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DPDK avatar

DPDK/dpdk

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Dpdk

DPDK ist ein Framework für Paketverarbeitung und eine Kernel-Bypass-Netzwerkbibliothek, die darauf ausgelegt ist, die Leistung der Netzwerk-Datenebene zu beschleunigen. Es bietet einen User-Space-Netzwerkstack, der Netzwerkdaten direkt von der Netzwerkkarte in den User-Space verschiebt und so den Overhead des Betriebssystem-Kernels eliminiert, um hohen Durchsatz und niedrige Latenz zu erreichen.

Das Framework nutzt eine Poll-Mode-Driver-Architektur, die interrupt-gesteuerte Netzwerkverarbeitung durch einen konstanten Polling-Mechanismus ersetzt. Dieser Ansatz ermöglicht die Implementierung von Netzwerkfunktionen und Protokollen außerhalb des Kernels.

Das Projekt deckt Funktionen für hochperformante Paketverarbeitung, Netzwerkfunktionsvirtualisierung und die Entwicklung benutzerdefinierter Netzwerk-Appliances wie Firewalls und Load Balancer ab.

Features

  • Packet Processing Frameworks - Provides a high-performance framework for accelerating packet processing by moving network data directly from the NIC to user space.
  • Poll-Mode Drivers - Employs a poll-mode driver architecture that continuously checks hardware for packets to eliminate interrupt latency.
  • Network Stack Bypasses - Implements a networking library that bypasses the standard kernel network stack to achieve high throughput.
  • User-Space Network Interface Access - Moves network driver logic from the kernel to user space to achieve faster data transfer.
  • High-Performance Packet Processing - Handles massive volumes of network traffic by bypassing the OS kernel to reduce latency and CPU overhead.
  • User-Space Packet Processing - Provides high-speed network packet manipulation by bypassing standard kernel overhead.
  • Direct I/O Access - Provides direct I/O access to move network traffic from hardware to user-space memory, bypassing the kernel.
  • User-Space Implementations - Provides tools for implementing network protocols in user space to maximize throughput and avoid kernel context switches.
  • Zero-Copy Buffers - Implements zero-copy buffer management by passing pointers to packet data across processing stages.
  • Single-Producer Single-Consumer Queues - Implements single-producer single-consumer lockless ring buffers for high-speed data exchange between CPU cores.
  • Network Appliance Frameworks - Provides a framework for building specialized network appliances such as firewalls and load balancers.
  • Hugepage Allocations - Implements hugepage-based memory allocation to improve memory access speed and reduce TLB misses for packet buffers.
  • Virtualization Networking - Enables the creation of virtualized network services that process packets at near-wire speed.
  • Run-To-Completion Models - Uses a run-to-completion model by assigning a packet to a single CPU core for all processing steps.
  • Netzwerk-Bibliotheken - Libraries and drivers for fast packet processing.

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Häufig gestellte Fragen

Was macht dpdk/dpdk?

DPDK ist ein Framework für Paketverarbeitung und eine Kernel-Bypass-Netzwerkbibliothek, die darauf ausgelegt ist, die Leistung der Netzwerk-Datenebene zu beschleunigen. Es bietet einen User-Space-Netzwerkstack, der Netzwerkdaten direkt von der Netzwerkkarte in den User-Space verschiebt und so den Overhead des Betriebssystem-Kernels eliminiert, um hohen Durchsatz und niedrige Latenz zu erreichen.

Was sind die Hauptfunktionen von dpdk/dpdk?

Die Hauptfunktionen von dpdk/dpdk sind: Packet Processing Frameworks, Poll-Mode Drivers, Network Stack Bypasses, User-Space Network Interface Access, High-Performance Packet Processing, User-Space Packet Processing, Direct I/O Access, User-Space Implementations.

Welche Open-Source-Alternativen gibt es zu dpdk/dpdk?

Open-Source-Alternativen zu dpdk/dpdk sind unter anderem: f-stack/f-stack — f-stack is a kernel-bypass framework and user-space TCP/IP stack designed to increase packet processing speeds and… openvswitch/ovs — Open vSwitch is a software-defined network switch and high-performance data plane engine. It functions as a virtual… cloudius-systems/osv — OSV is a unikernel operating system and cloud-native execution environment designed to run as a secure microVM on… fortra/impacket — Impacket is a collection of Python classes designed for the construction, manipulation, and analysis of low-level… game1024/openspeedy — OpenSpeedy is a network acceleration utility designed to optimize data transmission between applications and remote… cilium/cilium — Cilium is a networking, security, and observability platform for containerized environments that leverages…