Method, system and trunk equipment for assigning multiple server addresses
A relay device and multi-server technology, applied in the field of communications, can solve the problems of reduced network system performance and prolonged allocation time.
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Embodiment 1
[0051] Embodiment one:
[0052] The multi-server address matching method provided by Embodiment 1 of the present invention, its flow is as follows image 3 As shown, the execution steps are as follows:
[0053] Step S11: the client sends a discovery message to the relay device.
[0054] The client can send a discovery message to the relay device by broadcasting.
[0055] Taking the DHCP client as an example, the DHCP client broadcasts a DHCP Discover broadcast packet to find a DHCP server.
[0056] The discovery message sent by the client may include the network address that the client expects to obtain, such as the IP address used last time; it may also not include the network address and be randomly assigned by the server.
[0057] Taking the data message using the DHCP protocol as an example, the format of the DHCP message (including discovery message, discovery response message, request message, request response message, etc.) is shown in Table 1 below. The number in ...
Embodiment 2
[0084] The multi-server address matching method provided by Embodiment 2 of the present invention, its flow is as follows Figure 4 As shown, the execution steps are as follows:
[0085] Step S31: the client sends a discovery message to the relay device.
[0086] The details are the same as step S11, which will not be repeated here.
[0087] Taking the DHCP client as an example, the DHCP client broadcasts a discovery packet. In order to request an IP address from the DHCP server through the relay device.
[0088] Step S32: When the relay device receives the discovery message, it judges whether the address selection field in the received discovery message carries a pre-selected network address.
[0089] If yes, execute step S34, and if no, execute step S33.
[0090]Because the discovery message sent by the client may contain a pre-selected network address that is expected to be obtained by the user. Therefore, before the relay device sends a discovery message to the server...
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