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Method for selecting service node according to load status

A service node and load status technology, applied in the direction of selection device, radio/inductive link selection arrangement, network flow/resource management, etc., can solve problems such as overload, load increase, and load balance, and achieve reasonable transmission and measurement simple effect

Inactive Publication Date: 2006-12-20
HUAWEI TECH CO LTD
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Problems solved by technology

In this way, when LCDN selects service nodes for user terminals in the node resource pool, it simply selects the node with the lowest current load. However, if a large number of user terminals access the network in a short period of time, only the node with the lowest current load As the service node of the user terminal, the load of the corresponding node increases sharply, or even overloaded; and simply selecting the node with the lowest load cannot make the load of each node in the node resource pool tend to balance.

Method used

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  • Method for selecting service node according to load status
  • Method for selecting service node according to load status
  • Method for selecting service node according to load status

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Embodiment Construction

[0051] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0052] In the present invention, the load of each node in the node resource pool is evenly divided into more than one load level, and the current load status of each node corresponds to one load level. The LCDN determines the selection probability of each node in the node resource pool according to the obtained load level of each node in the node resource pool, and selects a service node for the user terminal according to the selection probability.

[0053] The existing factors for determining the load include one or more of the following: the occupancy rate of a central processing unit (CPU, Central Processing Unit), including the number of activated user terminals and online user terminals, signaling and service traffic , the occupation of memory resources, e...

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Abstract

The invention relates to a method for selecting the service node according to the load condition, which uniformly divides the load of each node into at least one load levels, while the present load condition of each node is relative to one load level, wherein the LCDN obtains the load level of each node, based on which, to confirm the select probability of each node; then based on the probability, selecting the service node for the user terminal; therefore, the node with low load is relative to the higher select probability, to make the load of them uniform; in addition, the invention uses the load level as the index for balancing the node load, to make the balance process more easily. And the invention detail describes the transmission process of load information, to make the LCDN obtain the present load condition of node on time.

Description

technical field [0001] The invention relates to load balancing technology, in particular to a method for selecting service nodes according to load conditions. Background technique [0002] In the field of communications, when there are multiple nodes of the same type that can provide services for user terminals, it is necessary to select one of them as the service node for the user terminal, such as figure 1 As shown, Node B 1 , Node B 2 ...Node B n They are nodes of the same type, that is, nodes capable of realizing the same function, and n node Bs form a node resource pool, and user terminals establish service connections with node Bs to obtain corresponding services. The network side may further include node A, so that the user terminal can establish a service connection with node B through node A to obtain corresponding services. Any node B in the node resource pool can provide a service for a certain user terminal, but only one node B can provide corresponding servi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W28/08
CPCH04L67/1008H04W28/08H04L67/1002H04L67/1001H04W28/088
Inventor 周四红
Owner HUAWEI TECH CO LTD
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