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- 저자 : Osvaldo Gervasi (검색결과 2 건)
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Encryption Scheme for Secured Communication of Web Based Control Systems
Osvaldo Gervasi 보안공학연구지원센터(JSE) 2010 보안공학연구논문지 Vol.7 No.6
A Control system is the combinations of components (electrical, mechanical, thermal, or hydraulic) that act together to maintain actual system performance close to a desired set of performance specifications. The trend in most systems is that they are connected through the Internet. Traditional Supervisory Control and Data Acquisition Systems (SCADA) is connected only in a limited private network Since the internet Supervisory Control and Data Acquisition Systems (SCADA) facility has brought a lot of advantages in terms of control, data viewing and generation. Along with these advantages, are security issues regarding web SCADA, operators are pushed to connect Control Systems through the internet. Because of this, many issues regarding security surfaced. In this paper, we discuss web SCADA and the issues regarding security. As a countermeasure, a web SCADA security solution using crossed-crypto-scheme is proposed to be used in the communication of SCADA components which extends through the internet.
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An Effective and Innovative Streaming Model for Videos in Mobile Computing
Edward E. Pingoy,Osvaldo Gervasi 사단법인 인문사회과학기술융합학회 2013 예술인문사회융합멀티미디어논문지 Vol.3 No.1
Video streaming in mobiles is based on the stream of traffic over mobile networks. The capacity of wireless link cannot be provided on demand. The poor service quality of video streaming over mobile networks is based on the gap between the link capacity and the traffic demand, along with time-varying link conditions, such as long buffering time and intermittent disruptions. In this paper we propose to develop a new mobile video framework, labeled as AMES-Cloud, which is divided into two main parts: AMoV (adaptive mobile video streaming) and EsoV (Efficient social video sharing). AMoV and EsoV build up the third party agent to provide efficient video streaming services for every mobile user. The AMoV and WSoV will provide the different types of features like, based on the feedback of link quality the AMoV contracts the private agent adaptively adjust her streaming flow with a scalable video coding technique. The second feature EsoV monitors the social network interactions among mobile users, and their private agents try to prefect video content in advance. In this paper we implement a prototype of the AMES-Cloud framework to show its efficiency. For that we propose to show that the third party agents in the cloud can effectively provide the adaptive streaming and perform video sharing.
KCI
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