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Functional equivalence body isomerism maximum scheduling method and device
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A scheduling method and equivalent body technology, applied to electrical components, transmission systems, etc., can solve security risks, do not consider the isomorphism of heterogeneous functional equivalents to be scheduled, and achieve the effect of avoiding escape from mimicry judgments
Active Publication Date: 2017-11-14
THE PLA INFORMATION ENG UNIV +1
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[0007] The existing scheduling strategies do not consider the possible isomorphism of the heterogeneous functional equivalents to be scheduled. If the functional equivalents with isomorphism are scheduled, the attacks against the backdoor and vulnerabilities of the isomorphic parts may be Bypassing the majority judgment brings security risks to the system
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Embodiment 1
[0059] Embodiment one, such as figure 1 As shown, it is a schematicflowchart of a scheduling method for maximizing the degree of isomerism of functional equivalents provided by an embodiment of the present invention. The method includes the following steps:
[0060] Step 101, determining a set of functional equivalents available in the system, the set including m functional equivalents;
[0061] Step 102, in order to respond to the external service request, in the above functional equivalent set, determine the number n of heterogeneous functional equivalents to be scheduled according to the scheduling parameters, where 2≤n≤m, n∈N;
[0062] Step 103, after receiving the scheduling request, the input agent randomly selects a functional equivalent from the above functional equivalent set as the initial heterogeneous functional equivalent;
[0063] Step 104, forming a subset containing n functional equivalents from the initial heterogeneous functional equivalents in the functio...
Embodiment 2
[0067] Embodiment 2. This embodiment provides a scheduling method for maximizing the degree of isomerism of heterogeneous functional equivalents, which specifically includes the following steps:
[0068] Step 201, determine the set of functional equivalents available in the system, the set P={p 1 ,p 2 ,...,p m} contains m functional equivalents;
[0069] Step 202, in order to respond to the external service request, in the above functional equivalent set, determine the number n of heterogeneous functional equivalents to be scheduled according to the scheduling parameters, where 2≤n≤m, n∈N;
[0070] Step 203, after receiving the scheduling request, the input agent randomly selects a functional equivalent in the functional equivalent set P as the initial heterogeneous functional equivalent, and the initial heterogeneous functional equivalent is defined as q 1 ,Have:
[0071] q 1 =p r , 1≤r≤m,
[0072] q 1 ∈P;
[0073] Step 204, define functional equivalent body subset Q...
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Abstract
The invention discloses a functional equivalence body isomerism maximum scheduling method and device. According to the method, firstly an available functional equivalence body set is determined in a system, in response to an external service request, in the above functional equivalence body set, and a number n of heterogeneous functional equivalence bodies with the need of scheduling is determined according to scheduling parameters. After a scheduling request is received, an input agent selects one functional equivalence body in the above functional equivalence body set to be an initial heterogeneous functional equivalence body, sub sets including n functional equivalence bodies are formed by the initial heterogeneous functional equivalence body in the above functional equivalence body set and other any (n-1) functional equivalence bodies, the isomerism of each functional equivalence body sub set is calculated, the isomerism of all functional equivalence body sub sets are sorted, a functional equivalence body sub set with largest isomerism is selected, and scheduling is carried out according to the heterogeneous functional equivalence bodies in the sub set. According to the method, the simultaneous scheduling of functional equivalence bodies with poor heterogeneity can be avoided, and a guarantee is provided for system security.
Description
technical field [0001] The invention relates to the technical field of cyberspace security protection, in particular to a scheduling method and device for maximizing the degree of heterogeneity of functional equivalents. Background technique [0002] With the continuous development and popularization of network equipment and services, people are increasingly dependent on cyberspace, and the importance of network security has become increasingly prominent. In the traditional cyberspace field, the attributes of equipment and devices (including software and hardware) that complete specific service functions are static and deterministic, and there is a strong correlation with their internal structures. The collection and analysis of characterization content and corresponding relationship can grasp specific information about equipment and devices to a certain extent, and may discover exploitable loopholes or defects, and then carry out intrusions and threaten cyberspace security....
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