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DTSTART;TZID=UTC:20210726T120000
DTEND;TZID=UTC:20210726T130000
DTSTAMP:20260428T134615
CREATED:20210708T233315Z
LAST-MODIFIED:20220105T225837Z
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SUMMARY:Sustainable Service Pricing in Cloud Ecosystems
DESCRIPTION:Energy efficiency\, which has emerged as a top priority in cloud ecosystems\, is the outcome of appropriate pricing mechanisms and resource allocations. Static pricing mechanisms are the most dominant approach among all the others. They are simple to implement for the service providers and easy to understand for the service users. Inaccurate price calculation and low efficient resource allocation in static pricing mechanisms made researchers discover other solutions to overcome these issues. Double auction mechanisms are among the most appropriate dynamic models. The main challenge of conventional double auction mechanisms is not considering the cloud ecosystems’ specifications\, such as dynamic online features. The term dynamic refers to the many variable parameters in cloud ecosystems\, and they constantly change. Conventional static offline pricing solutions are set based on a series of parameters before running the process. In dynamic online methods\, we customize our pricing models based on dynamic and current parameters. Also\, we continuously optimize these methods to attain optimal results. In this seminar\, firstly\, we define a Dynamic Online Double Auction Mechanism (DODAM) for the IaaS environment\, which covers a broader range of IaaS parameters by considering the dynamic online features of such markets. Considering the features of cloud dynamic online ecosystems\, DODAM provides an appropriate price scheduling for service providers and service users. Cloud secondary market is a new paradigm in IaaS ecosystems. In these markets\, brokers and reseller buyers have attained their resources from service providers of the cloud primary markets in the form of timed packages and repackage them into smaller chunks. As unsold packages do not transfer to the next intervals\, brokers and reseller buyers need to sell their packages as much as possible. We develop a mechanical design that includes a market-based pricing model and a resource allocation algorithm in such markets as our second contribution. Next\, by formulating the inherent competitive features in cloud secondary markets\, we improve the pricing and resource allocation mechanisms in such competitive ecosystems. In the last contribution\, we proposed a Priority-based Dynamic Online Double Auction Model (PB-DODAM)\, considering the perishability and time constraints of traded resources in IaaS secondary markets. The provided experimental results show that all proposed mechanisms drastically increase resource utilization and the overall utility. \nSpeaker(s): Dr. Reza Dibaj \nVirtual: https://events.vtools.ieee.org/m/276942
URL:https://www.ieeetoronto.ca/event/sustainable-service-pricing-in-cloud-ecosystems/
LOCATION:Toronto\, Ontario\, Canada\, Virtual: https://events.vtools.ieee.org/m/276942
CATEGORIES:Magnetics,Women in Engineering
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BEGIN:VEVENT
DTSTART;TZID=UTC:20210726T120000
DTEND;TZID=UTC:20210726T133000
DTSTAMP:20260428T134616
CREATED:20210719T075927Z
LAST-MODIFIED:20220105T230047Z
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SUMMARY:Flexible Radio Access Beyond 5G: A Future Projection
DESCRIPTION:Dr Arslan has graciously offered to continue the discussion on 5G technologies. The topic is Flexible Radio Access Beyond 5G: A Future Projection. \nAbstract: \nToday’s wireless services and systems have come a long way since the rollout of the conventional voice-centric cellular systems. The demand for wireless access in voice and multi-media applications has increased tremendously. The trend on the variety and the number of mobile devices along with the mobile applications will certainly continue beyond 5G\, creating a wide range of technical challenges. One of the biggest challenges is the security of the communication beyond the classical crypto based approaches which secure the information. In this talk\, security aspects of the physical communication and also physical signal which is called Physical Layer Security (PHY Security) will be discussed. Latest trends\, threats\, and techniques to improve the security of the physical signal will be discussed. The tentative outline of the talk will be as follows: \n\nWireless Communication trends\, requirements\nImportance of secure communication\nClassification of communication security\nPHY security: Communication and REM\nPHY security: Eavesdropping\, Spoofing & Jamming\nAnti-jamming capable communication\nCross-layer security – Secure communication & other advanced radio access technologies\n\nCase- studies\na- Security in URLLC (URLL & Secure communication)\nb- Security in vehicular network (V2V and V2I)\nc- Security in NOMA d- Security in LIS \nSpeaker(s): Dr. Arslan Arslan
URL:https://www.ieeetoronto.ca/event/flexible-radio-access-beyond-5g-a-future-projection/
LOCATION:Atlanta\, Georgia\, United States\, Virtual: https://events.vtools.ieee.org/m/277084
CATEGORIES:Communications
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