CN112583641A - Control method of data center heterogeneous network system - Google Patents
Control method of data center heterogeneous network system Download PDFInfo
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- CN112583641A CN112583641A CN202011448510.7A CN202011448510A CN112583641A CN 112583641 A CN112583641 A CN 112583641A CN 202011448510 A CN202011448510 A CN 202011448510A CN 112583641 A CN112583641 A CN 112583641A
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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
- H04L41/04—Network management architectures or arrangements
- H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
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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
- H04L41/12—Discovery or management of network topologies
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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
Abstract
The invention discloses a control method of a data center heterogeneous network system, which comprises a cloud computing platform, a unified controller, a manufacturer SDN controller and manufacturer network equipment from top to bottom in sequence; the unified controller realizes control over heterogeneous manufacturer SDN controllers, and each manufacturer SDN controller manages network equipment of each manufacturer; the method comprises the following steps: (1) the unified controller configures manufacturer brands, manufacturer brand IPs and cloud computing platform node IP information of manufacturer SDN controllers; (2) the unified controller acquires the network topology and related information of the manufacturer network equipment through interaction with the manufacturer network equipment; (3) the unified controller constructs a logic conversion relation between a cloud platform message and a manufacturer SDN controller message; (4) and the cloud computing platform issues the service message to the manufacturer network equipment. The invention realizes the unified management of the controller networks of different manufacturers under the cloud computing platform and improves the expansion capability in heterogeneous network scenes.
Description
Technical Field
The present invention relates to a control method, and in particular, to a control method for a data center heterogeneous network system.
Background
In a cloud computing platform environment, the cloud computing platform is required to perform automatic network management on allocated computing and energy storage resources. Due to historical problems and network capacity expansion requirements, network devices of various manufacturers may exist in the current network environment, and a heterogeneous network formed by devices of different manufacturers needs to be managed in a unified manner in a cloud computing platform environment.
In the current cloud computing platform environment, a cloud computing platform provides network service for the cloud computing platform by interfacing with a manufacturer SDN controller, after receiving a network request of the cloud computing platform, the manufacturer SDN controller performs corresponding service arrangement in the SDN controller, models a network and issues a corresponding device command to corresponding network devices through NETCONF/SNMP.
Because external interface standards of network devices of different manufacturers are not unified, and the SDN controllers of the manufacturers only support management of specific network devices under the respective brands, when a network under the cloud computing platform is expanded, only the network devices of the original manufacturers can be used or the network devices of the original manufacturers can be integrally replaced, and when the network management scheme of the existing cloud computing platform faces a heterogeneous network scene, the expansion capability is insufficient.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the defects in the prior art, provides a control method of a data center heterogeneous network system, and solves the problem that the network management scheme of the existing cloud computing platform is insufficient in expansion capability when facing a heterogeneous network scene.
The technical scheme is as follows: the control method of the data center heterogeneous network system comprises the steps that the system sequentially comprises a cloud computing platform, a unified controller, a manufacturer SDN controller and manufacturer network equipment from top to bottom; the unified controller realizes control over heterogeneous manufacturer SDN controllers, and each manufacturer SDN controller manages network equipment of each manufacturer; the method comprises the following steps:
(1) the unified controller configures manufacturer brands, manufacturer brand IPs and cloud computing platform node IP information of manufacturer SDN controllers;
(2) the unified controller acquires the network topology and related information of the manufacturer network equipment through interaction with the manufacturer network equipment;
(3) the unified controller constructs a logic conversion relation between a cloud platform service message and a manufacturer SDN controller service message;
(4) and the cloud computing platform issues the service message to the manufacturer network equipment.
The step (2) comprises the following steps:
(21) the unified controller sends SNMP messages and detects manufacturer network equipment;
(22) after receiving the SNMP message request, the manufacturer network equipment sends a response message to the unified controller;
(23) the unified controller analyzes the response message and obtains manufacturer network equipment information and network topology corresponding to the IP address of the response message;
(24) the unified controller stores the vendor network device IP address, vendor network device model information, and network topology information.
And (4) taking the data sequence of the manufacturer in the step (23) as the characteristic fingerprint of the manufacturer, and analyzing the characteristic fingerprint in the response message by the unified controller to obtain the manufacturer to which the IP address corresponds to the network equipment of the manufacturer.
In the step (23), the physical server sends the host name and the host MAC address to a switch connected with the physical server through an LLDP protocol, and the unified controller obtains the physical server name, the physical server MAC address and switch port information from the switch through the LLDP protocol; then, establishing a data mapping table according to the host name, the host MAC address, the physical server name, the physical server MAC address and the switch port information; the cloud computing platform acquires the MAC address of the newly-built virtual machine through the Agent of the virtual machine, and reports the MAC address of the virtual machine and the MAC address of the corresponding host to the unified controller after the virtual machine is distributed; and the unified controller forms a relation table among the virtual machine MAC, the host/host name, the port number of the switch and the manufacturer network equipment according to the acquired information.
The step (4) comprises the following steps:
(401) the cloud computing platform constructs a service message;
(402) the system checks whether the unified controller and the cloud computing platform have established a link; if yes, executing step (404), if not, executing step (403);
(403) the unified controller and the cloud computing platform read system IP information in the configuration file and establish a link;
(404) the cloud computing platform sends a service message to the unified controller;
(405) the unified controller stores the received service message;
(406) the unified controller calculates the information of the network access port corresponding to the received service message;
(407) judging whether to calculate the information of the network access port; if yes, executing step (408), if not, executing step (413);
(408) the unified controller obtains a manufacturer SDN controller type corresponding to the network access port;
(409) the unified controller performs model conversion on the service message according to the obtained manufacturer SDN controller type;
(410) the unified controller sends the converted service message to a manufacturer SDN controller;
(411) a manufacturer SDN controller processes the received service message and then issues a used configuration to manufacturer network equipment;
(412) the unified controller converts a service message processing result model of the SDN controller of a manufacturer and reports the converted service message processing result model to the cloud computing platform;
(413) and finishing the issuing of the service message.
The step (406) comprises the following steps:
(40601) Acquiring the type of a service message;
(40602) Judging whether the type of the service message is firewall service or not; if yes, executing step (40603); if not, go to step (40605);
(40603) Identifying routing traffic associated with firewall traffic;
(40604) Judging whether the firewall service has an associated routing service; if yes, executing step (40606), if no, executing step (40613);
(40605) Judging whether the type of the service message is a routing service; if yes, go to step (40606), if no, go to step (40608);
(40606) Identifying network traffic associated with the routing traffic;
(40607) Judging whether the routing service has associated network service; if yes, go to step (40609)309, if no, go to step (40613);
(40608) Judging whether the service message type is a network service; if yes, executing step (40609), if not, executing step (40611);
(406069) identifying virtual machine traffic associated with the network traffic;
(40610) Judging whether the network service has the associated virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40611) Judging whether the service message type is a virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40612) Obtaining network access port information in the virtual machine service message;
(40613) And the network access port information calculation is finished.
Has the advantages that: compared with the prior art, the cloud computing platform has the obvious advantages of realizing the unified management of the controller networks of different manufacturers under the cloud computing platform and improving the expansion capability in the heterogeneous network scene.
Drawings
FIG. 1 is a system architecture diagram of the present invention;
FIG. 2 is a business relationship diagram of the present invention;
FIG. 3 is a flow chart of the service message distribution in the present invention;
fig. 4 is a flow chart of access port calculation in the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Fig. 1 is an architecture diagram of a data center heterogeneous network system according to the present invention, which sequentially includes, from top to bottom, a cloud computing platform, a unified controller, a manufacturer SDN controller, and a manufacturer network device; the unified controller realizes control over heterogeneous manufacturer SDN controllers, and each manufacturer SDN controller manages network equipment of each manufacturer. The unified controller firstly identifies the message, judges whether the message needs to be immediately issued to the SDN controllers of manufacturers, judges which SDN controller is issued to which manufacturer and converts the message, and realizes unified management of SDN controller networks of different manufacturers under the cloud computing platform.
Fig. 2 shows the relationship between the message services in the unified controller, the firewall service depends on the routing service, the routing service includes the network service, the network service includes the virtual machine service, the virtual machine service includes the network access port information, the system can find the network access port on which the service finally depends according to the relationship between the services, and determine which manufacturer SDN controller the related service is issued through the network access port.
The control method of the data center heterogeneous network system comprises the following steps:
(1) the unified controller configures manufacturer brands, manufacturer brand IPs and cloud computing platform node IP information of manufacturer SDN controllers;
(2) the unified controller acquires the network topology and related information of the manufacturer network equipment through interaction with the manufacturer network equipment;
(3) the unified controller constructs a logic conversion relation between a cloud platform service message and a manufacturer SDN controller service message;
(4) and the cloud computing platform issues the service message to the manufacturer network equipment.
The step (2) comprises the following steps:
(21) the unified controller sends SNMP messages and detects manufacturer network equipment;
(22) after receiving the SNMP message request, the manufacturer network equipment sends a response message to the unified controller;
(23) the unified controller analyzes the response message and obtains manufacturer network equipment information and network topology corresponding to the IP address of the response message;
(24) the unified controller stores the vendor network device IP address, vendor network device model information, and network topology information.
And (4) taking the data sequence of the manufacturer in the step (23) as the characteristic fingerprint of the manufacturer, and analyzing the characteristic fingerprint in the response message by the unified controller to obtain the manufacturer to which the IP address corresponds to the network equipment of the manufacturer.
In the step (23), the physical server sends the host name and the host MAC address to a switch connected with the physical server through an LLDP protocol, and the unified controller obtains the physical server name, the physical server MAC address and switch port information from the switch through the LLDP protocol; then, establishing a data mapping table according to the host name, the host MAC address, the physical server name, the physical server MAC address and the switch port information; the cloud computing platform acquires the MAC address of the newly-built virtual machine through the Agent of the virtual machine, and reports the MAC address of the virtual machine and the MAC address of the corresponding host to the unified controller after the virtual machine is distributed; and the unified controller forms a relation table among the virtual machine MAC, the host/host name, the port number of the switch and the manufacturer network equipment according to the acquired information.
As can be seen from fig. 3, step (4) includes the following steps:
(401) the cloud computing platform constructs a service message;
(402) the system checks whether the unified controller and the cloud computing platform have established a link; if yes, executing step (404), if not, executing step (403);
(403) the unified controller and the cloud computing platform read system IP information in the configuration file and establish a link;
(404) the cloud computing platform sends a service message to the unified controller;
(405) the unified controller stores the received service message;
(406) the unified controller calculates the information of the network access port corresponding to the received service message; as can be seen from fig. 4, the method specifically includes the following steps:
(40601) Acquiring the type of a service message;
(40602) Judging whether the type of the service message is firewall service or not; if yes, executing step (40603); if not, go to step (40605);
(40603) Identifying routing traffic associated with firewall traffic;
(40604) Judging whether the firewall service has an associated routing service; if yes, executing step (40606), if no, executing step (40613);
(40605) Judging whether the type of the service message is a routing service; if yes, go to step (40606), if no, go to step (40608);
(40606) Identifying network traffic associated with the routing traffic;
(40607) Judging whether the routing service has associated network service; if yes, go to step (40609)309, if no, go to step (40613);
(40608) Judging whether the service message type is a network service; if yes, executing step (40609), if not, executing step (40611);
(406069) identifying virtual machine traffic associated with the network traffic;
(40610) Judging whether the network service has the associated virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40611) Judging whether the service message type is a virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40612) Obtaining network access port information in the virtual machine service message;
(40613) And the network access port information calculation is finished.
(407) Judging whether to calculate the information of the network access port; if yes, executing step (408), if not, executing step (413);
(408) the unified controller obtains a manufacturer SDN controller type corresponding to the network access port;
(409) the unified controller performs model conversion on the service message according to the obtained manufacturer SDN controller type;
(410) the unified controller sends the converted service message to a manufacturer SDN controller;
(411) a manufacturer SDN controller processes the received service message and then issues a used configuration to manufacturer network equipment;
(412) the unified controller converts a service message processing result model of the SDN controller of a manufacturer and reports the converted service message processing result model to the cloud computing platform;
(413) and finishing the issuing of the service message.
In summary, the present invention can be applied to network construction in scenarios such as a data center, a base station, a campus, etc., for example, in the data center, an original network needs to be upgraded or expanded, and by using the present invention, the device is purchased without being limited by the brand of the original network device in the data center, so as to upgrade and expand the network, and the purchase period and purchase cost of the device can be greatly reduced.
Claims (6)
1. A control method of a data center heterogeneous network system is characterized in that: the system sequentially comprises a cloud computing platform, a unified controller, a manufacturer SDN controller and manufacturer network equipment from top to bottom; the unified controller realizes control over heterogeneous manufacturer SDN controllers, and each manufacturer SDN controller manages network equipment of each manufacturer; the method comprises the following steps:
(1) the unified controller configures manufacturer brands, manufacturer brand IPs and cloud computing platform node IP information of manufacturer SDN controllers;
(2) the unified controller acquires the network topology and related information of the manufacturer network equipment through interaction with the manufacturer network equipment;
(3) the unified controller constructs a logic conversion relation between a cloud platform service message and a manufacturer SDN controller service message;
(4) and the cloud computing platform issues the service message to the manufacturer network equipment.
2. The method for controlling the data center heterogeneous network system according to claim 1, wherein: the step (2) comprises the following steps:
(21) the unified controller sends SNMP messages and detects manufacturer network equipment;
(22) after receiving the SNMP message request, the manufacturer network equipment sends a response message to the unified controller;
(23) the unified controller analyzes the response message and obtains manufacturer network equipment information and network topology corresponding to the IP address of the response message;
(24) the unified controller stores the vendor network device IP address, vendor network device model information, and network topology information.
3. The method for controlling the data center heterogeneous network according to claim 2, wherein: and (4) taking the data sequence of the manufacturer in the step (23) as the characteristic fingerprint of the manufacturer, and analyzing the characteristic fingerprint in the response message by the unified controller to obtain the manufacturer to which the IP address corresponds to the network equipment of the manufacturer.
4. The method for controlling the data center heterogeneous network system according to claim 2, wherein: in the step (23), the physical server sends the host name and the host MAC address to a switch connected with the physical server through an LLDP protocol, and the unified controller obtains the physical server name, the physical server MAC address and switch port information from the switch through the LLDP protocol; then, establishing a data mapping table according to the host name, the host MAC address, the physical server name, the physical server MAC address and the switch port information; the cloud computing platform acquires the MAC address of the newly-built virtual machine through the Agent of the virtual machine, and reports the MAC address of the virtual machine and the MAC address of the corresponding host to the unified controller after the virtual machine is distributed; and the unified controller forms a relation table among the virtual machine MAC, the host/host name, the port number of the switch and the manufacturer network equipment according to the acquired information.
5. The method for controlling the data center heterogeneous network system according to claim 1, wherein: the step (4) comprises the following steps:
(401) the cloud computing platform constructs a service message;
(402) the system checks whether the unified controller and the cloud computing platform have established a link; if yes, executing step (404), if not, executing step (403);
(403) the unified controller and the cloud computing platform read system IP information in the configuration file and establish a link;
(404) the cloud computing platform sends a service message to the unified controller;
(405) the unified controller stores the received service message;
(406) the unified controller calculates the information of the network access port corresponding to the received service message;
(407) judging whether to calculate the information of the network access port; if yes, executing step (408), if not, executing step (413);
(408) the unified controller obtains a manufacturer SDN controller type corresponding to the network access port;
(409) the unified controller performs model conversion on the service message according to the obtained manufacturer SDN controller type;
(410) the unified controller sends the converted service message to a manufacturer SDN controller;
(411) a manufacturer SDN controller processes the received service message and then issues a used configuration to manufacturer network equipment;
(412) the unified controller converts a service message processing result model of the SDN controller of a manufacturer and reports the converted service message processing result model to the cloud computing platform;
(413) and finishing the issuing of the service message.
6. The method for controlling the data center heterogeneous network system according to claim 5, wherein: the step (406) comprises the following steps:
(40601) Acquiring the type of a service message;
(40602) Judging whether the type of the service message is firewall service or not; if yes, executing step (40603); if not, go to step (40605);
(40603) Identifying routing traffic associated with firewall traffic;
(40604) Judging whether the firewall service has an associated routing service; if yes, executing step (40606), if no, executing step (40613);
(40605) Judging whether the type of the service message is a routing service; if yes, go to step (40606), if no, go to step (40608);
(40606) Identifying network traffic associated with the routing traffic;
(40607) Judging whether the routing service has associated network service; if yes, go to step (40609)309, if no, go to step (40613);
(40608) Judging whether the service message type is a network service; if yes, executing step (40609), if not, executing step (40611);
(406069) identifying virtual machine traffic associated with the network traffic;
(40610) Judging whether the network service has the associated virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40611) Judging whether the service message type is a virtual machine service; if yes, executing step (40612), if no, executing step (40613);
(40612) Obtaining network access port information in the virtual machine service message;
(40613) And the network access port information calculation is finished.
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| CN109756413A (en) * | 2019-03-05 | 2019-05-14 | 山东浪潮云信息技术有限公司 | A kind of cloud data center heterogeneous network internetworking system and method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150172408A1 (en) * | 2012-07-27 | 2015-06-18 | Zte Corporation | Unified service platform for ubiquitous network and service implementation method |
| CN103475722A (en) * | 2013-09-13 | 2013-12-25 | 中国联合网络通信集团有限公司 | Implement system for business collaboration platform |
| CN109379217A (en) * | 2018-09-27 | 2019-02-22 | 中国联合网络通信有限公司广东省分公司 | A kind of different producer's arranging service device of Metropolitan Area Network (MAN) |
| CN109756413A (en) * | 2019-03-05 | 2019-05-14 | 山东浪潮云信息技术有限公司 | A kind of cloud data center heterogeneous network internetworking system and method |
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