LiS: Linux STREAMS
The whole TCP/IP stack can be reused; thus, TCP/IP performance with STREAMS is a non-issue. LiS comes with an adapter driver that fits below standard Linux IP and interfaces off to STREAMS drivers using DLPI. Gcom uses this to interface their STREAMS-based Frame Relay and (soon) X.25.
Also, a contributed driver that will be distributed with LiS (sitting in Dave's inbox as of this writing) sits on top of any Linux MAC (mandatory access control) driver as a client and presents a DLPI interface above. Gcom will probably use this driver to interface its SNA (system network architecture) to the Linux token-ring driver.
LiS is licensed using the GNU Library Public License so that companies can port their existing SVR4 proprietary STREAMS drivers to LiS and use them in Linux without having to publish their source code. This is important if we are to encourage companies to support Linux with their “family jewels” products.
It would help if support needed to run LiS could be included in the mainstream kernel. We are referring mainly to the new system calls and other small hooks, not to LiS itself. This support would make it easier for people to download LiS and install it without having to patch the kernel.
Graham Wheeler (firstname.lastname@example.org) obtained his Ph.D. in computer network performance analysis at the University of Cape Town in 1996. He subsequently spent conciderable time developing STREAMS device drivers and modules for protocol translation to enable a number of financial institutions to connect to PayNet, a large electronic commerce payment clearing center. He is a founder and technical director of Citadel Data Security, specializing in Internet firewall and Virtual Private Network software development.
Francisco J. Ballesteros (email@example.com) his Ph.D. in Computer Science in 1998 at the Technical University of Madrid (Spain). He is currently teaching and doing research on distributed and adaptable operating systems at Carlos III University of Madrid in strong cooperation with the Systems Software Research Group of the University of Illinois at Urbana-Champaign.
Denis Froschauer was a significant contributor to LiS development during its early implementation stage.
David Grothe (firstname.lastname@example.org) is president of Gcom, Inc. Gcom produces data communications protocol stacks for UNIX systems, including Linux. Mr. Grothe founded Gcom in 1979 after working for the company now known as Advanced Computer Communications (ACC) where he wrote his first implementation of X.25 in 1977. Prior to that, he was a professional programmer at the University of Illinois Urbana-Champaign.
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