A method for dynamic and transparent switching of virtual machine inter-domain communication modes
A technology of inter-domain communication and communication mode, which is applied in the field of dynamic and transparent switching of inter-domain communication modes of virtual machines, which can solve problems such as low communication efficiency, low-level implementation, and user transparency
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[0078] figure 1It is a schematic diagram of the principle of the XenLoop network packet interception solution in the background technology. In the figure, client 1 and client 2 represent two VMs in network communication. Both of them run on VMM, and the virtual network drives the front end, XenLoop layer, network layer, transport layer, and socket layer from bottom to top. and the application layer. Among them, each XenLoop layer contains a kernel module, which is implemented based on the third-party hook software netfilter under the IP layer, and is used to intercept data packets, obtain their header information and perform corresponding analysis and processing: when the communication parties are When the symbiotic VM is used, the data is transmitted through the shared memory channel in the local communication mode, and the data buffers A and B are used for data sending / receiving; when the communication parties are not symbiotic VMs, that is, they are not located on the same...
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