, for the channel information between the address information and described SDN equipment and control device of service end request controller;
Information receiving unit, for receiving address information and the channel information of the controller that service end returns;
Dispensing unit, for carrying out the SDN parameter configuration of this equipment according to the address information of controller received and channel information;
Path Setup unit, for setting up the escape way between controller according to described parameter configuration.
A kind of service terminal device realizing zero configuration and start provided by the invention, comprising:
Request reception unit, for receiving the request to controller address information and channel information initiated by SDN equipment;
Request-response unit, for returning address information and the channel information of controller to described SDN equipment.
From above technical scheme, embodiments of the invention are by being provided address information and the channel information of controller to SDN equipment by service end, achieve the automatic configuration of controller on SDN equipment, decrease network management and the manual working in safeguarding, improve the accuracy of network configuration.
Accompanying drawing explanation
Fig. 1 is a kind of block schematic illustration of SDN;
Fig. 2 is the client flow chart realizing the method that zero configuration starts in the embodiment of the present invention one;
Fig. 3 is the service end flow chart realizing the method that zero configuration starts in the embodiment of the present invention one;
Fig. 4 is the field structure exemplary plot of the DHCP Option carrying address information;
Fig. 5 is the field structure exemplary plot of the DHCP Option carrying channel information;
Fig. 6 is a kind of exemplary plot of SDN networking structure;
Fig. 7 is the structure chart after the networking shown in Fig. 6 simplifies;
Fig. 8 is a kind of hardware structure diagram of SDN equipment or service terminal device place node;
Fig. 9 is a kind of building-block of logic realizing the client terminal device that zero configuration starts in the embodiment of the present invention;
Figure 10 is a kind of building-block of logic realizing the client terminal device that zero configuration starts in the embodiment of the present invention.
Embodiment
SDN comprises SDN equipment (switch) and controller (Controller), as shown in Figure 1.Switch comprises SDN Channel(management channels) and stream table (Flow Table) two functional units, wherein, Switch is by connecting between SDN Channel and Controller, normally set up based on SSL(Secure Sockets Layer, SSL) escape way, and on this escape way, adopt SDN agreement (such as: OpenFlow agreement) to carry out interacting message, make Controller can control Switch, as added, deleting, revise stream table, query statistic information, and E-Packeted by Switch; Meanwhile, Switch also reports the state of self and the various external events that perceive by this escape way to Controller, makes Controller can the change of awareness network running status.To the terminal being connected to Switch, Switch carries out the forwarding of message according to stream table.
Visible, escape way plays function served as bridge between SDN equipment and controller.For reliability consideration, a usual Switch can connect with multiple Controller, and one of them Controller is master controller, and other are from controller.If master controller breaks down, under so Switch can remain running in SDN pattern under certain control from controller.In addition, in order to improve handling property, make full use of the parallel processing feature that most of Switch possesses itself, between a Switch and Controller, main connection is auxiliaryly connected with many and deposits often.
In order to set up escape way, Switch needs configure series of parameters, mainly comprise address information and the channel information of Controller, wherein, address information can comprise IP address, port numbers, VRF(VPN Routing & Forwarding Instance, Virtual Private Network routing transmitting example) example information; Channel information mainly comprises SSL policy information, as PKI(Public Key Infrastructure, public key architecture) domain name, CA(Certification Authority, authentication center) title, registrar URL(Uniform Resource Locator, URL(uniform resource locator)), the Diffie-Hellman, DEA, the MAC(Message Authentication Code that use, message authentication code) algorithm etc.Main connection on escape way and auxiliary connection all need to do similar configuration.When these configurations can match with the corresponding configuration of corresponding Controller side, escape way could be set up between Switch and Controller.
In prior art, these configurations on Switch are all by manually carrying out.Need to be configured to each connection between each Switch and Controller, these repeated configuration loaded down with trivial details in a large number can expend many man-hours of network management personnel, and very easily make mistakes; Further, once the information such as the address of Controller, SSL strategy changes, still need manually to reconfigure the relevant information on each Switch, network administration cost is remained high.
The present embodiment proposes a kind of method that zero configuration restarts that realizes newly and solves the problems referred to above.Method in the present embodiment with C/S(Client/Server, client/server) mode operation, wherein, client operates on SDN equipment, and service end operates on server or SDN controller.It should be noted that, SDN equipment, server, controller can be the logical nodes of corresponding function, also can be physical equipments.Figure 2 shows that the flow chart of client in embodiment one, Figure 3 shows that the flow chart of service end in embodiment one.
In client, step S210, the channel information between the address information and described SDN equipment and control device of service end request controller.
After not yet carrying out the network equipment startup of SDN parameter configuration when one, send predetermined message, to the configuration information of service end request controller.If client does not pre-set the network address of service end or client does not pre-set the local network address, predetermined message can be sent by broadcast mode; Otherwise the message of controller address information and channel information can be sent request directly to the network node at service end place.
In service end, step S310, receives the request to controller address information and channel information initiated by SDN equipment.
In service end, step S320, returns address information and the channel information of controller to described SDN equipment.
Service end preserves the configuration information of SDN controller.After receiving the described request initiated by SDN equipment, the address information of controller and channel information are returned to this SDN equipment by service end.
If there are at least two controllers to supply this SDN equipment use, then service end can also be this SDN equipment dispensing controller according to predetermined load-balancing algorithm in available controller.Such as, when these controller disposal abilities close to, can adopt polling algorithm between SDN equipment, carry out the distribution of controller; If the disposal ability gap of controller is larger, then can determine that certain ratio carries out the distribution of controller according to disposal ability.After completing distribution, service end is returned as address information and the channel information of the controller that it distributes to this SDN equipment.
It should be noted that, the channel information of controller can comprise SSL policy information, also can comprise TLS(Transport Layer Security, safe transmission layer protocol) policy information, the policy information of other transport layer Encryption Transmission Protocol can also be comprised.
As the optional execution mode of one, a master controller and more than one from controller can be distributed for SDN equipment, and the address information of these controllers and channel information all be returned to SDN equipment, to reach better reliability.
In client, step S220, receives address information and the channel information of the controller that service end returns.
In client, step S230, carries out the SDN parameter configuration of this equipment according to the address information of controller received and channel information.
After the address information receiving the controller that service end returns and channel information, client completes the configuration of local SDN parameter according to the information received.If the controller that service end returns comprises master controller and from controller, then client is respectively to master controller and the parameter configuration of carrying out address and passage from controller.
In client, step S240, sets up the escape way between controller according to described parameter configuration.
After the SDN parameter configuration of complete capital equipment, SDN equipment can according to the escape way between this configuration foundation and controller, and according to the regulation of SDN agreement, and carry out message transmissions between controller, realize the various functions of SDN.
In the optional execution mode of one, in service end, can monitor the state of each controller, when finding the abnormal state of certain controller, send updating message to the SDN equipment being configured with this controller, the address information of the controller of this abnormal state and channel information are changed to address information and the channel information of the normal controller of other states.In client, if receive from service end, message that address information and the channel information of controller are upgraded, then change the SDN parameter configuration of this equipment according to received updating message.Like this, even if controller breaks down, SDN equipment also can its configuration of renewal of fast adaptability, and does not need manual intervention.
It should be noted that, if SDN equipment is sent request to service end by broadcast mode in step S210, and in actual networking the node at service end place and this SDN equipment not in a network segment, certain node in the network segment at this SDN equipment place then can be made as via node, via node is preserved address of node, service end place, after via node receives the request that SDN equipment sends with broadcast mode, after this broadcasting packet being changed to the unicast message of address for the purpose of address of node, service end place, be forwarded to service end; After the configuration information receiving the controller that service end returns, be transmitted to this SDN equipment.
Those skilled in the art will know that, DHCP(Dynamic Host Configuration Protocol is adopted in prior art, DHCP) agreement to come with C/S model by service end for client is distributed for himself IP address, in the embodiment of the present invention two, DHCP agreement is expanded, utilize the operating mechanism of DHCP to realize address information that service end is SDN equipment dispensing controller and channel information.In embodiment two, service end is DHCP server side, and SDN equipment is dhcp client, in following flow process, refers to aforementioned explanation, repeat no more the part identical with embodiment one.
At dhcp client, finding by sending DHCP Discover() message is to the address information of service end request controller and channel information.
After not yet carrying out the network equipment startup of SDN parameter configuration, send the configuration information that DHCP Discover message carrys out request controller.If in actual network environment, DHCP server side only provides the services such as IP address for SDN equipment, and is asynchronously the service that common terminal is provided as its distributing IP address, then can adopt existing DHCP Discovery message; Otherwise can mark in DHCP Discovery message, to distinguish the Discovery message of request controller configuration information and only IP address requesting.
As the optional execution mode of one, by SDN equipment while request controller configuration information, can also pass through the address information of DHCP Discover message to this equipment of service end request.The function for client distribution network address that DHCP agreement can be utilized so to have possessed, removes the work for the SDN equipment manual configuration network address further from, and the zero configuration achieving SDN Switch starts.
In DHCP server side, receive DHCP Discovery message, wherein carry the request to controller address information and channel information initiated by SDN equipment.Optionally, the DHCP Discovery message of reception can also carry the request to SDN equipment Self address information.
In DHCP server side, returning DHCP Offer(to SDN equipment provides) message, wherein carry address information and the channel information of controller.
Option(option can be increased in existing DHCP Offer message) carry address information and the channel information of controller.Such as, the field structure of Option shown in Fig. 4 can be adopted to carry the address information of controller, territory in this Option comprises Option Type(option type), Option Length(option), Master SDN Controller IP Address(master controller IP address), Subordinate SDN Controller IP Address(is from controller IP address), VRF Name(VRF title) etc., implication is as shown in table 1:
Table 1
For another example, the field structure of Option shown in Fig. 5 can be adopted to carry the channel information of controller, and in this Option, the implication in each territory is as shown in table 2:
| Territory | Describe |
| Option Type | Value is " SDN Security Channel Information " |
| Option Length | Option |
| Reserved | Reserved field |
| PKI Entry Common Name | PKI entity common name |
| CA Name | The CA title of trusting |
| Registration Server URL | Registration accepts the URL of authority server |
| Encryption-Key-Name | The title that encryption key is right |
| Signature-Key-Name | The title that signature key is right |
| Key Exchange Algorithm | Diffie-Hellman |
| Data Encryption Algorithm | DEA |
| MAC Algorithm | MAC algorithm |
Table 2
Optionally, the address information of this SDN equipment self can also be carried in the DHCP Offer message of reply.It can be conventionally SDN equipment distributing IP address.
At dhcp client, receive DHCP Offer message, wherein carry address information and the channel information of the controller that service end returns.
Optionally, DHCP Offer message can also carry the address information of this equipment that service end returns.
At dhcp client, carry out the SDN parameter configuration of this equipment according to the address information of controller received and channel information.
At dhcp client, set up the escape way between controller according to described parameter configuration.
Optionally, if dhcp client also requests the address information of this equipment to service end simultaneously, then the escape way between controller is set up according to the address information of this equipment received.
In the optional execution mode of one, DHCP server side is by BFD(Bidirectional Forwarding Detection, two-way converting detects) state of agreement to each controller monitor, when finding the abnormal state of certain controller, being confirmed by DHCP ACK() message sends updating message to the SDN equipment being configured with this controller, replaces the relevant information of the control of abnormal state in DHCP ACK message with the address information of the normal controller of other states and channel information.
Because DHCP Discovery message is sent by broadcast mode, when node (DHCP Server) and this SDN equipment at DHCP server side place is not in a network segment, then can increase DHCP Relay(DHCP relaying in the network segment at this SDN equipment place), come to forward DHCP protocol massages at this SDN equipment and DHCP Server.Network such as shown in Fig. 6, Switch1, Switch2 and Switch n obtains the configuration information of the controllers such as Controller1, Controller2 from DHCP Server by DHCP Relay.
For simplifying networking structure, certain controller can be made simultaneously to run the function of DHCP Server, make certain SDN equipment run the function of DHCP Relay simultaneously, the network reduction now shown in Fig. 6 is the networking shown in Fig. 7.
After the scheme of Application Example one and embodiment two, SDN equipment can obtain address and the channel information of controller automatically from service end, no longer need webmaster personnel manual configuration, simplify the networking configuration realizing SDN, improve the efficiency of network management and maintenance, while raising accuracy, reduce management cost.
Realize corresponding with above-mentioned flow process, the present embodiment additionally provides the client terminal device and service terminal device that realize zero configuration startup.Wherein, client terminal device operates on SDN equipment; Service terminal device may operate on SDN controller, also may operate on the server in network, can also operate in other and have computing with on the network node communicated.Client terminal device and service terminal device can pass through software simulating, also can be realized by the mode of hardware or software and hardware combining.For software simulating, as the device on a logical meaning, be by the CPU of client terminal device or service terminal device place equipment the computer program instructions that non-volatile memories is wherein corresponding read in internal memory to run to be formed.Say from hardware view, except the CPU shown in Fig. 8, internal memory and nonvolatile memory, the equipment at client terminal device or service terminal device place also comprises other hardware usually, may be forwarding chip being responsible for process Message processing etc.; May be also distributed equipment from this equipment of hardware configuration, multiple interface card may be comprised to carry out the expansion of Message processing at hardware view.
Figure 9 shows that a kind of client terminal device realizing zero configuration and start that the present embodiment provides, comprise information request unit, information receiving unit, dispensing unit and Path Setup unit, wherein: information request unit is used for the channel information between the address information and described SDN equipment and control device of service end request controller; Information receiving unit is for the address information of controller that receives service end and return and channel information; Dispensing unit is used for the SDN parameter configuration of carrying out this equipment according to the address information of controller received and channel information; Path Setup unit is used for according to the escape way between described parameter configuration foundation with controller.
In the optional execution mode of one, described service end is dynamic host configuration protocol DHCP service end; Described information request unit specifically for: by sending DHCP Discover message to the address information of service end request controller and channel information; The address information of the controller that described service end returns and channel information are carried by DHCP Offer message.
Described device can also comprise: Address requests unit and address accept unit, wherein: Address requests unit is used for by the address information of DHCP Discover message to this equipment of service end request; Address accept unit is used for the address information being received this equipment that service end returns by DHCP Offer message; Described Path Setup unit specifically for: according to described parameter configuration, according to receive this equipment address information set up with controller between escape way.
Optionally, described device can also comprise and upgrades receiving element and config update unit, wherein: upgrade receiving element for receive from service end, message that address information and the channel information of controller are upgraded; Config update unit is used for the SDN parameter configuration changing this equipment according to received updating message.
Optionally, described controller comprises master controller with at least one from controller.
Figure 10 shows that a kind of service terminal device realizing zero configuration and start that the present embodiment provides, comprise request reception unit and request-response unit, wherein: request reception unit is for receiving the request to controller address information and channel information initiated by SDN equipment; Request-response unit is used for the address information from controller to described SDN equipment and the channel information that return.
As the optional execution mode of one, the described request to controller address information and channel information initiated by SDN equipment, is carried by DHCP Discovery message; Described DHCP Discovery message also carries the request to described SDN equipment Self address information; Described controller address information and the channel information returning to SDN equipment, is carried by DHCP Offer message; The address information of described SDN equipment self is also carried in described DHCP Offer message.
Optionally, described device can also comprise Condition Monitoring Unit and upgrade transmitting element, wherein: Condition Monitoring Unit is used for the state of monitor controller; Upgrade transmitting element to be used for when the abnormal state of certain controller, send updating message to the SDN equipment being configured with this controller, the address information of the controller of described abnormal state and channel information are changed to address information and the channel information of the normal controller of other states.
Described device can also comprise allocation units, for being described SDN equipment dispensing controller according to predetermined load-balancing algorithm at least two controllers; Described request response unit specifically for: be returned as its address information of controller of distributing and channel information to described SDN equipment.
In the optional execution mode of one, described device is positioned on controller.
As can be seen from the execution mode of above various method and apparatus, manually carried out the configuration of controller information on SDN equipment by webmaster personnel relative to prior art, embodiments of the invention by SDN equipment to service end request, service end returns address and the channel information of controller to it according to its request, thus automatically complete the configuration effort of controller on SDN equipment, simplify network operation work, improve network management efficiency.In addition, utilize the mechanism of DHCP agreement to carry out the address assignment of SDN equipment, the zero configuration that can realize SDN equipment starts simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (19)
1. realize the method that zero configuration starts, be applied on software defined network SDN equipment, it is characterized in that, comprising:
Channel information between the address information and described SDN equipment and control device of service end request controller;
Receive address information and the channel information of the controller that service end returns;
The SDN parameter configuration of this equipment is carried out according to the address information of controller received and channel information;
The escape way between controller is set up according to described parameter configuration.
2. method according to claim 1, is characterized in that: described service end is dynamic host configuration protocol DHCP service end;
The described address information to service end request controller and the channel information between the described network equipment and controller, specifically comprise: by sending DHCP Discover message to the address information of service end request controller and channel information;
The address information of the controller that described service end returns and channel information are carried by DHCP Offer message.
3. method according to claim 2, is characterized in that, described method also comprises:
By the address information of DHCP Discover message to this equipment of service end request;
The address information of this equipment that service end returns is received by DHCP Offer message;
Escape way between described foundation and controller, comprises further: set up the escape way between controller according to the address information of this equipment received.
4. the method according to claims 1 to 3 any one, is characterized in that, described method also comprises:
Receive from service end, message that address information and the channel information of controller are upgraded;
The SDN parameter configuration of this equipment is changed according to received updating message.
5. method according to claim 1, is characterized in that: described controller comprises master controller and at least one is from controller.
6. realize the method that zero configuration starts, it is characterized in that, comprising:
Receive the request to controller address information and channel information initiated by software defined network SDN equipment;
Address information and the channel information of controller is returned to described SDN equipment.
7. method according to claim 6, is characterized in that: the described request to controller address information and channel information initiated by SDN equipment, is carried by DHCP Discovery message; Described DHCP Discovery message also carries the request to described SDN equipment Self address information;
Described controller address information and the channel information returning to SDN equipment, is carried by DHCP Offer message; The address information of described SDN equipment self is also carried in described DHCP Offer message.
8. the method according to claim 6 or 7, is characterized in that, described method also comprises:
The state of monitor controller;
When the abnormal state of certain controller, send updating message to the SDN equipment being configured with this controller, the address information of the controller of described abnormal state and channel information are changed to address information and the channel information of the normal controller of other states.
9. method as claimed in claims 6 or 7, it is characterized in that, described method also comprises: be described SDN equipment dispensing controller according to predetermined load-balancing algorithm at least two controllers;
Described address information and the channel information returning controller to SDN equipment, specifically comprises: the address information from the controller that it distributes to described SDN equipment and the channel information that are returned as.
10. realize the client terminal device that zero configuration starts, be applied on software defined network SDN equipment, it is characterized in that, comprising:
Information request unit, for the channel information between the address information and described SDN equipment and control device of service end request controller;
Information receiving unit, for receiving address information and the channel information of the controller that service end returns;
Dispensing unit, for carrying out the SDN parameter configuration of this equipment according to the address information of controller received and channel information;
Path Setup unit, for setting up the escape way between controller according to described parameter configuration.
11. devices according to claim 10, is characterized in that: described service end is dynamic host configuration protocol DHCP service end;
Described information request unit specifically for: by sending DHCP Discover message to the address information of service end request controller and channel information;
The address information of the controller that described service end returns and channel information are carried by DHCP Offer message.
12. devices according to claim 11, is characterized in that, described device also comprises:
Address requests unit, for passing through the address information of DHCP Discover message to this equipment of service end request;
Address accept unit, for receiving the address information of this equipment that service end returns by DHCP Offer message;
Described Path Setup unit specifically for: according to described parameter configuration, according to receive this equipment address information set up with controller between escape way.
13., according to claim 10 to the device described in 12 any one, is characterized in that, described device also comprises:
Upgrade receiving element, for receive from service end, message that address information and the channel information of controller are upgraded;
Config update unit, for changing the SDN parameter configuration of this equipment according to received updating message.
14. devices according to claim 10, is characterized in that: described controller comprises master controller and at least one is from controller.
15. 1 kinds of service terminal device realizing zero configuration and start, is characterized in that, comprising:
Request reception unit, for receiving the request to controller address information and channel information initiated by software defined network SDN equipment;
Request-response unit, for returning address information and the channel information of controller to described SDN equipment.
16. devices according to claim 15, is characterized in that: the described request to controller address information and channel information initiated by SDN equipment, are carried by DHCP Discovery message; Described DHCP Discovery message also carries the request to described SDN equipment Self address information;
Described controller address information and the channel information returning to SDN equipment, is carried by DHCP Offer message; The address information of described SDN equipment self is also carried in described DHCP Offer message.
17. devices according to claim 15 or 16, it is characterized in that, described device also comprises:
Condition Monitoring Unit, for the state of monitor controller;
Upgrade transmitting element, for when the abnormal state of certain controller, send updating message to the SDN equipment being configured with this controller, the address information of the controller of described abnormal state and channel information are changed to address information and the channel information of the normal controller of other states.
18. devices as described in claim 15 or 16, it is characterized in that, described device also comprises: allocation units, for being described SDN equipment dispensing controller according to predetermined load-balancing algorithm at least two controllers;
Described request response unit specifically for: be returned as its address information of controller of distributing and channel information to described SDN equipment.
19. devices according to claim 15, is characterized in that: described device is positioned on controller.
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| CN201410078400.4A CN104901825B (en) | 2014-03-05 | 2014-03-05 | A kind of method and apparatus for realizing zero configuration starting |
| PCT/CN2015/073005 WO2015131757A1 (en) | 2014-03-05 | 2015-02-13 | Channel between software defined networking device and controller |
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| CN201410078400.4A CN104901825B (en) | 2014-03-05 | 2014-03-05 | A kind of method and apparatus for realizing zero configuration starting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105162608A (en) * | 2015-10-13 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | Physical address bypass authentication method and device based on software-defined network |
| CN107277190A (en) * | 2017-07-14 | 2017-10-20 | 中国联合网络通信集团有限公司 | A kind of method of SDN equipment automatic wire charging, SDN equipment and controller |
| CN107295113A (en) * | 2016-03-31 | 2017-10-24 | 华为技术有限公司 | A kind of method of network configuration, interchanger and server |
| WO2019000332A1 (en) * | 2017-06-29 | 2019-01-03 | 华为技术有限公司 | Method and device for establishing connection between switch and controller |
| CN109525516A (en) * | 2018-11-16 | 2019-03-26 | 盛科网络（苏州）有限公司 | The method and system of OpenFlow controller information is noticed by DHCP |
| CN112769600A (en) * | 2020-12-29 | 2021-05-07 | 新华三技术有限公司 | DHCP escape method, device, equipment and machine readable storage medium |
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| US20180262473A1 (en) * | 2015-09-22 | 2018-09-13 | Hewlett Packard Enterprise Development Lp | Encrypted data packet |
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| CN102594697A (en) * | 2012-02-21 | 2012-07-18 | 华为技术有限公司 | Load balancing method and device |
| CN103534992A (en) * | 2012-03-14 | 2014-01-22 | 华为技术有限公司 | Method, switch, server, and system for transmitting an establish connection request |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162608A (en) * | 2015-10-13 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | Physical address bypass authentication method and device based on software-defined network |
| CN107295113A (en) * | 2016-03-31 | 2017-10-24 | 华为技术有限公司 | A kind of method of network configuration, interchanger and server |
| CN107295113B (en) * | 2016-03-31 | 2020-08-25 | 华为技术有限公司 | Network configuration method, switch and server |
| WO2019000332A1 (en) * | 2017-06-29 | 2019-01-03 | 华为技术有限公司 | Method and device for establishing connection between switch and controller |
| CN107277190A (en) * | 2017-07-14 | 2017-10-20 | 中国联合网络通信集团有限公司 | A kind of method of SDN equipment automatic wire charging, SDN equipment and controller |
| CN107277190B (en) * | 2017-07-14 | 2019-09-20 | 中国联合网络通信集团有限公司 | A kind of method of SDN equipment automatic wire charging, SDN equipment and controller |
| CN109525516A (en) * | 2018-11-16 | 2019-03-26 | 盛科网络（苏州）有限公司 | The method and system of OpenFlow controller information is noticed by DHCP |
| CN112769600A (en) * | 2020-12-29 | 2021-05-07 | 新华三技术有限公司 | DHCP escape method, device, equipment and machine readable storage medium |
Also Published As
| Publication number | Publication date |
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| WO2015131757A1 (en) | 2015-09-11 |
| CN104901825B (en) | 2019-02-19 |
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