Building a Low Latency Linux Software Router
| Autor: | Alexander Beifub, Torsten M. Runge, Paul Emmerich, Bernd E. Wolfinger, Daniel Raumer, Georg Carle |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Voice over IP
business.industry Computer science Quality of service ComputerSystemsOrganization_COMPUTER-COMMUNICATIONNETWORKS Testbed Packet processing 020206 networking & telecommunications 02 engineering and technology Network interface Networking hardware Bottleneck Firewall (construction) 020210 optoelectronics & photonics Embedded system 0202 electrical engineering electronic engineering information engineering business Computer network |
| Zdroj: | ITC |
| Popis: | Packet processing (e.g. routing, switching, firewall) with commodity hardware is a cost-efficient and flexible alternative to specialized networking hardware. On commodity hardware the CPU typically becomes the bottleneck in packet processing. However, in well-known QoS mechanisms (e.g. DiffServ), the outgoing link is assumed to be the bottleneck. This limitation is unfavorable, in particular for latency-sensitive applications (e.g. VoIP, video conferencing, online gaming). Thus, we propose and implement a QoS concept for a Linux software router to prioritize latency-sensitive traffic at the incoming network interface. Our testbed measurements show that our prototype implementation improves the packet processing w.r.t the latency of latency-sensitive traffic even under high traffic loads. |
| Databáze: | OpenAIRE |
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