Method and device for determining routing path of service
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A business and path technology, applied in the field of communication, to achieve the effect of small delay, improved service quality and short path
Active Publication Date: 2013-09-04
POWER DISPATCHING CONTROL CENT OF GUANGDONG POWER GRID CO LTD
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[0008] Based on this, it is necessary to provide a method and device for determining a service
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[0030] Example 1
[0031] see figure 1 As shown, it is a schematic flowchart of Embodiment 1 of the method for determining a service routing path according to the present invention, including the steps:
[0032] Step S101: Prioritize the services according to their importance;
[0033] Step S102: Select a service in sequence by priority, determine the probability of each ant selecting each edge according to the optimal pheromone concentration weight, the optimal path length influence weight, the optimal interferon concentration weight and the interferon concentration, and each ant selects each edge according to the probability. Carry out route selection, and determine the routing path of the service; update the interferon concentration on the routing path of the service according to the optimal interferon volatility coefficient and the importance of the service;
[0034] Step S103: Determine whether each service has been routed, if not, return to step S102.
[0035] In this...
Example Embodiment
[0062] Embodiment 2
[0063] see image 3 As shown, it is a schematic flowchart of Embodiment 2 of the method for determining a service routing path according to the present invention. In this embodiment, parameters required for calculating a routing path are optimized first, so that the result is more accurate. Include steps:
[0064] Step S301: Prioritize the services according to their importance;
[0065] Step S302: Determine the network level according to the preset network availability and the preset level threshold;
[0066] Step S303: Optimizing the randomly generated array group to determine the optimal array corresponding to the network level, wherein the optimal array includes the optimal pheromone concentration weight, the optimal path length influence weight, the optimal interferon concentration weight, the optimal Pheromone volatilization coefficient, optimal interferon volatilization coefficient;
[0067] Step S304: Select a business in sequence by priority,...
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Abstract
The invention discloses a method for determining a routing path of a service. The method comprises the following steps of performing priority ranking on services according to importance; sequentially selecting one service according to the priority, determining the probability for each ant to select each side according to optimal pheromone concentration weight, optimal path length influence weight, optimal interferon concentration weight and interferon concentration, selecting apath by each ante according to the corresponding probability and determining the routing path of the service; updating the interferon concentration on the routing path of the service according to the optimal interferon volatilization coefficient and the importance of the service; and judging whether each service is routed, and if not all services are routed, returning to the step of sequentially selecting one service according to the priority. The invention also provides a corresponding device. The total risk is reduced, the service route is short to the greatest extent, and the service path length and service load balancing degree are unified.
Description
technical field [0001] The invention relates to the technical field of communication, in particular to a method and a device for determining a service routing path. Background technique [0002] The power communication network is an important physical network of the power system and the foundation of the smart grid. Its safety and reliability directly affect the operation stability of the power grid. Different geographical conditions, weather conditions, network topology and some other factors will have different impacts on the power communication network business. For a topology-stable network, the most important way to reduce the network operation risk is to allocate service paths more reasonably. [0003] In the traditional method, the services carried by the power communication network are classified and prioritized according to their importance, and the services are taken out one by one for working routing pathfinding. If the working routing pathfinding is successful,...
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