Design Of Middleware Research Articles

Design of Scalable Java Communication Middleware for Multi-Core Systems

This paper presents smdev, a shared memory communication middleware for multi-core systems. smdev provides a simple and powerful messaging application program interface that is able to exploit the underlying multi-core architecture replacing inter-process and network-based communications by threads and shared memory transfers. The performance evaluation of smdev on several multi-core systems has shown noticeable improvements compared with other Java shared memory solutions, reaching and even overcoming the performance of natively compiled libraries. Thus, smdev has obtained start-up latencies around 0.76 μs and almost 90 Gbps bandwidth for point-to-point communications, as well as high performance and scalability both for collective operations and representative messaging kernels. This fact has motivated the integration of smdev in F-MPJ, our message-passing implementation in Java.

Design of context-aware middleware for mobile healthcare services

We design and develop a context-aware middleware for various mobile healthcare services, specifically those for preventive medicine. The middleware provides medical status information in a context form and then links such information with medical records. Information is collected by the middleware through the recognition of diverse environmental data that affect patients’ health. Information-to-information-related values are obtained as a measure for effectively categorizing and managing medical-related context information. High-frequency context values are determined using the Bayesian probability formula to manage frequently occurring risk situations. The middleware also allows for real-time analysis of information, as well as the calculation of risk frequency via a real-time sensor and recognition of radio frequency identification tag information. It is designed to transmit calculated and preventive care-related information to mobile devices. Using the unique target application program of the ubiquitous healthcare system, the general environment and preventive medicine environment are set as the primary paradigms for generating and managing practical medical context information. This research presents methods for providing automated preventive medical services under a ubiquitous healthcare system. The proposed middleware is expected to present new interactive concepts for preventive medicine-related environments, consequently satisfying the demands of user-oriented ubiquitous healthcare.

Improving communications with bluetooth enabled collaborative middleware in MANET

The main aim of the research presented in this paper was to investigate how can collaborative middleware based collaborative working environment (CWE), combined with bluetooth technology, enhance the communications of mobile users. The high level collaborative middleware is a research and technology development (RTD) challenge and a desirable research outputs for CWEs. This paper outlines a collaborative middleware that has been developed on smartphone technology and enables the creation of a multi-user CWE via a bluetooth network. To achieve this aim, it started with discussing the key design parameters, and then the design of collaborative middleware with collaborative functionality; ended by completed a strengths, weaknesses, opportunities, and threats (SWOT) analysis with focus group to determine the collaborative middleware's potential impact to improve communications between users. The result of the evaluation concludes the bluetooth enabled collaborative middleware can improve the communications of mobile ad-hoc networks. This research also provides two key areas of contribution. Firstly it provides an evolutionary step for the creation of new collaborative applications. Secondly, it has optimised the use of bluetooth beyond the functionality for which it was originally designed.

A framework for service provisioning in virtual sensor networks

The majority of research and development efforts in the area of Wireless Sensor Networks (WSNs) focus on WSN systems that are dedicated for a specific application. However, this trend is currently being replaced by resource-rich WSN deployments that are expected to provide capabilities in excess of any application's requirements. In this regard, the concept of virtual sensor networking is an emerging approach that enables the decoupling of the physical sensor deployment from the applications running on top of it, allowing in this way the dynamic collaboration of a subset of sensor nodes and helping the proliferation of new services and applications beyond the scope of the original deployment. In this context, the article presents the architecture of a system for the realization of Virtual Sensor Networks (VSNs). The aim of the proposed architecture is to enable the realization of scalable, flexible, adaptive, energy-efficient, and trust-aware VSN platforms, focusing on the reduction of deployment complexity and management cost, and on advanced interoperability mechanisms. The efforts have been put towards specifying a service provisioning architecture and mechanisms for advanced sensor and middleware design.

Building Web services middleware with predictable execution times

Predictability of execution has seldom been considered important in the design of Web services middleware. However, with the paradigm shift brought by cloud computing and with offerings of Platforms and Infrastructure as services, execution level predictability is mandating an increased importance. Existing Web services middleware are optimised for throughput with unconditional acceptance of requests and execution in a best-effort manner. While achieving perceived levels of throughput, they also result in highly unpredictable execution times. This paper presents a generic set of guidelines, algorithms and software engineering techniques that enable service execution to complete within a given deadline. The proposed algorithms accept requests for execution based on their laxity and executes them to meet requested deadlines. An introduced admission control mechanism results in a large range of laxities, enabling more requests to be scheduled together by phasing out their execution. Specialised development libraries and operating systems empower them with increased control over execution. Two widely used Web services middleware products were enhanced using these techniques. The two systems are compared with their unmodified versions to measure the predictability gain achieved. Empirical evidence confirms that the enhancements made enable these systems to achieve more than 90% of the deadlines under any type of traffic, while the unmodified versions achieve less than 10% of the deadlines in high traffic conditions. Predictability of execution achieved through these techniques, would open up new application areas such as industrial control systems, avionics, robotics and financial trading systems to the use of Web services as a middleware platform.

Sensor-Actor Network Solution for Scalable Ad-hoc Sensor Networks

Sensor-Actor Network Solution for Scalable Ad-hoc Sensor NetworksArchitects of ad-hoc wireless Sensor-Actor Networks (SANETS) face various problems and challenges. The main limitations relate to aspects such as the number of sensor nodes involved, low bandwidth, management of resources and issues related to energy management. In order for these networks to be functionally proficient, the underlying software system must be able to effectively handle unreliable and dynamic distributed communication, power constraints of wireless devices, failure of hardware devices in hostile environments and the remote allocation of distributed processing tasks throughout the wireless network. The solution must be solved in a highly scalable manner. This paper provides the requirements analysis and presents the design of a software system middleware that provides a scalable solution for ad-hoc sensor network infrastructure made of both stationary and mobile sensors and actuators.

유비쿼터스 센서 네트워크 기반 지능형 교량 시스템 개발

최근 장대 교량 및 복잡한 교량의 형상이 자주 건설됨에 따라, 교량의 안전도 및 건전성 평가에 많은 관심이 집중되고 있다. 장대교량의 경우 다양한 종류의 계측기 들이 설치되어, 측정된 센싱(Sensing)자료를 신호처리를 통해 케이블을 이용하여 장거리 전송하거나, Smart Health 모니터링 개념으로 교량 현장에서 게이트웨이(Gateway)를 통해 외부 무선통신망에 연결하여 정보를 전송하는 최신 무선통신 기술을 적용하고 있다. 하지만, 전 세계적으로 발생한 교량 관련 안전사고의 경우 위험 또는 사고인지에 따른 실시간 예방적, 지능적 조치가 미흡하여 대형사로를 유발한 것으로 보고되고 있다. 이런 문제점을 해결하고자 본 논문에서는 첨단 무선통신인 RFID(Radio Frequency Identification)/USN (Ubiquitous Sensor Network)기술의 기본 개념인 "Communication Among things" 사물 간 통신 개념을 교량 계측모니터링에 적용하여, 교량에 탑재된 다양한 계측 센서 노드로부터 내구성/안전성에 관련된 위험신호를 추출하여 긴박한 안전사고 등이 인지된 경우 사고예방개념에서 사물 간 통신개념으로, 교량의 센서노드가 바로 교량 인근의 교통신호등에 RF 무선 전파를 송신하여 교량의 교통을 차단하며, 대형 사고를 예방할 수 있는 USN기반의 지능형 교량 시스템을 구축을 위한 센서노드모듈을 설계 하였으며, TinyOS 기반 미들웨어 설계와 센서 자유공간 송수신거리 테스트를 실시하여 센서의 성능을 검증 하였다. As long span and complex bridges are constructed often recently, safety estimation became a big issue. Various types of measuring instruments are installed in case of long span bridge. New wireless technologies for long span bridges such as sending information through a gateway at the field or sending it through cables by signal processing the sensing data are applied these days. However, The case of occurred accidents related to bridge in the world have been reported that serious accidents occur due to lack of real-time proactive, intelligent action based on recognition accidents. To solve this problem in this study, the idea of "communication among things", which is the basic method of RFID/USN technology, is applied to the bridge monitoring system. A sensor node module for USN based intelligent bridge system in which sensor are utilized on the bridge and communicates interactively to prevent accidents when it captures the alert signals and urgent events, sends RF wireless signal to the nearest traffic signal to block the traffic and prevent massive accidents, is designed and tested by performing TinyOS based middleware design and sensor test free Space trans-receiving distance.

射频识别技术中间件分层结构的研究和设计

射频识别技术中间件分层结构的研究和设计

Robotics Middleware: A Comprehensive Literature Survey and Attribute-Based Bibliography

Autonomous robots are complex systems that require the interaction between numerous heterogeneous components (software and hardware). Because of the increase in complexity of robotic applications and the diverse range of hardware, robotic middleware is designed to manage the complexity and heterogeneity of the hardware and applications, promote the integration of new technologies, simplify software design, hide the complexity of low-level communication and the sensor heterogeneity of the sensors, improve software quality, reuse robotic software infrastructure across multiple research efforts, and to reduce production costs. This paper presents a literature survey and attribute-based bibliography of the current state of the art in robotic middleware design. The main aim of the survey is to assist robotic middleware researchers in evaluating the strengths and weaknesses of current approaches and their appropriateness for their applications. Furthermore, we provide a comprehensive set of appropriate bibliographic references that are classified based on middleware attributes.

상황인식 미들웨어의 설계와 적용에 관한 연구

본 논문에서는 상황인식 시스템 개발에 필수적인 미들웨어의 설계와 적용에 관하여 논한다. 다양한 상황 데이터들을 처리할 수 있도록 트랜스듀서 인터페이스 프로토콜을 정의하고, 미들웨어 모듈 간 일관성 있는 데이터 처리를 위하여 메시지 기반의 미들웨어를 설계하고 구현하였다. 상황인식 미들웨어는 서비스 기반 구조로 설계되어서 모듈간 기능이 독립적이고 확장성이 뛰어나다. 또한 모듈 간 통신은 메시지를 이용하기 때문에 응용 프로그램 개발이 용이해진다. 본 논문의 상황인식 미들웨어는 교량의 구조물 건전성 감시 시스템에 적용하여 실험하였고, 미들웨어의 효용성을 확인하였다. This paper describes a design and application of middleware that is essential to the context-aware system. We define a transducer interface protocol in order to deal with a variety of context data. For the purpose of systematic process of data between middleware modules, a message oriented middleware is designed and implemented. Memory improves the performance of high-performance computing system compared to previous strategies. Context aware middleware adopts service oriented architecture so that functions in modules may be independent and scalability can be remarkable. Using messages across modules decreases the complexity of the application development. In order to justify the usefulness of the proposed context aware middleware, we carried out our experiments in bridge health monitoring system and verified the efficacy.

Service-oriented middleware for the Future Internet: state of the art and research directions

Abstract Service-oriented computing is now acknowledged as a central paradigm for Internet computing, supported by tremendous research and technology development over the last 10 years. However, the evolution of the Internet, and in particular, the latest Future Internet vision, challenges the paradigm. Indeed, service-oriented computing has to face the ultra large scale and heterogeneity of the Future Internet, which are orders of magnitude higher than those of today’s service-oriented systems. This article aims at contributing to this objective by identifying the key research directions to be followed in light of the latest state of the art. This article more specifically focuses on research challenges for service-oriented middleware design, therefore, investigating service description, discovery, access, and composition in the Future Internet of services.

μDDS: A Middleware for Real-time Wireless Embedded Systems

A Real-Time Wireless Distributed Embedded System (RTWDES) is formed by a large quantity of small devices with certain computing power, wireless communication and sensing/actuators capabilities. These types of networks have become popular as they have been developed for applications which can carry out a vast quantity of tasks, including home and building monitoring, object tracking, precision agriculture, military applications, disaster recovery, industry applications, among others. For this type of applications a middleware is used in software systems to bridge the gap between the application and the underlying operating system and networks. As a result, a middleware system can facilitate the development of applications and is designed to provide common services to the applications. The development of a middleware for sensor networks presents several challenges due to the limited computational resources and energy of the different nodes. This work is related with the design, implementation and test of a micro middleware for RTWDES; the proposal incorporates characteristics of a message oriented middleware thus allowing the applications to communicate by employing the publish/subscribe model. Experimental evaluation shows that the proposed middleware provides a stable and timely service to support different Quality of Service (QoS) levels.

Design and Implementation of Database Middleware in Network Automatic Test System

Design and Implementation of Database Middleware in Network Automatic Test System

Middleware Design and Xml Data Table Creation Relate to Agent-Based Information Release System

This work is concerned with looking for new middleware and xml data tables’ create approach to support agent-based information release system. It solves the problem that how to alternate layout ever-changing data tables those arise in information release system. Its main medium is use borland delphi development platform to develop middleware that can dynamic create different data tables for various types of enterprises so that these enterprises release their information.

Design and Implementation of Device Cooperation Middleware for Earthquake Precursor

In the Earthquake Precursory Forecast industry, despite the ample amount of instruments and data resources owned by the research institutes and organizations, difficulties such as instrument access, lack of diversity in process means of collected data, collection of data across layers still exist due to difference of equipment type and the degree of information among different institutes. On the base of research and analysis about the device resource characters and collaborative application in Earthquake Precursory Forecast, we design and realize the middleware of device collaboration. The practice operation shows that the middleware can meet the demands of device resource’s reliability, efficiency and collaboration in Earthquake Precursory Forecast industry.

UbiSOAP: A Service-Oriented Middleware for Ubiquitous Networking

The computing and networking capacities of today's wireless portable devices allow for ubiquitous services, which are seamlessly networked. Indeed, wireless handheld devices now embed the necessary resources to act as both service clients and providers. However, the ubiquitous networking of services remains challenged by the inherent mobility and resource constraints of the devices, which make services a priori highly volatile. This paper discusses the design, implementation, and experimentation of the ubiSOAP service-oriented middleware, which leverages wireless networking capacities to effectively enable the ubiquitous networking of services. ubiSOAP specifically defines a layered communication middleware that underlies standard SOAP-based middleware, hence supporting legacy Web Services while exploiting nowadays ubiquitous connectivity.

A behavioral characteristics model for a flexible distributed system

PurposeWith the wide spread of the ubiquitous environment, it is necessary to provide adequate multimedia communication services for various users under various networked environments. In such situations, it is essential to organize multimedia software components dynamically to provide necessary services for effective service provision based on the system's operational environment during the run time of the system. The purpose of this paper is to propose a new scheme for observing and controlling behavior of the QoS‐aware agent organization, which provides a flexible QoS control of multimedia service components.Design/methodology/approachTwo models are proposed in this paper: a flexible distributed system (FDS) model and a behavioral characteristics model (BCM), which were applied to the design of network middleware constructed as a QoS‐aware agent organization. Experiments were performed using the middleware prototype system.FindingsResults confirmed that the proposed models provide an effective scheme for designers of multimedia communication services.Originality/valueThis paper shows that using the FDS model, a multiagent system can be designed and constructed systematically. In addition, using BCM, a multiagent system with flexible QoS control capability can deal with changes of the system's operational situations and thereby maintain the required QoS as well as its behavioral characteristics.

Design and implementation of an adaptive middleware based on the universal middleware bridge for heterogeneous home networks

As home networks become more complex and dynamic, it is crucial to support seamless interoperability through automatic reconfiguration and robustness through the efficient handling of faults. This paper presents an adaptive middleware that provides an adaptive autonomic configuration for the heterogeneous home networks and an autonomous fault management that includes fault diagnosis and recovery from unexpected faults such as device plug-outs, network link failures, service failures, and other such incidents. The proposed adaptive middleware is based on the universal middleware bridge (UMB) to guarantee interoperability and robustness in the middleware layer appropriate to heterogeneous home networks.

Special Issue About “Recent Advances on MOBILe Wireless MiddleWARE, Operating Systems, and Applications”

The advances in wireless communication technologies and the proliferation of mobile devices have enabled the realization of intelligent or smarter environments for people to communicate with each other, interact with information processing devices, and receive a wide range of mobile wireless services through various types of networks and systems everywhere and anytime. This emerging “Internet of Things” will dramatically modify our lives, allowing progress in various domains, such as health support, ITS (Intelligent Transportation Systems), energy efficiency, and security. A key enabler of this pervasive and ubiquitous connectivity environment is the advancement of software technologies in various communication sectors, ranging from sensor technologies, operating systems, communication middleware to networking protocols and applications. The international ICST conference series on Mobile Wireless Middleware, Operating Systems, and Applications (MOBILWARE) is dedicated to address these emerging topics and challenges in various mobile wireless software-related areas. The scope of the conference includes the design, implementation, deployment, and evaluation of middleware, operating systems, and applications for computing and communications in mobile wireless systems. This special issue features extensions of five of the best papers of the MOBILWARE 2009 conference, which took place in Berlin, Germany in April 2009 and also illustrates accurately the scope of the conference. The incredible development of mobile devices leads most of us to have a large processing capacity in the pocket. Nevertheless some applications still require too much processing to be easily implementable in smart phones. In the first paper, Andre C. Santos et al. study the possibility to implement an autonomous navigation algorithm on smart-phones using the standard Java machine (J2ME). This algorithm controls a robot and relies on image processing and path planning which are quiet demanding. Even if it is possible to perform demanding tasks on a smart phone, it is reasonable to rely on the ubiquitous Internet connectivity to use servers in the cloud to alleviate processing and battery constraints. The behavior of the network could be adapted to the context in which the mobile terminal operates to be more efficient and to provide a better service to the customer. Josephine Antoniou et al. present in the second paper a multicast session management framework which is able to create and evolve session depending on the terminal context. Simplifying the development of new applications and reducing the time to market for new applications and services is also a challenge that has to be tackled. Florian J.-M. Bonnin (*) Institut Telecom / Telecom Bretagne, Universite europeenne de Bretagne, Rennes, France e-mail: jm.bonnin@telecom-bretagne.eu

Model and design of adaptive mobile middleware supporting scalability

To satisfy the requirements for mobile computing,the mobile middleware was introduced into the development of mobile application to improve the scalability and adaptability of the mobile system.The requirements for the mobile middleware were introduced.A service-based mobile middleware model was advanced.This model involved the use of several middleware distributed in the mobile computing system to support the system scalability.Architecture and design of the mobile middleware model were introduced and its performance was discussed in depth.