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Thumbnail of an article about Traffic Generators in Network Device Testing

Thumbnail of an article about Traffic Generators in Network Device Testing

Traffic Generators in Network Device Testing

Kamil Dąbrowski

Kamil Dąbrowski

Kamil Dąbrowski

on Apr 26, 2024

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CLOUD DATA NETWORKS OBSERVABILITY OPERATIONS QUALITY ASSURANCE SOFTWARE DEVELOPMENT UX

Thumbnail of an article about The El Dorado of developer talent — outsourcing IT projects to Poland

Thumbnail of an article about The El Dorado of developer talent — outsourcing IT projects to Poland

SOFTWARE DEVELOPMENT

The El Dorado of developer talent — outsourcing IT projects to Poland

Let’s imagine that a new olympic sport is introduced: programming. Who would be a winner? The answer seems pretty easy: the USA, on the back of Silicon Valley, birthplace of Google, Apple and Microsoft. The most prominent figures in the IT industry--Larry Page, Jeff Bezos or Mark Zuckerberg, to name three--are all Americans, and all household names. Finally, countless talented developers live and work in the States. Among their ranks may be counted Robert C. Martin (colloquially known as "Uncle Bob"), the creator of the Agile Manifesto and Joel Spolsky, who in collaboration with Jeff Atwood launched the programmer Q&A site Stack Overflow.

Jarosław Ganczarenko

Jarosław Ganczarenko

Jarosław Ganczarenko

on Oct 17, 2019

Thumbnail of an article about Seamlessly transitioning to CNFs with Tungsten Fabric

Seamlessly transitioning to CNFs with Tungsten Fabric

Cloud-native Network Functions (CNFs), by all appearances, seem to be the next big trend in network architecture. They are a logical step forward in the evolution of network architecture. Networks were initially based on physical hardware like routers, load balancers and firewalls. Such physical equipment was then replaced by today’s standard, VMs to create Virtualized Network Functions (VNFs). Now, a lot of research is going into moving these functions into containers. In such a scenario, a container orchestration platform would be responsible for hosting CNFs.

Jarosław Ganczarenko

Jarosław Ganczarenko

Jarosław Ganczarenko

on Sep 26, 2019

Thumbnail of an article about Uncontainerizable VNFs in a CNF environment

Thumbnail of an article about Uncontainerizable VNFs in a CNF environment

Uncontainerizable VNFs in a CNF environment

Cloud-native network functions (CNFs, for short) are a hot topic in network architecture. CNFs use containers as the base for network functions and thus would replace today’s most widely used standard, Virtual Network Functions (VNFs). In such a scenario, a container orchestration platform--Kubernetes, say--could be responsible not only for orchestrating the containers, but also for directing network traffic to proper pods. While this remains an area under research, it has aroused considerable interest among industry leaders.

Piotr Skamruk

Piotr Skamruk

Piotr Skamruk

on Sep 14, 2019

Thumbnail of an article about How can DPDK access devices from user space?

Thumbnail of an article about How can DPDK access devices from user space?

SOFTWARE DEVELOPMENT

How can DPDK access devices from user space?

DPDK (Data Plane Development Kit) is a set of libraries for implementing user space drivers for NICs (Network Interface Controllers). It provides a set of abstractions which allows a sophisticated packet processing pipeline to be programmed. But how does DPDK work? How is it able to access the hardware directly? How does it communicate with the hardware? Why does it require a UIO module (Userspace input-output)? What are hugepages and why are they so crucial? In this blog post I will try to explain, with a reasonable amount of detail, how a standard kernel space NIC driver works, how a user space program can access hardware and what can be gained from having it do so.

Dariusz Sosnowski

Dariusz Sosnowski

Dariusz Sosnowski

on Aug 22, 2019

Thumbnail of an article about Infographic: The NFV MANO model in practice

Thumbnail of an article about Infographic: The NFV MANO model in practice

Infographic: The NFV MANO model in practice

Please bear in mind that this infographic does not pretend to present a complete and ultimate mapping. It is only our vision based on the specific products. Since it is tough to precisely map the existing solutions, the model itself should be treated as an approximation. The elements presented are only examples and obviously do not show every solution available on the market. We are always eager to discuss this subject and consider different points of view.

Monika Antoniak

Monika Antoniak

Monika Antoniak

on Jul 24, 2019

Thumbnail of an article about Infographic: BUM traffic in the L2 and L3 domains

Thumbnail of an article about Infographic: BUM traffic in the L2 and L3 domains

Infographic: BUM traffic in the L2 and L3 domains

Broadcast, unknown-unicast and multicast traffic (BUM) in the L2 and L3 domains

Monika Antoniak

Monika Antoniak

Monika Antoniak

on Jul 18, 2019

Thumbnail of an article about Infographic: ISO/OSI and TCP/IP models

Thumbnail of an article about Infographic: ISO/OSI and TCP/IP models

Infographic: ISO/OSI and TCP/IP models

ISO/OSI and TCP/IP models - what are the equivalences between the layers?

Monika Antoniak

Monika Antoniak

Monika Antoniak

on Jul 11, 2019

Thumbnail of an article about Infographic: IPv4 vs IPv6 — comparison

Thumbnail of an article about Infographic: IPv4 vs IPv6 — comparison

Infographic: IPv4 vs IPv6 — comparison

Monika Antoniak

Monika Antoniak

Monika Antoniak

on Jul 3, 2019

Thumbnail of an article about Security in Kubernetes — overview of admission webhooks

Security in Kubernetes — overview of admission webhooks

This blog post is a continuation of two previous posts on security mechanisms in Kubernetes. If you have not yet read them, click here for part 1 and part 2 to see how you can provide an adequate level of security in Kubernetes deployments. Existing admission controllers are very useful, as they allow you to validate or modify requests to a Kubernetes API server. However, they have two limitations: They have to be compiled into an API server and can be configured only on the API server startup. The flexibility of admission webhooks helps solve these problems.Once enabled, their behavior depends on the special application running inside the Kubernetes cluster.

Marcin Szumilak

Marcin Szumilak

Marcin Szumilak

on Jun 23, 2019

Thumbnail of an article about How to make your Kubernetes cluster secure

How to make your Kubernetes cluster secure

In the last couple of years Kubernetes (K8s) has become one of the most popular tools for running containerized applications. Many cloud companies, major ones among them, have adopted it to orchestrate their container-based workloads. Given its popularity, the problem of K8s security is becoming even more pressing. Read our two-part blog post series on how to make a Kubernetes cluster secure. Part one provides a brief history of virtualization, presents admission controllers and how they work and shows how Pod Security Policies, a powerful admission controller, can help you manage user actions on Kubernetes cluster.

Marcin Szumilak

Marcin Szumilak

Marcin Szumilak

on Jun 11, 2019

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Explore tech-packed content

Thumbnail of an article about Traffic Generators in Network Device Testing

Thumbnail of an article about Traffic Generators in Network Device Testing

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

Kamil Dąbrowski

on Apr 26, 2024

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

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

Introducing SONiC-DASH for enhanced network programmability

on Apr 15, 2024

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

IIFE: a (wrongfully?) forgotten JavaScript pattern

on Mar 28, 2024

Thumbnail of an article about Traffic Generators in Network Device Testing

Thumbnail of an article about Traffic Generators in Network Device Testing

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

Kamil Dąbrowski

on Apr 26, 2024

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

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

Introducing SONiC-DASH for enhanced network programmability

on Apr 15, 2024

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

IIFE: a (wrongfully?) forgotten JavaScript pattern

on Mar 28, 2024

Thumbnail of an article about Traffic Generators in Network Device Testing

Thumbnail of an article about Traffic Generators in Network Device Testing

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

Kamil Dąbrowski

on Apr 26, 2024

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

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

Introducing SONiC-DASH for enhanced network programmability

on Apr 15, 2024

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about The crucial role of machine learning metadata and its influence on content embeddings

The crucial role of machine learning metadata and its influence on content embeddings

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about Frontend security: API’s key risks and how to mitigate them

Frontend security: API’s key risks and how to mitigate them

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

Thumbnail of an article about IIFE: a (wrongfully?) forgotten JavaScript pattern

IIFE: a (wrongfully?) forgotten JavaScript pattern

on Mar 28, 2024

From raw data to insights: Effective data processing techniques

DATADATA ENGINEERINGMONITORING

The UX design of your networking application

Clickable prototype of network application

NETWORK APPUXPRODUCT DESIGN

AI for Networks: Shortening Fiber Cut Recovery Time

ARTIFICIAL INTELLIGENCEAINETWORKS

Hardware offloading in Software-Defined Networks

SDNNETWORKSOFFLOADING

AI and Machine Learning for Networks

AIMACHINE LEARNINGNETWORKS

Application networking in Kubernetes

NETWORK APPKUBERNETESK8S

AI for Networks – Improved Alarms

ARTIFICIAL INTELLIGENCEAINETWORKS

Generating packets with SmartNICs and P4

P4SMARTNICLOW-LEVEL PROGRAMMING

Is Golang the right choice for your project?

GOLANGGO LANGUAGE

AI for Networks: Capacity Planning

ARTIFICIAL INTELLIGENCEAINETWORKS

UX in network applications: How not to fail

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