adaptive framework
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2022 ◽  
Vol 22 (1) ◽  
pp. 1-21
Author(s):  
Cosmin Avasalcai ◽  
Christos Tsigkanos ◽  
Schahram Dustdar

Edge computing offers the possibility of deploying applications at the edge of the network. To take advantage of available devices’ distributed resources, applications often are structured as microservices, often having stringent requirements of low latency and high availability. However, a decentralized edge system that the application may be intended for is characterized by high volatility, due to devices making up the system being unreliable or leaving the network unexpectedly. This makes application deployment and assurance that it will continue to operate under volatility challenging. We propose an adaptive framework capable of deploying and efficiently maintaining a microservice-based application at runtime, by tackling two intertwined problems: (i) finding a microservice placement across device hosts and (ii) deriving invocation paths that serve it. Our objective is to maintain correct functionality by satisfying given requirements in terms of end-to-end latency and availability, in a volatile edge environment. We evaluate our solution quantitatively by considering performance and failure recovery.


2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
T. Kamaleshwar ◽  
R. Lakshminarayanan ◽  
Yuvaraja Teekaraman ◽  
Ramya Kuppusamy ◽  
Arun Radhakrishnan

Internet network communication protocol version 6 low-power wireless personal area networks (6LoWPAN) is supposed to assist the gadgets with low-power wireless sensor network (WSN) and it furnishes the top model layer of the data transmission system. The 6LoWPAN is prone to the diversified attacks such as wormhole and black hole attacks, which might be very difficult to become aware of and defend. In a wormhole attack, the attacker listens to the facts over the networks, and in a black hole attack, the intruder reprograms the nodes to dam the data transmission. As an end result, any data datagram that enters the attacked region will end result in transmission failure with low flow network rate and excessive one-way delay. To come across and heal the attack, a self-adaptive framework is brought into the networks and the procedure of data transmission is enriched. In this work, the affected region is measured and rectified with the aid of using the proposed self-adaptive framework for Ad Hoc On-Demand Distance Vector (AODV) routing protocol network communication protocol. The overall performance of the network healing technique is investigated with the aid of using simulation and its miles diagnosed that the proposed framework suggests promising overall performance with the aid of using accomplishing excessive flow network rate and minimum delay.


Author(s):  
Michael Guilherme Jordan ◽  
Guilherme Korol ◽  
Mateus Beck Rutzig ◽  
Antonio Carlos Schneider Beck

2021 ◽  
Vol 110 ◽  
pp. 63-69
Author(s):  
Celestin Drăgănescu

The paper proposes a dynamic adaptive framework that responds to the needs of context-aware services provided by the intelligent transport systems. The executive core of this framework is a software architecture model that ensures the running of an application which is adaptable to context changes. The solution was tested on a case study that highlights provided contextual information through an inter-vehicle communication system.


2021 ◽  
Author(s):  
Kaiyuan Eric Chen ◽  
Yafei Liang ◽  
Nikhil Jha ◽  
Jeffrey Ichnowski ◽  
Michael Danielczuk ◽  
...  
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2021 ◽  
Author(s):  
Dipankar Dwivedi ◽  
Carl Steefel ◽  
Bhavna Arora ◽  
Michelle Newcomer ◽  
Ilhan Ozgen ◽  
...  

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