CN109728988B - Inter-intranet communication method and device - Google Patents
Inter-intranet communication method and device Download PDFInfo
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Abstract
The invention discloses a cross-intranet communication method and a device, wherein the method comprises the following steps: setting a static route in an intranet server, wherein the static route comprises setting a gateway as a virtual machine of the intranet; establishing a virtual private network channel between an extranet server and a virtual machine of a corresponding intranet; the virtual machine of the first intranet receives data which need to be sent to the target server of the second intranet from the server of the first intranet, then a path which reaches the target server of the second intranet is determined, the extranet server of the first intranet sends the data to the extranet server connected with the second intranet through the path, and the extranet server of the second intranet sends the data to the target server of the second intranet through the virtual machine of the second intranet. The invention can interconnect and intercommunicate the internal networks of different regions, effectively accelerate the network and improve the data transmission rate and accuracy.
Description
Technical Field
The invention relates to the technical field of internet, in particular to an inter-intranet communication method and device.
Background
At present, cloud computing technology is strongly pursued by enterprises, various cloud server manufacturers are in endless, but the cloud server data centers of various manufacturers are distributed differently, and the data centers cannot be deployed in various regions around the world. For example, one organization network focuses on deploying data centers in a wide north area, and the other organization network focuses on deploying data centers overseas, and the two organizations cannot effectively communicate with each other. The cloud server provided by a certain manufacturer is generally purchased at home by a multinational enterprise, the cloud server provided by another manufacturer is purchased at foreign countries, data of the two cloud manufacturers cannot be communicated, and even if communication can be achieved, the special effect of multinational data transmission is not good.
Taking cloud node server data intercommunication as an example, in the prior art, an ipsec mode is generally used to establish Virtual Private Network (VPN) channels for different cloud servers, so as to implement data intercommunication. The prior art has the following defects:
(1) each cloud server can only establish one VPN channel, namely, only 1 to 1 data intercommunication can be realized, and 1 to N cannot be realized.
(2) The VPN channels of the virtual machines and the servers are established, and the transnational transmission is poor in data transmission effect due to the fact that links are long.
(3) In case of transmission link problems, data transmission may be interrupted in VPN channels of the virtual machines and the servers, and reliability is poor.
Disclosure of Invention
In order to solve the technical problem, the invention provides an inter-intranet communication method and device.
The invention provides a cross-intranet communication method, which comprises the following steps:
setting a static route in an intranet server, wherein the static route comprises setting a gateway as a virtual machine of an intranet;
establishing a virtual private network channel between an extranet server and a virtual machine of a corresponding intranet;
after receiving data which needs to be sent to a target server of a second intranet from a server of the first intranet, the virtual machine of the first intranet determines a path reaching the target server of the second intranet, the extranet server of the first intranet sends the data to the extranet server connected with the second intranet through the path, and the extranet server of the second intranet sends the data to the target server of the second intranet through the virtual machine of the second intranet.
Further, determining a path to the second intranet server includes: selecting a plurality of paths to reach a target server of a second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as a path to reach the target server of the second intranet; selecting an optimal path from the plurality of paths comprises: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameters of each external network server, round-trip delay values between adjacent external network server pairs, and whether the adjacent external network servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
Further, the method further comprises: each external network server detects the round-trip delay values of other neighbor external network servers; and when the OSPF algorithm is used for selecting a path reaching a target server of the second intranet, the outer network server detects RTT values of all neighbor outer network servers, and selects an optimal neighbor server as a next hop data transmission server according to the obtained RTT values.
Further, establishing a virtual private network channel between the extranet server and the virtual machine of the corresponding intranet includes: internet protocol security software is installed on an extranet server and a virtual machine of an intranet, and a virtual private network channel is established between the virtual machine and the extranet server through the Internet protocol security software.
Further, the method further comprises: and when the standby server detects that the extranet server is abnormal, the standby server starts the special network channel application to establish a virtual special network channel with the virtual machine of the intranet.
The invention also provides a cross-intranet communication system, which comprises an intranet and an extranet, wherein the intranet comprises an intranet server and a virtual machine; the extranet comprises an extranet server;
the intranet server is used for setting a static route and setting the gateway as a virtual machine of an intranet;
the virtual machine is used for establishing a virtual private network channel with a corresponding external network server; the intranet server is also used for determining a path reaching a target server of a second intranet after receiving data of the target server of the target intranet from the intranet server, sending the path to the extranet server and enabling the extranet server to send the data to the extranet server connected with the target intranet through the path;
the extranet server is used for establishing a virtual special network channel with a virtual machine of a corresponding intranet; and the virtual machine is also used for receiving data to be sent to the corresponding intranet and then sending the data to the virtual machine of the corresponding intranet.
Further, the extranet server comprises a path selection module; the path selection module is used for selecting a plurality of paths reaching a target server of the second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as a path reaching the target server of the second intranet; specifically, the following method is used to select an optimal path from a plurality of paths: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameters of each external network server, round-trip delay values between adjacent external network server pairs, and whether the adjacent external network servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
Furthermore, the external network server also comprises a detection module for detecting the round-trip delay values of other neighboring external network servers; and the path selection module is also used for detecting RTT values of all neighbor outer network servers by the outer network server when the OSPF algorithm is used for selecting a path reaching a target server of the second intranet, and selecting an optimal neighbor server as a next-hop data transmission server according to the obtained RTT values.
Furthermore, the extranet server also comprises a channel connection module which is used for installing Internet protocol security software and establishing a virtual private network channel with a virtual machine of a corresponding intranet by using the Internet protocol security software; the virtual machine is also used for installing Internet protocol security software, and a virtual private network channel is established between the virtual machine and a corresponding extranet server by using the Internet protocol security software.
Furthermore, the system also comprises a standby server sharing the same virtual IP with the external network server; and the standby server is used for setting a virtual private network channel application, and starting the private network channel application to establish a virtual private network channel with the virtual machine of the intranet when detecting that the extranet server is abnormal.
The invention can interconnect and intercommunicate the internal networks of different regions, effectively accelerate the network and improve the data transmission rate and accuracy.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a cross-intranet communication method in an embodiment;
FIG. 2 is a block diagram of an inter-intranet communication system in an embodiment;
FIG. 3 is a diagram illustrating a data transmission path in an embodiment;
fig. 4 is a block diagram of an extranet server in an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Fig. 1 is an intranet communication method in an embodiment, where the method includes:
step 1, setting a static route in an intranet server, wherein the static route comprises setting a gateway as a virtual machine of an intranet;
step 2, establishing a virtual private network channel between the extranet server and a virtual machine of a corresponding intranet;
and 3, after receiving data which needs to be sent to a target server of the second intranet from the server of the first intranet, the virtual machine of the first intranet determines a path reaching the target server of the second intranet, the extranet server of the first intranet sends the data to the extranet server connected with the second intranet through the path, and the extranet server of the second intranet sends the data to the target server of the second intranet through the virtual machine of the second intranet.
The intranet in the method can be a cloud network, an internal network of a mechanism and the like. The mechanism intranet comprises a plurality of intranet servers, and the intranet servers in the cloud network can serve as cloud nodes. The method can realize the intercommunication of different internal networks, one-to-many communication, many-to-one communication and many-to-many communication of the internal networks.
And 2, realizing data intercommunication between the external network server and the virtual machine by the setting in the step 2. The Linux system can be installed in the virtual machine.
In step 2, establishing a virtual private network channel between the extranet server and the virtual machine of the corresponding intranet includes: internet protocol security software is installed on an extranet server of the intranet and a virtual machine of the intranet, and a virtual special network channel is established between the virtual machine and the extranet server through the Internet protocol security software. The Keepalived function is to detect the health status of the main and standby servers, and if a problem occurs, the main and standby exchange is realized, so that the high availability of the service is guaranteed.
The method also comprises the following steps: and when the standby server detects that the extranet server is abnormal, the standby server starts the special network channel application to establish a virtual special network channel with the virtual machine of the intranet. The external network server and the standby server are both configured with keepalive software, and the standby server uses the keepalive software to detect the state of the external network server. The setting of the main/standby setting mode can ensure that a virtual network channel between the virtual machine and the external network server does not have abnormal service due to single machine failure.
OSPF may be used to select the path when selecting the path in step 3. When calculating a Cost (Cost) value of a path to a target server of the second intranet using OSPF, the Cost values of sub-paths in the path need to be accumulated. The Cost value may be used as an indicator of the link quality status. The extranet server will send all its link status to the adjacent extranet server, and the link status value will not change during the sending process. Finally, all OSPF routers in the extranet network have all the link states in the network, and the link states of all routers should be able to delineate the same network topology.
Determining the path to the second intranet server in step 3 includes: and selecting a plurality of paths to the target server of the second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as the path to the target server of the second intranet. Selecting an optimal path from the plurality of paths comprises: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameter of each extranet server (the parameter value is an integer quotient obtained by converting the bandwidth unit of the extranet server into bit/s and dividing a preset value such as 100000000 by the converted value), round-trip delay value between adjacent extranet server pairs, and whether the adjacent extranet servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
The method also comprises the following steps: each extranet server detects the round-trip delay values of other neighboring extranet servers. And when the OSPF algorithm is used for selecting a path reaching a target server of the second intranet, the outer network server detects RTT values of all neighbor outer network servers, and selects an optimal neighbor server as a next hop data transmission server according to the obtained RTT values.
FIG. 2 is a block diagram of an embodiment of an inter-intranet communication system including an intranet and an extranet, the intranet including an intranet server and a virtual machine; the extranet includes an extranet server.
The intranet server is used for setting a static route and setting the gateway as a virtual machine of an intranet;
the virtual machine is used for establishing a virtual private network channel with a corresponding external network server; the intranet server is also used for determining a path reaching a target server of a second intranet after receiving data of the target server of the target intranet from the intranet server, sending the path to the extranet server and enabling the extranet server to send the data to the extranet server connected with the target intranet through the path;
the extranet server is used for establishing a virtual special network channel with a virtual machine of a corresponding intranet; and the virtual machine is also used for receiving data to be sent to the corresponding intranet and then sending the data to the virtual machine of the corresponding intranet.
Fig. 3 is a schematic diagram illustrating a first intranet sending data to a second intranet according to an embodiment.
FIG. 4 is a schematic diagram of the architecture of an extranet server including a path selection module; the path selection module is used for selecting a plurality of paths reaching a target server of the second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as a path reaching the target server of the second intranet; specifically, the following method is used to select an optimal path from a plurality of paths: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameters of each external network server, round-trip delay values between adjacent external network server pairs, and whether the adjacent external network servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
The outer network server also comprises a detection module used for detecting the round-trip delay values of other neighbor outer network servers; and the path selection module is also used for detecting RTT values of all neighbor outer network servers by the outer network server when the OSPF algorithm is used for selecting a path reaching a target server of the second intranet, and selecting an optimal neighbor server as a next-hop data transmission server according to the obtained RTT values.
The extranet server also comprises a channel connection module used for installing Internet protocol security software, and a virtual private network channel is established by using the Internet protocol security software and a virtual machine of a corresponding intranet; the virtual machine is also used for installing internet protocol security software, and a virtual private network channel is established between the virtual machine and a corresponding extranet server by using the installed internet protocol security software.
The system also comprises a standby server sharing the same virtual IP with the external network server; the standby server is also used for setting virtual special network channel application, and when the external network server is detected to be abnormal, the special network channel application is started to establish a virtual special network channel with the virtual machine of the internal network.
The invention can interconnect and intercommunicate the internal networks of different regions, effectively accelerate the network and improve the data transmission rate and accuracy.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It will be understood by those skilled in the art that all or part of the steps of the above methods may be implemented by instructing the relevant hardware through a program, and the program may be stored in a computer readable storage medium, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the foregoing embodiments may also be implemented by using one or more integrated circuits, and accordingly, each module/unit in the foregoing embodiments may be implemented in the form of hardware, and may also be implemented in the form of a software functional module. The present invention is not limited to any specific form of combination of hardware and software.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. An inter-intranet communication method, comprising:
setting a static route in an intranet server, wherein the static route comprises setting a gateway as a virtual machine of the intranet;
establishing a virtual private network channel between an extranet server and a virtual machine of a corresponding intranet;
the virtual machine of the first intranet receives data which need to be sent to the target server of the second intranet from the server of the first intranet, then a path which reaches the target server of the second intranet is determined, the extranet server connected with the first intranet sends the data to the extranet server connected with the second intranet through the path, and the extranet server connected with the second intranet sends the data to the target server of the second intranet through the virtual machine of the second intranet.
2. The communication method of claim 1,
the determining a path to a target server of a second intranet includes: selecting a plurality of paths to the target server of the second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as a path to the target server of the second intranet;
the selecting an optimal path from the plurality of paths includes: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameters of each external network server, round-trip delay values between adjacent external network server pairs, and whether the adjacent external network servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
3. The communication method of claim 2,
the method further comprises the following steps: each external network server detects the round-trip delay values of other neighbor external network servers;
and when the OSPF algorithm is used for selecting a path reaching the target server of the second intranet, the outer network server detects RTT values of all the neighbor outer network servers, and selects an optimal neighbor server as a next hop data transmission server according to the obtained RTT values.
4. The communication method of claim 1,
the establishing of the virtual private network channel between the extranet server and the virtual machine of the corresponding intranet comprises the following steps: internet protocol security software is installed on an extranet server and a virtual machine of an intranet, and a virtual private network channel is established between the virtual machine and the extranet server through the Internet protocol security software.
5. The communication method of claim 4,
the method further comprises the following steps: and setting a standby server of the extranet server to enable the standby server and the extranet server to share the same virtual IP, wherein the standby server is provided with a virtual private network channel application, and when the standby server detects that the extranet server is abnormal, starting the private network channel application to establish a virtual private network channel with the virtual machine of the intranet.
6. An inter-intranet communication system is characterized by comprising an intranet and an extranet, wherein the intranet comprises an intranet server and a virtual machine; the extranet comprises an extranet server;
the intranet server is used for setting a static route and setting a gateway as a virtual machine of the intranet;
the virtual machine is used for establishing a virtual special network channel with a corresponding extranet server connected with an intranet; the intranet server is also used for determining a path reaching a target server of a second intranet after receiving data of the target server of the target intranet from the intranet server, sending the path to an extranet server connected with the intranet, and enabling the extranet server to send the data to the extranet server connected with the target intranet through the path;
the extranet server is used for establishing a virtual private network channel with a virtual machine of a corresponding intranet; and the virtual machine is also used for receiving data to be sent to the corresponding intranet and then sending the data to the virtual machine of the corresponding intranet.
7. The inter-intranet communication system according to claim 6,
the extranet server comprises a path selection module; the path selection module is used for selecting a plurality of paths reaching the target server of the second intranet by using an OSPF algorithm, and selecting an optimal path from the plurality of paths as the path reaching the target server of the second intranet; specifically, the following method is used to select an optimal path from a plurality of paths: calculating a cost-related parameter for each path, the cost-related parameter comprising: interface bandwidth parameters of each external network server, round-trip delay values between adjacent external network server pairs, and whether the adjacent external network servers belong to the same operator; and calculating products of the cost related parameters and the corresponding weights, obtaining the sum of the products as the cost value of the corresponding path, and taking the path with the lowest cost value as the optimal path.
8. The inter-intranet communication system according to claim 7,
the extranet server also comprises a detection module used for detecting the round-trip delay values of other neighbor extranet servers;
and the path selection module is also used for detecting RTT values of all neighbor outer network servers by the outer network server when the OSPF algorithm is used for selecting a path reaching the target server of the second inner network, and selecting an optimal neighbor server as a next-hop data transmission server according to the obtained RTT values.
9. The inter-intranet communication system according to claim 6,
the extranet server also comprises a channel connection module which is used for installing Internet protocol security software and establishing a virtual private network channel with a virtual machine of a corresponding intranet by using the Internet protocol security software;
the virtual machine is also used for installing Internet protocol security software, and a virtual private network channel is established between the installed Internet protocol security software and a corresponding extranet server.
10. The inter-intranet communication system according to claim 9,
the system also comprises a standby server sharing the same virtual IP with the external network server;
the standby server is used for setting a virtual private network channel application, and starting the private network channel application to establish a virtual private network channel with the virtual machine of the intranet when the extranet server is detected to be abnormal.
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| CN110191204A (en) * | 2019-05-30 | 2019-08-30 | 深圳市网心科技有限公司 | A kind of Intranet communication between devices method, system, device and computer storage medium |
| CN111277501B (en) * | 2020-01-19 | 2021-09-14 | 联想(北京)有限公司 | Method, equipment and system for controlling downlink data network selection |
| CN111431788B (en) * | 2020-03-26 | 2021-08-10 | 郑州信大捷安信息技术股份有限公司 | High-reliability network communication system and method |
| CN111404801B (en) * | 2020-03-27 | 2021-09-28 | 四川虹美智能科技有限公司 | Data processing method, device and system for cross-cloud manufacturer |
| CN112333054B (en) * | 2020-07-22 | 2024-04-05 | 深圳Tcl新技术有限公司 | Device communication method, device and computer readable storage medium |
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