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Update Chain-based Approach for Checking Route Oscillation of BGP

Chinese Journal of Aeronautics 2011年第2期24卷 202-209页

作者： ZHANG Jun School of Electronics and Information Engineering Beihang University Beijing 100191 China National Key Laboratory of CNS/ATM Beijing 100191 China

This paper presents a novel approach for checking route oscillation of border gateway protocol（BGP） quickly,by which the privacy of routing policies of autonomous system（AS） can be ***,route update chain tag（RUCT） is constructed to track the forwarding of update report,and local routing library is made to record the changing history of update *** route oscillation can be identified by analyzing correlative state of RUCT and local routing *** characteristic of this approach is that an arbitrary AS can check route oscillation alone only by sharing its network ID,which greatly respects the pri-vacy of routing policies for each *** paper shows that both looping in RUCT and consecutive positive-negative report in local record are sufficient conditions for route *** experiments demonstrate the availability and efficiency of the proposed approach.

关键词： routing protocols gateways border gateway protocol autonomous systems interdomain routing oscillations

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An IoT Based Crop Field Controlling and Monitoring System

An IoT Based Crop Field Controlling and Monitoring System

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作者： MD ISRAQ AZIZ 华南理工大学

学位级别：硕士

A majority of the population of developing countries is associated with agriculture directly or *** liaison of engineering technology and Sustainable Development Goals(SDGs)can build a bridge for farmers to enhance their skills regarding advancements through future generation agriculture *** next-generation trends include better soil preparation,intelligent irrigation systems,advanced methods of crop nutrient inspection,smart fertilizers applications,and multi-cropping *** work proposes an embedded system which is closely monitored and controlled the climate parameters such as humidity,temperature,p H,water drainage,water supply on wireless sensor network on a regular basis round the clock for cultivation of crops which could maximize their production was *** paper also includes a smart Decision Support System(DSS)that acquires the input parameters based on real-time monitoring to optimize the yield that realizes sustainability by improving per hectare production and lessening water seepage wastage in *** designed system comprises beside the sensors from microcontroller,monitor,wireless communication based on Node MCU,respondents such as water pump,electricity supply,cloud employing decision support layers,and networking based DSS to recommend cautions for optimum sustainable *** intelligent sensors module contains a temperature and humidity sensor,p H sensor,soil moisture sensor,light intensity sensor,and gas detection sensor to transmit the statistics to the cloud over the internet via Long Range(Lo Ra)using Serial Peripheral Interface(SPI)communication ***,an android application has been developed for real-time data monitoring according to node information(accessed remotely)and a website using Firebase to store historical data and show real-time *** a low cost and flexible system can be empowered by a reliable management scenario in order to maintain the field environmental conditions.

关键词： IoT Sensor gateways Cloud Actuator

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城市公路交通门户地区景观设计——以榆林市西门户景观设计为例(英文)

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Journal of Landscape Research 2012年第6期4卷 1-3,6页

作者：来朝旭西安科技大学建筑与土木工程学院陕西西安710054

Improving urban gateway landscape environment helps establish positive images of a city, and helps newcomers form proper recognition of the city. Landscape design of the west gateway in Yulin City was taken for example, its natural ecological environment, historical and humanistic environment and modern man-made environment were investigated, and also macro elements analyzed, such as overall urban planning, historical and cultural background of the city, regional environment features. It was to build the west gateway of Yulin City into a landscape transition area for experiencing culture and history of the city, and appreciating characteristic images of this region, and to improve natural ecological conditions of the local area, realize the sustainable development of regional environment.

关键词： Urban highway traffic gateways Landscape design Space environment

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The utilization of algorithms for cloud internet of things application domains:a review

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Frontiers of Computer Science 2021年第3期15卷 137-163页

作者： Edje E.ABEL Muhammad Shafie Abd LATIFF Department of Computer Science Universiti Teknologi MalaysiaJohor 81310Malaysia Department of Computer Science Delta State UniversityDelta State PMB 01Nigeria

Cloud internet of things(IoT)is an emerging technology that is already impelling the daily activities of our ***,the enormous resources(data and physical features of things)generated from Cloud-enabled IoT sensing devices are lacking suitable managerial *** research surveys on Cloud IoT mainly focused on its fundamentals,definitions and layered architecture as well as security *** by the current literature,none of the existing researches is yet to provide a detailed analysis on the approaches deployed to manage the heterogeneous and dynamic resource data generated by sensor devices in the cloud-enabled IoT ***,to bridge this gap,the existing algorithms designed to manage resource data on various CloudloT application domains are investigated and *** emergence of CloudloT,followed by previous related survey articles in this field,which motivated the current study is ***,the utilization of simulation environment,highlighting the programming languages and a brief description of the simulation pack-ages adopted to design and evaluate the performance of the algorithms are *** utilization of diverse network communication protocols and gateways to aid resource dissemina-tion in the cloud-enabled IoT network infrastructure are also *** future work as discussed in previous researches,which pave the way for future research directions in this field is also presented,and ends with concluding remarks.

关键词： internet of things sensing devices radio frequency identification network communication protocols gateways cloud platform

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