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Juan Ramon Costa Girlado

Juan Ramon Costa Girlado

Proactive Network Monitoring with Cloud-based SDN Technology

Proactive Network Monitoring with Cloud-based SDN Technology

Software-defined networking (SDN) can be applied for cloud-managed networks that use dynamic configuration to improve performance and monitoring. It offers greater centralization than traditional networks, allowing administrators to achieve the flexibility and ease of troubleshooting they need for cloud network monitoring with increasingly complex architecture. SDN accomplishes this by...

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Do cloud-managed SDN networks make a difference?

Do cloud-managed SDN networks make a difference?

Managed network services cover corporate network functionalities and applications SMEs can outsource. These services are operated, monitored, and maintained by MSPs, such as IT resellers or system integrators. Among the many options offered by managed networks, we find basic access and network transport services like traditional Wide Area Networks (WANs) and Local Area Networks (LAN), as well as...

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A Spectre is haunting not only Europe

A Spectre is haunting not only Europe

The Meltdown and Spectre vulnerabilities were discovered last year, but only disclosed recently to the public. Both vulnerabilities are of the same family. They fundamentally affect certain CPU designs with around 20-years’ worth of processors and certain upcoming designs cannot be classified totally secure. To eliminate these vulnerabilities entirely will require a rethink of how a modern...

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More and more people commute to work

More and more people commute to work

The number of commuters rises to record high. According to an analysis by the Federal Institute of Research on Building, Urban Affairs and Spatial Development (BBSR), the number of commuters in Germany has peaked at sixty percent, compared to 53 percent in 2000. On average, employees now live almost 17 kilometers away from their place of work, compared to 14.6 kilometers at the start of the...

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WannaCry?

WannaCry?

The first and so far the only time I was personally involved, (or to be more precise my son who at that time was eleven years old), in a cyber-attack by ransomware was in 2012. The computer of my son was apparently blocked by the Federal Criminal Police Office due to some illegal actions, such as sending spam mails and even worse. At least that’s what appeared on the screen in poor German....

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