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28th IEEE International Conference on Advanced Information Networking and Applications Workshops (IEEE WAINA)

作者： Zhou, Wei Li, Li Luo, Min Chou, Wu Huawei Technol Co Ltd Shannon IT Lab Shenzhen Peoples R China

ISBN: (纸本)9781479926527

rest architectural style gains increasing popularity in the networking protocol design, and it has become a prevalent choice for northbound api of Software-Defined Networking (SDN). This paper addresses many critical issues in restful networking protocol design, and presents a framework on how a networking protocol can be designed in a truly restful manner, making it towards a service oriented data networking. In particular, we introduce the HTTP content negotiation mechanism which allows clients to select different representation formats from the same resource URI. Most importantly, we present a hypertext-driven approach, so that hypertext links are defined between rest resources for the networking protocol to guide clients to identify the right resources rather than relying on fixed resource URIs. The advantages of our approach are verified in two folds. First, we show how to apply our approach to fix rest design problems in some existing northbound networking apis, and then we show how to design a restful northbound api of SDN in the context of OpenStack. We implemented our proposed approach in the northbound rest api of SOX, a generalized SDN controller, and the benefits of the proposed approach are experimentally verified.

关键词： SDN Controller Northbound api OpenStack Quantum rest api Hypertext Driven

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SEAPP: A secure application management framework based on rest api access control in SDN-enabled cloud environment

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JOURNAL OF PARALLEL AND DISTRIBUTED COMPUTING 2021年 147卷 108-123页

作者： Hu, Tao Zhang, Zhen Yi, Peng Liang, Dong Li, Ziyong Ren, Quan Hu, Yuxiang Lan, Julong Natl Digital Switching Syst Engn & Technol Res Ct Zhengzhou Henan Peoples R China Informat Engn Univ Zhengzhou Henan Peoples R China

Cloud computing provides scalable network services and makes network management more flexible by combining Software-Defined Networking (SDN). Through the northbound interface (e.g., rest api) offered by the SDN controller, users can easily deploy diversified applications to access the network resources. However, exploiting the openness of the northbound interface, malicious applications abuse apis to launch hostile attacks, which poses serious threats to the network. In this paper, we propose SEAPP, a secure application management framework based on rest api access control. Our main idea is to granularly manage application permissions and encrypt rest api calls to defend against malicious attacks. SEAPP includes two components: 1) permissions detection engine identifies the facticity of application permissions by analyzing permission manifests and byte codes and further identifies the legality of permissions with constructed sensitive api list;2) registration authorization engine executes encrypted registration between applications and controller by virtue of NTRU algorithm and authorizes applications to call the requested rest apis based on their risk levels after securely authenticating them. Besides, SEAPP is a lightweight logic architecture between application plane and control plane and supports quick deployment and reconfiguration in runtime. Both theoretical analysis and evaluation results show the security and effectiveness of SEAPP. Besides, SEAPP introduces negligible CPU and memory overheads. (C) 2020 Elsevier Inc. All rights reserved.

关键词： Cloud Software-Defined Networking Network security Application rest api

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rest api Fuzzing by Coverage Level Guided Blackbox Testing

REST API Fuzzing by Coverage Level Guided Blackbox Testing

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21st IEEE International Conference on Software Quality, Reliability and Security (QRS)

作者： Tsai, Chung-Hsuan Tsai, Shi-Chun Huang, Shih-Kun Natl Yang Ming Chiao Tung Univ Dept Comp Sci Hsinchu Taiwan Natl Yang Ming Chiao Tung Univ Informat Technol Serv Ctr Hsinchu Taiwan

ISBN: (纸本)9781665458139

With the growth of web applications, rest APls have become the primary communication method between services. In order to ensure system reliability and security, software quality can be assured by effective testing methods. Black box fuzz testing is one of the effective methods to perform tests on a large scale. However, conventional black box fuzz testing generates random data without judging the quality of the input. We implement a black box fuzz testing method for rest APls. It resolves the issues of blind mutations without knowing the effectiveness by Test Coverage Level feedback. We also enhance the mutation strategies by reducing the testing complexity for rest APls, generating more appropriate test cases to cover possible paths. We evaluate our method by testing two large open-source projects and 89 bugs are reported and confirmed. In addition, we find 351 bugs from 64 remote api services in APls. guru. The work is in https://***/hsuan-fuzz.

关键词： Openapi rest api Test coverage level Black-box testing Fuzz testing Software quality

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Design Patterns and Extensibility of rest api for Networking Applications

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IEEE TRANSACTIONS ON NETWORK AND SERVICE MANAGEMENT 2016年第1期13卷 154-167页

作者： Li, Li Chou, Wu Zhou, Wei Luo, Min Huawei Cent Res Shannon IT Lab Bridgewater NJ 08807 USA Huawei Cent Res Shannon IT Lab Shenzhen Peoples R China CSIRO Digital Prod Flagship Autonomous Syst Sandy Bay Tas 7005 Australia Huawei Cent Res Shannon IT Lab Santa Clara CA 95050 USA

rest architectural style has become a prevalent choice for distributed resources, such as the northbound api of software-defined networking (SDN). As services often undergo frequent changes and updates, the corresponding rest apis need to change and update accordingly. To allow rest apis to change and evolve without breaking its clients, a rest api can be designed to facilitate hypertext-driven navigation and its relatedmechanisms to deal with structure changes in the api. This paper addresses the issues in hypertext-driven navigation in rest apis from three aspects. First, we present rest Chart, a Petri-Net-based rest service description framework and language to design extensible rest apis, and it is applied to cope with the rapid evolution of SDN northbound apis. Second, we describe some important design patterns, such as backtracking and generator, within the rest Chart framework to navigate through large scale apis in the restful architecture. Third, we present a client side differential cache mechanism to reduce the overhead of hypertext-driven navigation, addressing a major issue that affects the application of rest api. The proposed approach is applied to applications in SDN, which is integrated with a generalized SDN controller, SOX. The benefits of the proposed approach are verified in different conditions. Experimental results on SDN applications show that on average, the proposed cache mechanism reduces the overhead of using the hypertext-driven rest api by 66%, while fully maintaining the desired flexibility and extensibility of the rest api.

关键词： SDN controller northbound api OpenStack Neutron rest api hypertext driven rest Chart Petri-Net differential cache

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Design of Manufacturing Equipment Digital Twin Interworking Framework based on rest api for Smart Factory 15

Design of Manufacturing Equipment Digital Twin Interworking ...

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15th International Conference on Ubiquitous and Future Networks (ICUFN)

作者： Wee, Jungwook Cho, Minju Lee, Youn-Sung Lee, Kyung-Taek Korea Elect Technol Inst Contents Convergence Res Ctr Seoul South Korea

ISBN: (纸本)9798350385304;9798350385298

A digital twin, which digitizes facilities within factories and implements them in virtual space, is a useful technology for monitoring and analyzing the performance and status of manufacturing equipment and systems, and the quality of products in smart factories. To implement the digital twin, synchronization between a real object and a virtual object is required. In this paper, we design a rest api-based interface framework for real-virtual object linkage of manufacturing equipment required in the digital twin for smart factories. The proposed framework exchanges information with the virtual factory in connection with the existing automation system.

关键词： restful rest api smart factory digital twin AMR

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Compatibility Checking of rest api Based on Coloured Petri Net 11th

Compatibility Checking of REST API Based on Coloured Petri N...

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11th International Conference on Web Information Systems and Technologies (WEBIST)

作者： Li, Li Chou, Wu Huawei Shannon IT Lab Bridgewater NJ USA

ISBN: (纸本)9783319309965;9783319309958

One of the underutilized advantages of rest api is extensibility. Extensibility allows a rest api to make certain changes to its resource representation, identification, interaction, and connection without breaking its clients. A client can cope with these changes in the rest api through hypertext-driven interactions - an iterative process in which the client can determine the resource identification based on its representation, utilize its identification to determine the interactions, and follow the interactions to determine its connections. However, our analysis reveals that there are limitations to the flexibility of the hypertext-driven navigation due to the dependency between these interaction layers in the rest api, and there is a critical need to determine if two rest apis are compatible for the client. To address this issue, we describe a structured approach to rest client modelling that decomposes a rest client into two functional components: client oracle and client agent. From this client model, we derive a formal definition of compatibility based on the rest Chart representation of the rest api, and an efficient algorithm is developed to verify the compatibility between two rest Charts. A prototype system has been implemented, and the preliminary experimental results show that the approach is feasible and promising.

关键词： rest api Coloured petri net rest chart Compatibility checking Client oracle Client agent

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Splineapi: A rest api for NLP Services 1

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4th International Symposium on Languages, Applications and Technologies (SLATE)

作者： Vieira, Nuno Simoes, Alberto Carvalho, Nuno Ramos Univ Minho Ctr Algoritmi Braga Portugal Univ Minho Ctr Estudos Humanist Braga Portugal

ISBN: (数字)9783319276533

ISBN: (纸本)9783319276533;9783319276526

Modern applications often use Natural Language Processing (NLP) techniques and algorithms to provide sets of rich features. Researchers, who come up with these algorithms, often implement them for case studies, evaluation or as proof of concepts. These implementations are, in most cases, freely available for download and use. Nevertheless, these implementations do not comprise final software packages, with extensive installation instructions and detailed usage guides. Most lack a proper installation mechanism and library dependency tracking. The programming interfaces are, usually, limited to their usage through command line, or with just a few programming languages support. To overcome these shortcomings, this work aims to develop a new web platform to make available a set of common operations to third party applications that can be used to quickly access NLP based processes. Of course this platform still relies on the same tools mentioned before, as a base support to specific requests. Nevertheless, the end user will not need to install and learn their specific Application Programming Interfaces (api). For this to be possible, the architectural solution is to implement a restful api that hides all the tool details in a simple api that is common or, at least, coherent, across the different tools.

关键词： Natural language processing rest api Web service DSL

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A Machine Reading Comprehension Framework for rest api Information Extraction 2021

A Machine Reading Comprehension Framework for REST API Infor...

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2nd International Conference on Artificial Intelligence and Information Systems (ICAIIS )

作者： Liu, Weixue Wang, Lei Beijing Univ Posts & Telecommun Beijing Peoples R China

ISBN: (纸本)9781450390200

rest api is highly popular and widely used by various Web service providers. However, most Web service providers only provide their api documents on Web pages, and different sites have different document formats. This prevents Web services users to benefit from the advantages of having a unified machine-readable specification, such as generating sdk code, testing api, etc. In this paper, we propose a new approach to convert Web rest api documentation to structured machine-readable Openapi specification. We cast the task as a question answering problem, i.e, the extraction of rest api is transformed to the task of identifying answer spans from the context. Experiment showed that the QA model based on BERT performed well on multiple sites.

关键词： rest api Openapi specification QA BERT

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Design and Implementation a rest api for Association Rule Mining 14

Design and Implementation a REST API for Association Rule Mi...

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2017 14th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

作者： Boonchuay, Kesinee Intasorn, Youppadee Rattanaopas, Kritwara Songkhla Rajabhat Univ Fac Sci & Technol Dept Comp Khao Rup Chang Thailand

ISBN: (纸本)9781538604496

Association rule mining is one of the popular topics in data mining. It can be applied with various types of applications. In these days, an organization applies multiple software applications to manage its jobs. These applications are also based on several types of platforms. Hence, an interoperability software development using web service becomes one of popular topics in nowadays. In this paper, we emphasized the idea of design and implementation association rule mining web service for a small or medium organization having various software applications on multiple platforms. This service is based on a web service architecture called rest api. The design is intended to be simple. All development tools are also non-commercial software. Therefore, our design in this paper can be easily applied with organization's applications. Our service is tested by using three datasets. According to the result, the processing time depends on the number of transaction in a dataset. From our testing, the service can support a large dataset having 100,000 transactions.

关键词： association rule mining web services rest api

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Enhancing Model Management with Automated rest api Generation 24

Enhancing Model Management with Automated REST API Generatio...

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ACM/IEEE 27th International Conference on Model Driven Engineering Languages and Systems: Companion Proceedings (MODELS)

作者： Tuyishime, Adiel Basciani, Francesco Canovas Izquierdo, Javier Luis Iovino, Ludovico Gran Sasso Sci Inst Laquila Italy UOC IN3 Barcelona Spain

ISBN: (纸本)9798400706226

The development of Web-based modeling tools leverages Web technologies and Model-Driven Engineering (MDE) techniques to provide environments to create and edit models or model-based low-code solutions. These tools require providing a fast and efficient way for model management, which is especially important in model-based system engineering. However, there are still few approaches that provide this kind of model management. Among the strategies for developing distributed services, there is a growing interest in the use of restful services, as they allow providing stateless and scalable solutions. In this paper, we present a tool to provide restful services for model management that can be used to interact with any kind of model, and can be used to build a Web-based modeling tool providing modeling-as-a-service. We implemented the approach as a middleware, which is used to provision restful services for model management, and we evaluated the approach with a scenario-based methodology applied to the running example.

关键词： MDE rest api Model Management Model repositories

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