VXLAN message encapsulation and strategy execution method, equipment and system
A packet and policy technology, applied in the communication field, can solve the problems of heavy burden and many packets analyzed by network devices.
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example 1
[0053] Example 1: The router 108 detects a video stream, adds application identifier 1 to the VXLAN packet encapsulating the video stream, and reserves a bandwidth of 10 megabits per second (Mbps). All VXLAN devices that receive VXLAN packets with application ID 1 reserve 10 Mbps of bandwidth for these VXLAN packets.
example 2
[0054] Example 2: Smartphone 101 generates a voice stream, and adds application identifier 2 to the VXLAN packet encapsulating the voice stream. All VXLAN devices that receive VXLAN packets with application ID 2 select low-latency paths for forwarding these VXLAN packets.
[0055] Example 3: The VMM of the server 106 detects the video conferencing application data flow from VM1. Since VM1 is a virtual machine of a VIP tenant, the VMM adds the group identifier V1 and the application identifier 3 to the VXLAN packet encapsulating the data flow. The packet reserves 1Gbps of bandwidth and provides the highest forwarding priority. All VXLAN devices that receive group identifier V1 and application identifier 3 reserve 1 Gbps of bandwidth for these VXLAN packets and provide the highest forwarding priority, and select a low-latency path for forwarding these VXLAN packets. The VMM of the server 106 detects the webpage access data flow from VM1 at the same time, and the VMM adds group ...
example 4
[0056] Example 4: The VMM of the rack server 104 detects an FTP request from the access server 106 of the VM2. The VMM adds group identifier 2 and application identifier 5 to the VXLAN packet encapsulating the FTP request, and forwards the VXLAN packet. Router 111 is the destination VTEP of the VXLAN message. The router 111 reads the group ID 2 and the application ID 5 , and determines that the destination of the inner Ethernet frame is the server 106 . Router 111 determines according to the policy configuration that the inner layer Ethernet frame in the VXLAN message with group ID 2 and application ID 5 cannot access server 106 (that is, the VM belonging to the group identified by group ID 2 does not have the right to access the FTP application of server 106 ), then the router 111 discards the inner layer Ethernet frame. The VMM of rack server 104 in turn detects a hypertext transfer protocol (HTTP) request from access server 106 of VM3. VM3 and VM2 belong to the same grou...
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