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[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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The Future of Java

Oracle has made headlines and created community uproar when it announced that the Java SE platform will be undergoing major changes. The platform has had an interesting history of release cycles. At first, releases were lead by major features. No new feature meant no release – so new features determined release dates. It took, for […]

KubeCon - CloudNativeCon - 2019 @ KubeCon & CloudNative Con 2019

Barcelona is a wonderful city and home of several important conferences, which attended in the past. Rastislav Szabó & Tomáš Jančiga returned to Barcelona this year, to attend KubeCon & CloudNative Con. With over 7700 participants, KubeCon was a massive event with lots of promising presentations. “KubeCon confirmed, that IT is moving towards cloud-native principles […]

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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. s 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 […]

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[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 […]