Method for simulating state transition of hot billing (HB) system based on Petri network with inhibitor arcs
A system state and state transition technology, applied in the field of telecommunications, can solve problems such as lack of zero detection capability, and achieve the effect of solving the state space explosion
Active Publication Date: 2013-12-25
SHENZHEN TIANYUAN DIC INFORMATION TECH CO LTD
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The prototype Petri net can be defined as N=(P, T; F, M 0 ), that is, places, transitions, directed arcs, and initial identifiers. Although the prototype Petri net has rich description methods and system analysis techniques, it does not have the ability of zero detection
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[0031] Such as figure 1 As shown, it is a schematic diagram of the Petri net with suppressed arcs of the simulated HB system state transition obtained by applying the present invention, in figure 1 And in the subsequent drawings, the circular node represents the place (Place), the solid square node represents the transition (Transition), the line with the arrow between the place and the transition represents the directed arc (Arc), the place and the transition The line with a circle between them represents the inhibition arc (Inhibitor), and the solid circle represents the token (Token).
[0032] Obtained according to the method of the present invention based on the Petri net simulation HB system state transition with suppressed arc figure 1 The shown procedure for a Petri net with suppressive arcs includes the following steps:
[0033] Step 1. Divide the status of the HB system into three modules: running status module, on-network / off-network module, and disaster recovery; ...
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The invention relates to a method for simulating the state transition of a hot billing (HB) system based on a Petri network with inhibitor arcs. The method comprises the following steps of: 1, dividing the state of the HB system into a running state module, an online / offline module and a disaster tolerant module; 2, determining places, transition and distribution conditions of initial tokens of each module; 3, connecting directed arcs according to dependence or function relations between the transition and the places by using each module to form corresponding Petri sub-modules of each module respectively; 4, connecting the Petri sub-modules by using the directed arcs or the inhibitor arcs to form an integral Petri model according to relations among the three modules; and 5, performing control based on a Petri middleware platform, and performing automatic analysis and checking on the integral Petri model obtained by the step 4. By the method, the real-time state of the HB system can be displayed, so that operators and maintainers can instantly know and properly control the processing progress and health degree of the state transition of the HB system.
Description
technical field [0001] The invention belongs to the technical field of telecommunications, in particular to a method for simulating HB system state transition based on a Petri net with suppressed arcs. Background technique [0002] In order to gain a favorable position in the fierce market competition, operators must provide customers with rich service tariff strategies, flexible service bundles, prepaid / postpaid transfers, unified payment, unified bill management, etc., and establish a real-time and flexible Converged billing system. The converged billing system consists of two parts: real-time billing and quasi-real-time billing (HB, or Hot Billing). Both systems can realize the billing processing of various telecommunications services, but which system handles the specific billing process depends on It depends on the operator's real-time requirements for customer billing and deduction. Quasi-real-time billing (Hot Billing), commonly known as hot billing, is a type of of...
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IPC IPC(8): H04L12/14H04W4/24H04M15/00G06F17/50
Inventor 安凤梅杨海汪东升周发军罗帅乐晓波
Owner SHENZHEN TIANYUAN DIC INFORMATION TECH CO LTD