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[Hands-On] Network Automation with ServiceNow® & OpenDaylight

by Miroslav Kováč | Leave us your feedback on this post! s.r.o., its products or services, are not affiliated with ServiceNow®, neither is this post an advertisement of ServiceNow® or its products. ServiceNow® is a complex cloud application, used to manage companies, their employees, and customers. It was designed to help you automate the IT […]

A Cloud-Native & Unified Firewall

by Filip Gschwandtner | Leave us your feedback on this post! Updated 11/05/2020: Our Unified Firewall Demo was updated with additional insight, as to how we achieved great results with our solution. We differentiate generally between a hardware and software firewall. Software firewalls can reside in the userspace (for example, VPP) or the kernel space (for example, NetFilter). […]

A Guide on ONAP SDN-C & Cisco NSO

[NSO Guide] Cisco NSO with SDN-C (ONAP)

by Samuel Kontriš | Leave us your feedback on this post! Welcome to the third and final part of our guide on Cisco’s Network Service Orchestrator. In previous parts, we managed to install and run the NSO on Ubuntu & connected it with Prerequisites This tutorial was tested on Ubuntu 18.04 LTS. In this […]

[NSO Guide] Cisco NSO with

by Samuel Kontriš | Leave us your feedback on this post! This is a continuation of our guide on the Cisco Network Service Orchestrator. In our previous article, we have shown you how to install and run Cisco NSO with three virtual devices. We believe you had time to test it out and get to […] Guide for Cisco NSO

[NSO Guide] Cisco Network Services Orchestrator

by Samuel Kontriš | Leave us your feedback on this post! A network can get messy. That is why many service providers require a Network Orchestrator, to fill the gap between managing hundreds of devices & corresponding services like SNMP, NETCONF, REST and others. This is where Cisco’s Network Services Orchestrator comes into play and […]

VPP 105: Memory Management & DPDK APIs

VPP 105: Memory Management & DPDK APIs

Welcome to the 5th part of our VPP Guide series! Today, we will be asking ourselves practical questions regarding the various technologies & libraries managed in VPP – their usage, advantages, and management. Let’s jump right into it and ask ourselves: Why does DPDK use Hugepages? Hugepages Hugepages is one of the techniques used in […]

[Guide] Intro to Vector Packet Processing (VPP)

Welcome to our new series on how to build and program‘s Vector Packet Processing framework, also known as VPP. The name stems from VPP’s usage of vector processing, which can process multiple packets at a time with low latency. Single packet processing and high latency were a common occurrence in the older, scalar processing approach, […]

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Business Update for March 2020

Business Update: March 2020

Here at, we are saddened by the current situation in the world, regarding the COVID-19 outbreak and are fully supporting everybody in the front-line of this fight. As the world is continuously relying on stable networks and improvements in technology, our day-to-day business needs to continue as usual. Firstly, we needed to asses the […]

[OpenDaylight] Sodium: A Developers Perspective

by Robert Varga | Leave us your feedback on this post! continued to be the leader in terms of contributions to the OpenDaylight codebase. While our focus remained on the core platform, we also dabbled into individual plugins to deliver significant performance, scalability and correctness improvements. We are therefore glad to be a significant […]

T-Rex & memif integration by

memif + T-REX: CNF Testing Made Easy’s developer Július Milan has managed to integrate memif into the T-REX Traffic Generator. T-REX is a traffic generator, which you can use to test the speed of network devices. Now you can test Cloud-Native Functions, which support memif natively in the cloud, without specialized network cards! Imagine a situation, where multiple cloud-native functions are […]

AF_XDP featured image / logo

[What Is] XDP/AF_XDP and its potential

What is XDP? XDP (eXpress Data Path) is an eBPF (extended Berkeley Packet Filter) implementation for early packet interception. Received packets are not sent to kernel IP stack directly, but can be sent to userspace for processing. Users may decide what to do with the packet (drop, send back, modify, pass to the kernel). A […]