CN109981809A - Software definition data center scene lower network forwarding device dispositions method and device - Google Patents
Software definition data center scene lower network forwarding device dispositions method and device Download PDFInfo
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- H—ELECTRICITY
- 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
- H04L45/64—Routing or path finding of packets in data switching networks using an overlay routing layer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
This application provides a kind of software definition data center scene lower network forwarding device dispositions method and devices, when SDN control equipment receives the dhcp address request message of network equipment transmission, the address information of the network planning is inquired according to the MAC address carried in the dhcp address request message, and the network forwarding equipment is fed back to by DHCP response message；When receiving the TFTP service request for carrying the management IP address that network forwarding equipment is sent according to the TFTP service IP address, corresponding initialization deployment information is inquired according to the management IP address；And the initialization deployment information is handed down to network forwarding equipment by the data message of TFTP format, initialize network forwarding equipment according to the initialization deployment information.This method can save human cost, and the purpose of automation O&M is realized under the premise of improving the accuracy of deployment.
Description
Technical field
The present invention relates to data centers to automate O&M technical field, in particular to a kind of software definition data center scene
Lower network forwarding device dispositions method and device.
Background technique
Nearly ten years, in order to improve network service distribution efficiency, the configuration of promotion network virtualization and elastification service ability,
Yun Hua data center introduces SDN (software defined network) technology to manage globalization Internet resources.Currently, software definition data
Center has become data center's solution of industry mainstream, is widely used in internet, IT (information technology) and telecommunications
The ICT such as industry (Information and Communication Technology) each technical field.
Under software definition data center scene, to realize to Internet resources (network equipment, network state, link information
Etc. contents) globalization management, it is necessary to by the processing capacity of typical SDN southbound interface agreement, e.g., OpenFlow (open flows)
Agreement, NETCONF (network configuration) agreement, BGP-LS (borde gateway of link state) agreement, PCEP (path computation element)
Agreement issues operation to complete apparatus information acquiring and control flow table/configuration.However, these SDN southbound interface agreements are not
Define how realize to controlled plant carry out initial configuration, on the other hand, the message interaction of SDN southbound interface agreement seriously according to
Rely the initialization of the control channel between SDN controller and controlled plant to establish, therefore, in terms of DC networking, is similar to tradition
Data center, there is still a need for network O&M personnel to carry out respectively to each network equipment just for data center's scene of software definition
The configuration of beginningization.
Under conventional data centers scene, the initialization that complete all-network forwarding device in DC (data center) domain is matched
It sets, traditionally needs that following steps are installed respectively for each equipment:
Step 1, the corresponding version file of network forwarding equipment (e.g., interchanger) is sealed up for safekeeping in advance, usual version specification is several
Hundred Mbytes between 2G byte；
Step 2, according to the demand of the network planning, according to different device roles, (core node, aggregation node, access are saved
Point), corresponding configuration template is selected, is copied in the physical carriers equipment such as USB flash disk, CD；
Step 3, corresponding version is imported into network forwarding equipment using the physical carriers such as USB flash disk, CD equipment, usually needed
Wait 20 minutes (access node) --- 1 hour (aggregation node, core node)；
Step 4, the basic parameter of Configuration network forwarding device control channel, for example, the essential informations such as interface IP；
Step 5, the verifying work such as continuity testing is carried out to equipment.
As the scale of data center constantly increases, traditional equipment initial configuration mode, which can no longer meet, is actually answered
With needs, this is because facing large-scale device configuration demand, traditional-handwork configuration mode needs magnanimity, prolonged repetition
Property operation, working efficiency is low, be easy to appear personnel's operation error, on the other hand, the human cost of operation maintenance personnel is in data center
OPEX (operation expenditure) alsies occupy biggish share.
Summary of the invention
In view of this, the application provides a kind of software definition data center scene lower network forwarding device dispositions method and dress
It sets, human cost can be saved, the purpose of automation O&M is realized under the premise of improving the accuracy of deployment.
In order to solve the above technical problems, the technical solution of the application is achieved in that
A kind of software definition data center scene lower network forwarding device dispositions method, applied to be deployed with DHCP service and
In the SDN control equipment of TFTP service, this method comprises:
When SDN control equipment receives the dhcp address request message of network equipment transmission, according to the dhcp address
The MAC Address carried in request message inquires the address information of the network planning, and is fed back to by DHCP response message described
Network forwarding equipment；Wherein, the address information of the network planning includes: TFTP service IP address and management IP address；
Receive the carrying management IP address that network forwarding equipment is sent according to the TFTP service IP address
When TFTP service request, corresponding initialization deployment information is inquired according to the management IP address；And by the initialization section
It affixes one's name to information and network forwarding equipment is handed down to by the data message of TFTP format, make network forwarding equipment according to the initialization section
Administration's information is initialized；
Wherein, the network forwarding equipment is deployed with DHCP service and TFTP service；The MAC Address sets for forwarded
Standby MAC Address.
A kind of software definition data center scene lower network forwarding device disposes device, applied to be deployed with DHCP service and
In the SDN control equipment of TFTP service, which includes: DHCP service module, TFTP service module and mapping relations storage mould
Block；
The DHCP service module, when for receiving the dhcp address request message of network equipment transmission, according to described
The MAC Address carried in dhcp address request message inquires the address information of the network planning to the mapping relations memory module,
And the network forwarding equipment is fed back to by DHCP response message；Wherein, the address information of the network planning includes: TFTP
Service IP address and management IP address；
The TFTP service module is taken for receiving network forwarding equipment according to what the TFTP service IP address was sent
When TFTP service request with the management IP address, inquired according to the management IP address to the mapping relations memory module
Corresponding initialization deployment information；And the initialization deployment information is handed down to network by the data message of TFTP format and is turned
Equipment is sent out, initializes network forwarding equipment according to the initialization deployment information；
The mapping relations memory module, the mapping relations of the address information for storing MAC Address and the network planning, with
And the mapping relations of management IP address and initialization deployment information；Wherein, the network forwarding equipment be deployed with DHCP service and
TFTP service；The MAC Address is the MAC Address of network forwarding equipment.
A kind of software definition data center scene lower network forwarding device disposes device, applied to be deployed with DHCP service and
On the network forwarding equipment of TFTP service, which includes: that the device includes: DHCP service module and TFTP service module；
The DHCP service module, for the MAC Address to SDN control equipment transmission carrying place network forwarding equipment
Dhcp address request message；Receive the DHCP response message of SDN control equipment feedback；
The TFTP service module, for when the DHCP service module receives DHCP response message, according to service
IP address, Xiang Suoshu SDN control equipment and send the TFTP service request for carrying management IP address；Wherein, in the DHCP message
Carry the address information including TFTP service IP address and the management IP address network planning；The SDN control equipment is received to send
TFTP format data message；
The initialization unit, when for receiving the data message of the TFTP format when the TFTP service module,
It is initialized according to the initialization deployment information carried in the message.
A kind of software definition data center scene lower network forwarding device deployment system, the system comprises: forwarded
Equipment and SDN control equipment；Wherein, the network forwarding equipment and SDN control equipment are deployed with DHCP service and TFTP clothes
Business；
The network forwarding equipment sends dhcp address request message to SDN control equipment；Receive the SDN control
When the DHCP response message that equipment is sent, set according to the TFTP service IP address in the DHCP response message to SDN control
Preparation send the TFTP service request for carrying the management IP address；The TFTP that the SDN control equipment is sent is received to format
Data message when, according to the message carry initialization deployment information initialized；
The SDN controls equipment, when receiving the dhcp address request message of network equipment transmission, according to the DHCP
The MAC Address carried in Address requests message inquires the address information of the network planning, and is fed back to by DHCP response message
The network forwarding equipment；Wherein, the address information of the network planning includes: TFTP service IP address and management IP address；
When receiving network forwarding equipment transmission TFTP service request, inquired according to the management IP address carried in the request corresponding
Initialize deployment information；And the initialization deployment information is handed down to forwarded by the data message of TFTP format and is set
It is standby；Wherein, the MAC Address is the MAC Address of network forwarding equipment.
As can be seen from the above technical solution, SDN is introduced in the application and control equipment, control equipment and forwarded in SDN
Upper side affixes one's name to TFTP service and HTTP service, unified, batch on-premise network forwarding device.The program realize zero contact deployment and
Initial configuration can save human cost, and the purpose of automation O&M is realized under the premise of improving the accuracy of deployment.
Detailed description of the invention
Fig. 1 is software definition data center scene lower network forwarding device deployment system schematic diagram in the embodiment of the present application；
Fig. 2 is that software definition data center scene lower network forwarding device disposes flow diagram in the embodiment of the present application；
Fig. 3 is to be applied to the software definition data center scene lower network that SDN is controlled in equipment in the embodiment of the present application to turn
Send out deployed with devices device；
Fig. 4 is that the software definition data center scene lower network being applied on network forwarding equipment in the embodiment of the present application turns
Send out deployed with devices device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and examples,
Technical solution of the present invention is described in detail.
It is software definition data center scene lower network forwarding device deployment system in the embodiment of the present application referring to Fig. 1, Fig. 1
Schematic diagram.
The system includes: SDN control equipment and network forwarding equipment；
SDN control equipment and network forwarding equipment are deployed with dynamic host configuration protocol (Dynamic Host
Configuration Protocol, DHCP) it services and Simple File Transfer Protocol (Trivial File Transfer
Protocol, TFTP) service.
The number of network forwarding equipment is arranged according to actual needs, in Fig. 1 by taking N number of network forwarding equipment as an example, the application
Deployment way in embodiment for each network forwarding equipment is identical, can dispose simultaneously to N number of network forwarding equipment.
SDN controls equipment, for being pre-configured with the media access control address (MAC) and the network planning of network forwarding equipment
Address information mapping relations；The mapping relations of management IP address and initialization deployment information；Wherein, each forwarded is set
The corresponding management IP address of standby MAC Address is all different.
The storage mode of the mapping relations of configuration is not limited, and such as can be text mode, or forms mode
Deng.
No matter which kind of storage mode, the mapping relations of storage all have read-only function, i.e., can only read write.
Wherein, the address information of the network planning includes: TFTP service IP address and management Internet Protocol (IP)
Location.
By taking the deployment process of the network forwarding equipment 1 in Fig. 1 as an example:
The first step, network forwarding equipment 1 send dhcp address request message to SDN control equipment.
Second step, SDN control equipment, when receiving the dhcp address request message of the transmission of network forwarding equipment 1, according to institute
The address information that the MAC Address carried in dhcp address request message inquires the network planning is stated, and passes through DHCP response message
Feed back to the network forwarding equipment.
Wherein, the MAC Address is the MAC Address of network forwarding equipment.
Third step, network forwarding equipment 1, when receiving the DHCP response message that SDN control equipment is sent, according to the DHCP
TFTP service IP address in response message is asked to the TFTP service that SDN control equipment sends the carrying management IP address
It asks.
4th step, SDN control equipment, when receiving the TFTP service request of the transmission of network forwarding equipment 1, according to the request
The management IP address of middle carrying inquires corresponding initialization deployment information；And the initialization deployment information is passed through into TFTP lattice
The data message of formula is handed down to network forwarding equipment.
Initialization deployment information is carried in the data message that TFTP is formatted.
5th step, SDN control equipment, when receiving the data message that the TFTP that SDN control equipment is sent is formatted, according to
The initialization deployment information that the message carries is initialized.
This is arrived, the deployment of each network forwarding equipment in system is completed.
The verifying method whether initialization deployment is completed also is provided in the embodiment of the present application, specific as follows:
SDN controls equipment, establishes control channel with network forwarding equipment；Such as by way of three-way handshake；
When control channel, which is established, to be completed, determine that network forwarding equipment deployment is completed.
A kind of software definition data center scene lower network is also provided based on same inventive concept, in the embodiment of the present application
Forwarding device dispositions method controls in equipment applied to the SDN for being deployed with DHCP service and TFTP service.Referring to fig. 2, Fig. 2 is
Software definition data center scene lower network forwarding device disposes flow diagram in the embodiment of the present application.Specific steps are as follows:
Step 201, when SDN control equipment receives the dhcp address request message of network equipment transmission, according to described
The MAC Address carried in dhcp address request message inquires the address information of the network planning, and anti-by DHCP response message
It feeds the network forwarding equipment.
Wherein, the address information of the network planning includes: TFTP service IP address and management IP address；The MAC
Location is the MAC Address of network forwarding equipment.
Step 201, SDN control equipment receives network forwarding equipment and is taken according to what the TFTP service IP address was sent
When TFTP service request with the management IP address, corresponding initialization deployment letter is inquired according to the management IP address
Breath；And the initialization deployment information is handed down to network forwarding equipment by the data message of TFTP format, make forwarded
Equipment is initialized according to the initialization deployment information.
Wherein, the network forwarding equipment is deployed with DHCP service and TFTP service.
It by way of establishing control channel, determines whether each network forwarding equipment disposes completion, is implemented as follows:
SDN control equipment and each network forwarding equipment establish control channel；
When the control channel of SDN control equipment and any network forwarding equipment, which is established, to be completed, the forwarded is determined
Deployed with devices is completed.
A kind of software definition data center scene lower network is also provided based on same inventive concept, in the embodiment of the present application
Forwarding device disposes device, controls in equipment applied to the SDN for being deployed with DHCP service and TFTP service.It is referring to Fig. 3, Fig. 3
The software definition data center scene lower network forwarding device being applied in SDN control equipment in the embodiment of the present application disposes dress
It sets.The device includes: DHCP service module 301, TFTP service module 302 and mapping relations memory module 303；
DHCP service module 301, when for receiving the dhcp address request message of network equipment transmission, according to described
The MAC Address carried in dhcp address request message inquires the address information of the network planning to mapping relations memory module 303, and
The network forwarding equipment is fed back to by DHCP response message；Wherein, the address information of the network planning includes: TFTP clothes
IP address of being engaged in and management IP address；
TFTP service module 302 is taken for receiving network forwarding equipment according to what the TFTP service IP address was sent
When TFTP service request with the management IP address, inquired according to the management IP address to mapping relations memory module 303
Corresponding initialization deployment information；And the initialization deployment information is handed down to network by the data message of TFTP format and is turned
Equipment is sent out, initializes network forwarding equipment according to the initialization deployment information；
Mapping relations memory module 303, the mapping relations of the address information for storing MAC Address and the network planning, with
And the mapping relations of management IP address and initialization deployment information；Wherein, the network forwarding equipment be deployed with DHCP service and
TFTP service；The MAC Address is the MAC Address of network forwarding equipment.
Preferably,
The corresponding management IP address of each MAC Address is all different.
Preferably, described device further comprises: control channel establishes unit 304；
Control channel establishes unit 304, for establishing control channel with network forwarding equipment；It establishes and completes when control channel
When, determine that the network forwarding equipment deployment is completed.
A kind of software definition data center scene lower network is also provided based on same inventive concept, in the embodiment of the present application
Forwarding device dispose device, applied to be deployed with DHCP service and TFTP service network forwarding equipment on.Referring to fig. 4, Fig. 4 is
The software definition data center scene lower network forwarding device being applied on network forwarding equipment in the embodiment of the present application disposes dress
It sets.The device includes: DHCP service module 401, TFTP service module 402 and initialization unit 403；
DHCP service module 401, for the MAC Address to SDN control equipment transmission carrying place network forwarding equipment
Dhcp address request message；Receive the DHCP response message of SDN control equipment feedback；
TFTP service module 402, for when DHCP service module 401 receives DHCP response message, according to service IP
Address, Xiang Suoshu SDN control equipment and send the TFTP service request for carrying management IP address；Wherein, it is taken in the DHCP message
Band includes the address information of TFTP service IP address and the management IP address network planning；Receive what the SDN control equipment was sent
The data message of TFTP format；
Initialization unit 403, when for receiving the data message of the TFTP format when TFTP service module 402, root
It is initialized according to the initialization deployment information carried in the message.
The unit of above-described embodiment can integrate in one, can also be deployed separately；It can be merged into a unit, it can also
To be further split into multiple subelements.
In conclusion the application controls equipment by introducing SDN, controls in SDN and disposed in equipment and network forwarding equipment
TFTP service and HTTP service, unified, batch on-premise network forwarding device.The program realizes that zero contact deployment and initialization are matched
It sets, human cost can be saved, the purpose of automation O&M is realized under the premise of improving the accuracy of deployment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of software definition data center scene lower network forwarding device dispositions method, which is characterized in that applied to being deployed with
The software defined network SDN of dynamic host configuration protocol DHCP service and Simple File Transfer Protocol TFTP service controls equipment
On, this method comprises:
When SDN control equipment receives the dhcp address request message of network equipment transmission, according to the dhcp address request
The MAC address carried in message inquires the address information of the network planning, and anti-by DHCP response message
It feeds the network forwarding equipment；Wherein, the address information of the network planning includes: TFTP service Internet Protocol IP address
And management IP address；
The TFTP for receiving the carrying management IP address that network forwarding equipment is sent according to the TFTP service IP address takes
When business request, corresponding initialization deployment information is inquired according to the management IP address；And by the initialization deployment information
It is handed down to network forwarding equipment by the data message of TFTP format, makes network forwarding equipment according to the initialization deployment information
It is initialized；
Wherein, the network forwarding equipment is deployed with DHCP service and TFTP service；The MAC Address is network forwarding equipment
MAC Address.
2. the method according to claim 1, wherein the method further includes:
SDN control equipment is pre-configured with the mapping relations of the MAC Address of network forwarding equipment and the address information of the network planning；
The mapping relations of management IP address and initialization deployment information；
Wherein, the corresponding management IP address of the MAC Address of each network forwarding equipment is all different.
3. the method according to claim 1, wherein the method further includes:
Control channel is established with network forwarding equipment；
When control channel, which is established, to be completed, determine that the network forwarding equipment deployment is completed.
4. a kind of software definition data center scene lower network forwarding device disposes device, which is characterized in that applied to being deployed with
The software defined network SDN of dynamic host configuration protocol DHCP service and Simple File Transfer Protocol TFTP service controls equipment
On, which includes: DHCP service module, TFTP service module and mapping relations memory module；
The DHCP service module, when for receiving the dhcp address request message of network equipment transmission, according to the DHCP
The MAC address carried in Address requests message inquires the ground of the network planning to the mapping relations memory module
Location information, and the network forwarding equipment is fed back to by DHCP response message；Wherein, the address information packet of the network planning
It includes: TFTP service Internet Protocol IP address and management IP address；
The TFTP service module, the carrying institute sent for receiving network forwarding equipment according to the TFTP service IP address
When stating the TFTP service request of management IP address, is inquired and corresponded to the mapping relations memory module according to the management IP address
Initialization deployment information；And the initialization deployment information is handed down to forwarded by the data message of TFTP format and is set
It is standby, initialize network forwarding equipment according to the initialization deployment information；
The mapping relations memory module, the mapping relations of the address information for storing MAC Address and the network planning, Yi Jiguan
It manages IP address and initializes the mapping relations of deployment information；Wherein, the network forwarding equipment is deployed with DHCP service and TFTP
Service；The MAC Address is the MAC Address of network forwarding equipment.
5. device according to claim 4, which is characterized in that
The corresponding management IP address of each MAC Address is all different.
6. device according to claim 4 or 5, which is characterized in that described device further comprises: control channel is established single
Member；
The control channel establishes unit, for establishing control channel with network forwarding equipment；When control channel, which is established, to be completed,
Determine that the network forwarding equipment deployment is completed.
7. a kind of software definition data center scene lower network forwarding device disposes device, which is characterized in that applied to being deployed with
On the network forwarding equipment of dynamic host configuration protocol DHCP service and Simple File Transfer Protocol TFTP service, the device packet
Include: the device includes: DHCP service module and TFTP service module；
The DHCP service module carries place network forwarding equipment for sending to software defined network SDN control equipment
The dhcp address request message of MAC Address；Receive the DHCP response message of SDN control equipment feedback；
The TFTP service module, for being serviced according to TFTP when the DHCP service module receives DHCP response message
Internet protocol IP address, Xiang Suoshu SDN control equipment and send the TFTP service request for carrying management IP address；Wherein, described
The address information including TFTP service IP address and the management IP address network planning is carried in DHCP message；Receive the SDN control
The data message for the TFTP format that control equipment is sent；
The initialization unit, when for receiving the data message of the TFTP format when the TFTP service module, according to
The initialization deployment information carried in the message is initialized.
8. a kind of software definition data center scene lower network forwarding device deployment system, which is characterized in that the system comprises:
Network forwarding equipment and software defined network SDN control equipment；Wherein, the network forwarding equipment and SDN control the equal portion of equipment
There are dynamic host configuration protocol DHCP service and Simple File Transfer Protocol TFTP service in administration；
The network forwarding equipment sends dhcp address request message to SDN control equipment；Receive the SDN control equipment
When the DHCP response message of transmission, according to the TFTP service Internet Protocol IP address in the DHCP response message to the SDN
It controls equipment and sends the TFTP service request for carrying the management IP address；Receive the TFTP that the SDN control equipment is sent
When the data message of formatting, initialized according to the initialization deployment information that the message carries；
The SDN controls equipment, when receiving the dhcp address request message of network equipment transmission, according to the dhcp address
The MAC address carried in request message inquires the address information of the network planning, and passes through DHCP response report
Text feeds back to the network forwarding equipment；Wherein, the address information of the network planning includes: TFTP service IP address and management
IP address；When receiving network forwarding equipment transmission TFTP service request, inquired according to the management IP address carried in the request
To corresponding initialization deployment information；And the initialization deployment information is handed down to network by the data message of TFTP format
Forwarding device；Wherein, the MAC Address is the MAC Address of network forwarding equipment.
9. system according to claim 8, which is characterized in that
The SDN controls equipment, for being pre-configured with reflecting for the MAC Address of network forwarding equipment and the address information of the network planning
Penetrate relationship；The mapping relations of management IP address and initialization deployment information；Wherein, the MAC Address pair of each network forwarding equipment
The management IP address answered is all different.
10. system according to claim 8 or claim 9, which is characterized in that
The SDN controls equipment, is further used for establishing control channel with the network forwarding equipment；When control channel has been established
Cheng Shi determines that the network forwarding equipment deployment is completed.
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