【摘要】：針對(duì)如何有效利用多個(gè)資源提供者為請(qǐng)求資源的車(chē)輛提供服務(wù)的問(wèn)題,引入車(chē)輛服務(wù)能力的概念,面向城市車(chē)輛自組織網(wǎng)絡(luò)(VANET)環(huán)境,提出了一種車(chē)聯(lián)網(wǎng)協(xié)同服務(wù)發(fā)現(xiàn)中間件體系結(jié)構(gòu).該中間件可以根據(jù)車(chē)輛的內(nèi)部資源和自身的物理屬性,綜合衡量其提供服務(wù)的能力.同時(shí),設(shè)計(jì)了協(xié)同服務(wù)發(fā)現(xiàn)算法,將服務(wù)任務(wù)根據(jù)提供服務(wù)車(chē)輛的服務(wù)能力進(jìn)行合理分配.計(jì)算可提供服務(wù)車(chē)輛的服務(wù)能力和協(xié)同服務(wù)車(chē)輛閾值,確定服務(wù)提供者列表.按照列表內(nèi)各車(chē)輛的服務(wù)能力,將請(qǐng)求的服務(wù)任務(wù)進(jìn)行分配,并將服務(wù)請(qǐng)求車(chē)輛與服務(wù)提供者進(jìn)行服務(wù)綁定.仿真結(jié)果表明,與相同城市環(huán)境下的VITP算法相比,所提算法可降低服務(wù)綁定時(shí)間,并提高服務(wù)綁定成功率.
[Abstract]:In order to solve the problem of how to effectively utilize multiple resource providers to provide services for vehicles requesting resources, the concept of vehicle service capability is introduced to face the (VANET) environment of urban vehicle ad hoc networks. This paper presents a middleware architecture for collaborative service discovery in vehicle networking. The middleware can comprehensively measure the ability of the vehicle to provide services according to its internal resources and its own physical properties. At the same time, a collaborative service discovery algorithm is designed to distribute the service tasks according to the service capacity of service vehicles. The service capacity and collaborative service vehicle threshold are calculated to determine the list of service providers. According to the service capacity of each vehicle in the list, the requested service task is assigned and the service request vehicle is bound to the service provider. The simulation results show that compared with the VITP algorithm in the same urban environment, the proposed algorithm can reduce the service binding time and improve the success rate of service binding.
【作者單位】： 湖南大學(xué)信息科學(xué)與工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(61672220)
【分類(lèi)號(hào)】：U463.67;U495

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