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The networks category covers networking protocols, data transmission methods, network addressing, and network security. Understanding network fundamentals is crucial for designing, implementing, and managing reliable and secure communication systems.

Thumbnail of an article about Debugging Nginx Ingress in Kubernetes — a study in (Codi)Lime  
CLOUD
NETWORKS

Debugging Nginx Ingress in Kubernetes — a study in (Codi)Lime  

This story comes with everything one needs to tell the perfect noir detective story. There’s an investigation, a mysterious victim and a silent psycho mass-murderer. Only the setting is changed, with Kubernetes clusters instead of Victorian era London and the CodiLime team smoking Sherlock Holmes’ pipe. So pour yourself some whiskey, light up a cigar and enjoy your reading! Kubernetes is currently one of the most popular open-source systems for deploying and managing applications. Yet it wouldn’t be so useful without Ingress, a tool that enables the outer world to contact the components within Kubernetes by using HTTP or an HTTPS protocol.
Maciej Sawicki

Maciej Sawicki

on Mar 26, 2019
Thumbnail of an article about SDN Security: Five reasons SDN is more secure than legacy networks
NETWORKS

SDN Security: Five reasons SDN is more secure than legacy networks

Great malware infections hit hard in 2017, leading to new cybersecurity concerns. As malware evolves, so too do networks and SDN and NFV solutions, which may be a good response to increasing threats. Let's talk about SDN security. According to the Cisco Annual Cybersecurity Report 2018, WannaCry and NotPetya were the most devastating ransomware attacks launched in 2017. WannaCry spread throughout institutions, including the Spanish telecom Telefonica, FedEx and Deutche Bahn while NotPetya hit Ukrainian banks, companies and the international logistics giant Maersk.
Michał Pik

Michał Pik

on Nov 13, 2018
Thumbnail of an article about Five cloud challenges solved by Software Defined Networking (SDN)
NETWORKS
CLOUD

Five cloud challenges solved by Software Defined Networking (SDN)

As purchasing more and more gear becomes an outdated way to upscale, companies outsource computing power from a the cloud. However, organizations struggle to combine their physical servers and cloud resources into a single efficient, integrated network. This article runs through some of the main concerns about the cloud. It addresses how SDN technology solves them and how it can support a company in managing its cloud services and internal resources. Empowering old-style on-prem infrastructure with SDNs allows companies to tackle their most pressing challenges in building a hybrid cloud.
Konrad Budek

Konrad Budek

on Aug 23, 2018
Thumbnail of an article about Debugging faultily inherited file handles on Microsoft Windows
NETWORKS
SOFTWARE DEVELOPMENT

Debugging faultily inherited file handles on Microsoft Windows

Some time ago we fixed issues with multi-thread building in SConscripts. Since then, we have encountered strange, flaky compilation errors occurring randomly in about 5% of our builds. We couldn’t leave it that way - our Windows CI is used by many developers working on multiple parts of the system and we must ensure that it is 100% stable. We all know those pesky flaky bugs that won’t let us sleep peacefully. A menace to developers, they are happening once a week and are impossible to catch and debug.
Mateusz Jabłoński

Mateusz Jabłoński

on Jun 29, 2018
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