In a previous article we looked at how to mathematically calculate the reliability of electronic equipment. That is, the probability of it working correctly for a given period of time. This is best characterised by the Mean Time Between Failure (MTBF), or its opposite, Failure In Time (FIT). MTBF values are often in the order of hundreds of thousands of hours for electronic equipment. Source:...
NetFlow collection: A new standard for advanced network monitoring
Data collection is an essential part of network management to ensure network devices are being efficiently monitored and managed. NetFlow and SNMP (Simple Network Management Protocol) are two widely used techniques for collecting network data. These two approaches are similar in that they both aim to provide valuable information about network traffic and device status. However, there are...
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, others...
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...
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...
CSMA and media access control
Si dividimos un sistema de comunicación genérico en sus partes más “simples” podemos distinguir cuatro elementos: Un emisor, un receptor, un mensaje y un medio o canal para comunicarlo. Uno de los problemas que surgen desde que se establece la comunicación es el acceso al medio. Cuando tenemos un canal de comunicación compartido entre varios usuarios o estaciones es necesario contar con un...
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