netgraph
netgraph is the graph based kernel networking subsystem of FreeBSD since 3.4 and DragonFly BSD since the fork from FreeBSD.[1] Netgraph provides support for L2TP, PPTP, ATM, bluetooth using a modular set of nodes that are the graph.
Netgraph has also been ported on other Operating Systems:
- NetBSD kernel 1.5V[2] (not integrated into mainline kernel)
- Linux kernel 2.4 and 2.6 by 6WIND (Commercial closed source port)
- Linux kernel 3.0 by LANA
History[]
Netgraph was originally designed and implemented at by Julian Elischer and Archie Cobbs for the Whistle InterJet small office router product. The purpose of the project was to create a flexible framework for implementing new networking protocols. Key requirements included the ability to prototype with user-space programs while still retaining the ability to interact with data flows normally hidden within the kernel.
References[]
- ^ "netgraph.4". Super User's BSD Cross Reference. DragonFly BSD. 2014-12-12. Retrieved 2019-03-04.
- ^ Barnim Dzwillo, tech-net mailing list, 2001
External links[]
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