Publication

Towards Structurally Extensible Host Network Stacks

2025

Abstract

Several recent proposals have shown that re-architecting the host network stack can significantly improve throughput and reduce tail latency. Yet these designs remain confined to user-level stacks or invasive kernel forks, both of which are impractical for production deployment. We ask: Can host network stacks be made sufficiently extensible to support the incremental deployment of new designs? To answer this question, we identify the key capabilities required by such designs and propose the design of FlexNet, a framework that enables developers to implement new network stack designs as extensions to existing production network stacks.

Official source

https://infoscience.epfl.ch/entities/publication/b88da3cd-ff2c-4c7e-9d11-a45b3180d2f8

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2025

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/b88da3cd-ff2c-4c7e-9d11-a45b3180d2f8

About this result

Related concepts (22)

Network interface controller

A network interface controller (NIC, also known as a network interface card, network adapter, LAN adapter or physical network interface, and by similar terms) is a computer hardware component that connects a computer to a computer network. Early network interface controllers were commonly implemented on expansion cards that plugged into a computer bus. The low cost and ubiquity of the Ethernet standard means that most newer computers have a network interface built into the motherboard, or is contained into a USB-connected dongle.

Internet protocol suite

The Internet protocol suite, commonly known as TCP/IP, is a framework for organizing the set of communication protocols used in the Internet and similar computer networks according to functional criteria. The foundational protocols in the suite are the Transmission Control Protocol (TCP), the User Datagram Protocol (UDP), and the Internet Protocol (IP). Early versions of this networking model were known as the Department of Defense (DoD) model because the research and development were funded by the United States Department of Defense through DARPA.

Stack machine

In computer science, computer engineering and programming language implementations, a stack machine is a computer processor or a virtual machine in which the primary interaction is moving short-lived temporary values to and from a push down stack. In the case of a hardware processor, a hardware stack is used. The use of a stack significantly reduces the required number of processor registers. Stack machines extend push-down automata with additional load/store operations or multiple stacks and hence are Turing-complete.