Dynamic adaptive service recovery method and dynamic adaptive service recovery device for mobile ad hoc network

A dynamic self-adaptive, mobile ad hoc network technology, applied in network topology, electrical components, wireless communication, etc., can solve problems such as service interruption and long response time

Inactive Publication Date: 2013-04-10
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is to provide a dynamic self-adaptive service recovery method and device for mobile ad hoc network, which solves the problem of frequent interruption of ubiquitous services and long response time in mobile ad hoc network

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  • Dynamic adaptive service recovery method and dynamic adaptive service recovery device for mobile ad hoc network
  • Dynamic adaptive service recovery method and dynamic adaptive service recovery device for mobile ad hoc network
  • Dynamic adaptive service recovery method and dynamic adaptive service recovery device for mobile ad hoc network

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Embodiment 1

[0068] The present invention proposes a dynamic self-adaptive service recovery method for mobile ad hoc networks. The system architecture of service recovery applications is abstracted into a two-layer model—a service layer model and a network layer model. The service recovery is to maintain under the condition of the recovery index function The isomorphic subgraph from the business layer model to the network layer model. The models and data used in the present invention are as follows:

[0069] Abstract business layer mathematical model G SM (S,R,E):

[0070] Among them, the single service set S: consists of a series of single services that complete a single function, S={s u |u=0,1,...,n}, where s u Represents the u-th single business in the ubiquitous business, s 0 Represents the initial service, n represents the number of single services that make up the ubiquitous service.

[0071] Business demand resource set R: indicates the type and amount of resources required to complete e...

Embodiment 2

[0123] The invention also proposes a dynamic self-adaptive service recovery device for mobile ad hoc network, such as Figure 5 As shown, the device includes:

[0124] The first monitoring module 201 is used for real-time monitoring of whether the timer expires;

[0125] The second monitoring module 202 is used to monitor whether the ubiquitous service is successfully executed when the timer has not expired;

[0126] The search module 203 is used to search for terminal information in the network;

[0127] The selection module 204 is configured to select a candidate terminal set to update the standby terminal set;

[0128] The first judging module 205 is used to judge whether there is a failure of the instance terminal.

[0129] The device also includes:

[0130] The first sending module is configured to send service request information to the terminal in the network when the timer expires, the service request information carrying request ubiquitous single service collection information, r...

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Abstract

The invention provides a dynamic adaptive service recovery method and a dynamic adaptive service recovery device for a mobile ad hoc network. The method comprises the following steps: S1, setting the timing duration of a timer, monitoring the timer in real time, monitoring whether the ubiquitous service is successfully executed if the timer is not overtime and continuously executing the step S2 if the timer is overtime; S2, searching the terminal information in the network; and S3, selecting a candidate terminal set and updating a spare terminal set according to search results, judging whether the failure of an instance terminal exists or not, enabling the spare terminal set to execute the ubiquitous service if YES, resetting the timer if NOT, and returning the step S1. Through the method, the phenomenon that the overhigh rate of the interruption caused by unilaterally relying on terminal resources to select the terminal sets is prevented, and a preparation is made for reducing the interruption rate, so that the recovery time of constructing, selecting and replacing the terminal sets again is reduced, and the response time caused by information delay is reduced.

Description

Technical field [0001] The invention relates to the field of mobile ad hoc networks, in particular to a method and device for dynamic self-adaptive service recovery of mobile ad hoc networks. Background technique [0002] With the rapid development of ubiquitous computing and communication technologies, human beings are gradually brought into the era of ubiquitous networks. The ubiquitous network era has brought great changes to the edge of the network. More and more devices, including various network terminals, smart home appliances, sensor devices, vehicle-mounted devices, wearable devices, etc., can be interconnected through a variety of wired or wireless methods , Into the user’s daily life. The mobile ad hoc network has become one of the important components of the ubiquitous edge network, and its development has increasingly shown an open, heterogeneous, distributed, and dynamic trend. As a result, the provision of services cannot rely on a single terminal, and must be coo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/04H04W84/18
Inventor 芮兰兰杨杨王丽君郭少勇高志鹏陈兴渝邱雪松
Owner BEIJING UNIV OF POSTS & TELECOMM
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