Updates in container isolation [LWN.net]
Did you know...?LWN.net is a subscriber-supported publication; we rely on subscribers to keep the entire operation going. Please help out by buying a subscription and keeping LWN on the net. At KubeCon + CloudNativeCon Europe 2018, several talks explored the topic of container isolation and security. The last year saw the release of Kata Containers which, combined with the CRI-O project, provided
Some notes on macvlan/macvtap « \1
There's not a lot of documentation about these interfaces. Here are some notes to summarize what I've been able to gather so far. Surely there's more to it (corrections and/or more information welcome). Macvlan interfaces can be seen as subinterfaces of a main ethernet interface. Each macvlan interface has its own MAC address (different from that of the main interface) and can be assigned IP addre
Tun/Tap interface tutorial « \1
Foreword: please note that the code available here is only for demonstration purposes. If you want to be serious, you'll have to make it more robust and integrate it with other code. Also, the description is by no means a definitive reference on the subject, but rather the result of my experimentation. Please report any bug or error you find in the code or otherwise in this article. Thanks. Link t
Multiqueue - KVM
Multiqueue virtio-net Overview This page provides information about the design of multi-queue virtio-net, an approach enables packet sending/receiving processing to scale with the number of available vcpus of guest. This page provides an overview of multiqueue virtio-net and discusses the design of various parts involved. The page also contains some basic performance test result. This work is in p
Deep dive into Virtio-networking and vhost-net
In this post we will explain the vhost-net architecture described in the introduction, to make it clear how everything works together from a technical point of view. This is part of the series of blogs that introduces you to the realm of virtio-networking which brings together the world of virtualization and the world of networking. This post is intended for architects and developers who are inter
Introduction to virtio-networking and vhost-net
Virtio was developed as a standardized open interface for virtual machines (VMs) to access simplified devices such as block devices and network adaptors. Virtio-net is a virtual ethernet card and is the most complex device supported so far by virtio. In this post we will provide a high level solution overview of the virtio-networking architecture, based on establishing an interface between the hos
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kvm interrupt emulation
Container Isolation at Scale (... and introducing gVisor)
The Definitive KVM (Kernel-based Virtual Machine) API Documentation
Virtualized bridged networking with MacVTap - Seravo