Abstract
Remote laboratories are being built upon different network architectures. This paper analyzes major classes of such network architectures from the point of view of network infrastructure, with examples of currently employed solutions. Pros and cons of each architecture are discussed. A new solution making network communications between laboratory servers and laboratory users to be more efficient is proposed. This solution is based on using high-performance computers such as IBM Mainframe as common layer for laboratory servers, simplifying and unifying software development of remote laboratories for their producers
Highlights
Existing remote laboratories utilize Internet infrastructure for providing access to experimental or study equipment to the end user
Network architecture is one of the most important parts to be taken into account when organizing communication between the end user and experimental setup, and it directly affects the overall quality of the remote laboratory
We propose to virtualize many laboratory servers on one highperformance computer of IBM Mainframe class
Summary
Existing remote laboratories utilize Internet infrastructure for providing access to experimental or study equipment to the end user. All network elements of remote laboratories are standard blocks that adhere to client-server architecture of computers and applications [1]. Client-server architecture is a basic architecture of remote laboratories because it allows a client (application and a computer of the end user) to control remote experiment [2]. Remote laboratory client is an application that is running on the device of the end user conducting remote experiment. Such device (personal or tablet computer, smartphone etc.) is usually in the local network and behind network address translation (NAT) devices. Network architecture is one of the most important parts to be taken into account when organizing communication between the end user and experimental setup, and it directly affects the overall quality of the remote laboratory. With big numbers of experimental setups it would give considerable economical and operational benefits, improving performance and security of laboratory servers at the same time
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