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Ensuring security in corporate environments

Ensuring security in corporate environments

Due to the radical change in the way we work in IT caused by COVID-19, communications and IT professionals and administrators have been forced to implement or improve necessary mechanisms to ensure security in corporate environments while maintaining their availability for users working from home or anywhere.   There are a variety of mechanisms that help to achieve the objective – some new,...

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Parallel computing via multicore computers allow high processing capacity

Parallel computing via multicore computers allow high processing capacity

Parallel computing is a form of computation in which two or more processors are used to solve a problem or task. The technique is based on the principle that some tasks can be split into smaller parts and solved simultaneously. Parallel computing has become the dominant paradigm when it comes to manufacturing processors, thus making it essential to know not only the current applications of this...

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Interpreting manufacturers’ datasheets

Interpreting manufacturers’ datasheets

We’ve all heard the phrase that timing is everything. Nowadays, the buses that connect, for example, processors to main memory require very precise timing, in the order of tenths of nanoseconds. Manufacturers provide all this information in their datasheets, but it needs to be combined with the appropriate Input/output Buffer Information Specification (IBIS) models and PCB (printed circuit...

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CSMA and media access control

CSMA and media access control

If we divide a generic communication system into its most simple parts, we can distinguish four elements: a sender, a receiver, a message to communicate and a medium on which to do so. One of the problems that arises from establishing the communication is access to the medium. When there are multiple users or stations sharing the same communication medium or channel, access control is required...

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5 trends that will transform telecommunications in 2020

5 trends that will transform telecommunications in 2020

We are approaching the end of 2019 and the beginning of a new decade in which we are expecting amazing technological innovation capabilities. The last few years have seen repeated reports of trends, with much talk of 5G, cloud services, blockchain, edge computing, IoT, and so forth. A significant departure from previous years is foreseen in 2020, where certain technologies widely talked about...

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High-speed Internet from space: The Starlink network

High-speed Internet from space: The Starlink network

Accessing the Internet from space is not new, with many companies (OneWeb, Space Norway, Telesat, etc.) now offering it. More recently, however, a new participant has emerged on the scene promising something different – Starlink. SpaceX’s plan is to create a network of 12,000 satellites that fly from 350 to 1160 km above our heads and provide fast Internet access using lasers. Each satellite...

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DTLS security over UDP

DTLS security over UDP

DTLS (Datagram transport Layer Security) is a protocol that provides privacy for UDP communications. To understand DTLS, you first need to understand UDP. UDP (User Datagram Protocol) is a transport layer protocol based on the exchange of datagrams (encapsulated in OSI model Layer 4 or transport layer). It allows datagrams to be sent over the network without first establishing a connection to...

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Robot Framework and test automation

Robot Framework and test automation

Process automation is becoming increasingly important when developing new software and hardware, as a means to detect implementation failures, carry out behavioral tests involving resources and scenarios, etc. On top of saving employees a great amount of time, it is a quick and easy method that is highly reliable when compared to the alternative: specific tests that have to be run manually. As a...

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Open Source Software Licenses

Open Source Software Licenses

A few weeks ago I wrote a post on the Teldat blog about open source software. I explained how we were seeing the tremendous growth in the use of open source software in recent years. So much so, that the top acquisitions within the technology sector in last year have been for open source software. In that post, I gave an explanation of the advantages and disadvantages to using open source...

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