Virtual network connection method and virtual network system
A technology of virtual network and connection method, applied in the direction of network interconnection, transmission system, digital transmission system, etc., can solve the problems of difficult to realize automatic deployment of software virtual network and difficult deployment.
Active Publication Date: 2021-05-28
FENGHUO COMM SCI & TECH CO LTD
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- Application Information
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Problems solved by technology
When the application software is distributed in multiple independent Network Address Translation (Network Address Translation, NAT) subnets, users need to configure port mapping to open service ports to establish a software virtual network, so it is difficult to realize automatic deployment of software virtual networks
In addition, most software virtual networks use virtual network cards, which require root (root) permissions and operating system support. When there are different types and versions of operating systems in the network, deployment is difficult
Method used
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[0057] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0058] An embodiment of the present invention provides a virtual network system. The virtual network system includes at least one global coordinator and a forwarder in a host connected to the Internet. The forwarder is configured to register with a reachable global coordinator and maintain a persistent connection.
[0059] The forwarder is used to establish a penetration connection with other forwarders under the coordination of the global coordinator; it is also used to provide proxy forwarding services for the application client of the local machine, and to connect with the application service of the local machine. A virtual network connection is established between the application services of the host.
[0060] Specifically, the global coordinator is located at a location accessible to all NAT subnets, and the global coordinator ac...
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The invention discloses a virtual network connection method and a virtual network system, and relates to the technical field of networks. The virtual network connection method comprises the steps: configuring at least one global coordinator, configuring a transponder in a host connected with the Internet, and enabling the transponder to register to the reachable global coordinator and keep long connection; under the coordination of the global coordinator, enabling the transponders to establish penetration connection; enabling the transponder at one end of the through connection to provide a proxy forwarding service for the application client of the local machine, enabling the transponder at the other end of the through connection to be connected with the application service of the local machine, and establishing the virtual network connection between the application client and the cross-host application service. The invention provides a virtual network connection that automatically traverses NAT and firewalls.
Description
technical field [0001] The invention relates to the field of network technology, in particular to a virtual network connection method and a virtual network system. Background technique [0002] Software virtual network is widely used in distributed network environment. With the continuous expansion of network scale, the complexity of network environment is increasing day by day. When application software is distributed in multiple independent Network Address Translation (NAT) subnets, users need to configure port mapping to open service ports to establish a software virtual network, so it is difficult to realize automatic deployment of software virtual networks. In addition, most software virtual networks use virtual network cards, which require root authority and operating system support. When there are different types and versions of operating systems in the network, deployment is difficult. Contents of the invention [0003] Aiming at the defects in the prior art, the ...
Claims
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IPC IPC(8): H04L12/46H04L29/06H04L29/08H04L29/12
CPCH04L12/4641H04L61/256H04L63/029H04L63/12H04L67/56
Inventor 张勇
Owner FENGHUO COMM SCI & TECH CO LTD