Downlink flow control method and system of LNS (L2TP network server) device in 3G (third-generation) network
A flow control, 3G network technology, applied in the field of network communication, can solve the problems of reasonable allocation of bandwidth, unfair users, etc., to achieve the effect of effective allocation
Active Publication Date: 2015-05-20
MAIPU COMM TECH CO LTD
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This method only controls user access, and does not allocate bandwidth reasonably according to the actual situation of each line, which is not fair to users
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[0042] Step 103, when the LNS device receives the message to be sent to the 3G access device, according to the recorded sending priority corresponding to the 3G access device, enqueue the message to the QOS queue corresponding to the sending priority for to send. The specific implementation of this step is as follows:
[0043] 1031. After the LNS device receives the message to be sent to the 3G access device, it sets the priority of the QOS queue corresponding to the message according to the transmission priority corresponding to the 3G access device, and according to the set priority of the QOS queue Enqueue the packet to the corresponding QOS queue. In this step, after the LNS device receives the message to be sent to the 3G access device, it first searches the routing table according to the destination IP address carried by the message to obtain the virtual access interface VA number corresponding to the destination 3G access device, and uses The VA slogan can query the r...
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The invention relates to a routing switching control technology in the field of network communication, and discloses a downlink flow control method and a system of an LNS (L2TP network server) device in a 3G (third-generation) network. The download flow of a LNS terminal is reasonably and effectively distributed under the condition of not controlling the access quantity of the terminal. The method comprises the following steps: A, a 3G access device transmits a PPP (point-to-point protocol) Keepalive message to the LNS device of a dual-layer tunnel protocol network server at regular time; the PPP Keepalive message carries with a signal value of a 3G access interface of the 3G access device and network service type information; B, the LNS device calculates and stores a transmission priority corresponding to the 3G access device according to the signal value of the 3G access interface of the 3G access device and the network service type information in the message after receiving the PPP Keepalive message of the 3G access device; C, the LNS device queues the message into a QOS (quality of service) queue corresponding to the transmission priority to be transmitted according to the recorded transmission priority corresponding to the 3G access device when receiving the message to be transmitted to the 3G access device. The method is suitable for the control of the downlink flow of the LNS terminal in the 3G network.
Description
technical field [0001] The invention relates to network communication technology in the field of network communication, in particular to a downlink flow control method of a network server device in the application of a virtual private dial-up network of a 3G network. Background technique [0002] Virtual private dial-up network (Virtual Private Dial-up Network, VPDN) provides connection for those remote users who expect a dedicated line access to the corporate network through the Internet Service Provider (ISP). With the wide application of 3G communication technology, a large number of L2TP (Layer 2Tunneling Protocol, Layer 2 Tunneling Protocol) application requirements appear in 3G private networks. L2TP protocol is a kind of VPDN technology. When 3G access equipment dials into ISP, L2TP The access concentrator (LAC) establishes an L2TP tunnel with the network server (LNS) on the user network side, and the connection between the 3G access device and the LNS device is maint...
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IPC IPC(8): H04L12/865H04W28/10H04L47/6275
Inventor 林小洁汤宇浩朱桂山陈箭飞
Owner MAIPU COMM TECH CO LTD