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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.

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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

on Nov 20, 2023
Thumbnail of an article about Network automation tools comparison in code examples: Terraform, Ansible, and Python SDK
NETWORKS

Network automation tools comparison in code examples: Terraform, Ansible, and Python SDK

Read a thorough comparison of popular network automation tools: Ansible, Terraform, and Python SDK. Find out which one will work best for your project.
Horia Gunică

Horia Gunică

on Nov 16, 2023
Thumbnail of an article about Ansible vs. Terraform in networks: similarities and differences
NETWORKS

Ansible vs. Terraform in networks: similarities and differences

Discover two powerful network automation tools - Terraform and Ansible. Learn about their differences and similarities. Find out when to use each tool.
Konrad Dąbrowski

Konrad Dąbrowski

on Nov 9, 2023
Thumbnail of an article about Getting started with vManage client: essential features and functions
NETWORKS

Getting started with vManage client: essential features and functions

Working with REST API on cutting-edge systems can be challenging at times. Rapid evolution and new features often lead to changes in the structure of REST API calls. These can be just cosmetic but still require an effort to adjust existing scripts. This problem can be easily handled by the SDKs dedicated to systems such as Cisco Meraki or Cisco DNA Center.
Radosław Kochman

Radosław Kochman

on Nov 2, 2023
Thumbnail of an article about [interview] Unlocking the future: A glimpse into the world of R&D at CodiLime
DATA
NETWORKS

[interview] Unlocking the future: A glimpse into the world of R&D at CodiLime

In the ever-evolving landscape of technology, research and development (R&D) plays a pivotal role in driving innovation, pushing the boundaries of knowledge, and shaping the future of industries. R&D is the heart of organizations that innovate, explore, and create, and it is the engine behind breakthroughs that change the way we live and work. In this interview, we’ll delve into the world of R&D with Paweł Parol, the leader of one of the R&D teams at CodiLime. Paweł Parol: Well, in short, R&D stands for research and development.
Multiple authors

Multiple authors

on Sep 29, 2023
Thumbnail of an article about IPsec vs. OpenVPN — what are the differences?
NETWORKS

IPsec vs. OpenVPN — what are the differences?

Quick answer: IPsec is a suite of secure network protocols that are based on open IETF standards and OpenVPN is an open-source protocol that is used by an application with the same name. In other words, IPSec is a framework but OpenVPN is an end-user solution. It doesn’t follow that OpenVPN is worse than IPsec. If OpenVPN as a solution fulfills your requirements it could be the best choice for you. The strength of IPsec lies in three words: open IETF standards. By meeting these standards, two different implementations from different vendors can successfully operate together in the most secure way without having a single common line of code.
Andrei Skvorchevsky

Andrei Skvorchevsky

on Sep 22, 2023
Thumbnail of an article about SmartNIC vs. NIC: what is the difference?
SOFTWARE DEVELOPMENT
NETWORKS

SmartNIC vs. NIC: what is the difference?

Our everyday life is full of networking devices and applications. When we video conference at work or watch a new movie on a streaming service at home, we barely even think about how much data needs to be transferred to ensure their correct function. We use our mobile devices with high-speed Internet access and take that for granted. But underneath the efficient work of online applications lies the stable functioning of enormous data centers and telecommunication infrastructure. Since the amount of data that needs to be processed grows every day, we keep demanding more and more processing capabilities from the networking infrastructure.
Artur Jaworski

Artur Jaworski

on Sep 21, 2023
Thumbnail of an article about Tungsten Fabric is closing down — what next?
NETWORKS

Tungsten Fabric is closing down — what next?

Tungsten Fabric is an open-source project developed under the umbrella of the Linux Foundation. It serves as an important part of many network infrastructures. The project is, however, ending its development. Due to the community’s decision, active development and project services have ceased but the resources will remain accessible until August 1, 2024.
Karolina Rusinowicz

Karolina Rusinowicz

on Sep 12, 2023
Thumbnail of an article about Network devices benchmarking methodology — RFC 2544 performance testing
QUALITY ASSURANCE
NETWORKS

Network devices benchmarking methodology — RFC 2544 performance testing

Networking devices are complex and characterizing their performance is not easy. One must not judge performance based only on the number and type of ports. On the other hand, the performance figures that can be found in marketing materials may not be conclusive. Therefore, some while ago, the effort was made to create a unified benchmarking methodology to produce reliable, repeatable and comparable results. In this short article we’ll describe the basic performance metrics of networking devices and the methodology used to measure them.
Paweł Włodawiec

Paweł Włodawiec

on Sep 7, 2023
Thumbnail of an article about Python Nornir for simplifying network automation: code examples
NETWORKS

Python Nornir for simplifying network automation: code examples

Manual management and configuration can quickly become overwhelming and time-consuming. Whether we talk about deploying configurations, running commands across devices, or collecting and analysing traffic data, there is always a need to automate repetitive tasks, improve network scalability, and enhance overall efficiency. Let’s imagine someone is facing the daunting task of updating login banners on numerous Cisco devices or gathering essential data through a single show command. Many engineers can wonder about the most efficient methods to accomplish these objectives.
Mateusz Dyks

Mateusz Dyks

on Aug 17, 2023
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