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Network infrastructure comprises the hardware and software components that enable communication and data transfer. It includes (physical and virtual elements like) routers and switches, servers as well as protocols, and security measures, forming the backbone of modern connectivity for businesses and individuals.

Thumbnail of an article about Open Programmable Infrastructure - a common standard for DPU/IPU-like devices
NETWORKS

Open Programmable Infrastructure - a common standard for DPU/IPU-like devices

With the extreme growth of data that is processed every day in data centers, network performance is constantly being challenged and improved. In this reality, hardware acceleration and offloading have become more popular, which causes the evolution of network interface cards even faster.
Andrzej Tkaczyk

Andrzej Tkaczyk

Thumbnail of an article about Centrally controlled segment routing as a kind of SDN
NETWORKS

Centrally controlled segment routing as a kind of SDN

This article introduces the core concepts of segment routing, highlights its benefits over typical MPLS networks, and, last but not least, explores how it fits into the SDN concept.
Paweł Włodawiec

Paweł Włodawiec

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NETWORKS

Traffic Generators in Network Device Testing

Thanks to network device testing built-in features, traffic generators can make the life of a network engineer much easier. They are a great tool that provides scale, capabilities, and repeatability, which is critical since tests rely on them as a reference.
Kamil Dąbrowski

Kamil Dąbrowski

Thumbnail of an article about Introducing SONiC-DASH for enhanced network programmability
NETWORKS

Introducing SONiC-DASH for enhanced network programmability

SONiC and DASH have emerged as essential solutions to meet modern networking needs like flexibility, efficiency, and performance optimization. SONiC's open-source framework empowers organizations to customize their network operations, reducing dependency on proprietary systems and fostering innovation.
Kamil Kacperski

Kamil Kacperski

Thumbnail of an article about Understanding Self-Organizing Networks: the SON essentials
NETWORKS

Understanding Self-Organizing Networks: the SON essentials

In this article we explain the idea behind self-organizing networks (SONs), what they are, where they are applicable and how organizations can benefit from them.
Tomasz Sikorski

Tomasz Sikorski

Thumbnail of an article about Spine-leaf vs. traditional DCs: what’s the difference?
NETWORKS

Spine-leaf vs. traditional DCs: what’s the difference?

In this article, we compare two solutions: traditional data centers architecture and the spine-leaf architecture.
Horia Gunică

Horia Gunică

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NETWORKS

Introduction to DNSSEC

The following article gives an insight into DNSSEC general principles. It provides practical examples, describing how DNSSEC works and how it can be used. Finally, it gives some information about the current adoption of this extension worldwide.
Mariusz Hryszko

Mariusz Hryszko

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Latest addition to network testing and simulation: Containerlab

Until recently all existing virtual lab solutions were based on vendor appliances provided as virtual machines. Such an approach allowed us to emulate closely the real HW (some of those appliances had virtualized data planes as well - e.g. vEX, vMX). However this is not always the desired case.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about Virtual Labs: running network topology on a plain laptop
NETWORKS

Virtual Labs: running network topology on a plain laptop

For a very long time whenever someone wanted to create a network playground, they had to use physical equipment. Although such an approach had some pros, they were quickly outweighed by the cons, such as: price of equipment, manual cabling required to set up the environment, noise, power consumption - the list is long.
Adam Kułagowski

Adam Kułagowski

Thumbnail of an article about Ethernet VPN explained: benefits, use cases, and key concepts
NETWORKS

Ethernet VPN explained: benefits, use cases, and key concepts

The requirement of Layer 2 connectivity has driven Ethernet-based fabrics and Layer 2 virtual private networks (VPN) to be adopted by internet service providers, cloud operators, and enterprises in their converged networks. A new set of requirements, not initially considered in the design of existing technologies and protocols, has led to the deployment of solutions with certain shortcomings.
Piotr Jakacki

Piotr Jakacki

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