XKL, LLC
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| Private | |
| Industry |
Telecommunications Optical networking Computer Networking |
| Founded | 1991 |
| Founder | Len Bosack |
| Headquarters | Kirkland, Washington, U.S.A |
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Area served
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Worldwide |
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Key people
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Len Bosack and Sandra Lerner |
| Products | Darkstar Optical Network Hardware |
| Website | www |
Based in Redmond, Washington XKL, LLC, was founded in 1991 and develops optical transport technologies. XKL is led by Cisco Systems co-founder Len Bosack who also used to work for DEC and Bell Labs. Under Bosack, Cisco commercialized local area network (LAN) technology to connect geographically to computers over a multiprotocol router system.
In its earliest days, XKL built a compact, modern replacement (TOAD-1) for a massive mainframe computer system (PDP-10) that had gone out of production. The challenge at the time was to find a mainstream usage for a totally new technology: a platform with a desktop-sized footprint, but incorporating technology that would bring the system into the 21st century.
XKL deployed DarkStar technology that allows enterprises to take advantage of higher reliability and allow for more control over IT resources at a lower cost. The “plug and play” system allow data network engineers to deploy their own optical transmission systems in metro, regional and long distance networks.
The TOAD-1 System, also known as TD-1, was announced in 1993 and built as an extended version of the DECSYSTEM-20 from Digital Equipment Corporation. The original inspiration was to build a desktop version of the popular PDP-10 and the name began as an acronym for "Ten On A Desk". It was eventually built at XKL by veteran engineers from Cisco, DEC, Hewlett-Packard, and CDC.
It was the first XKL product produced and it became available for purchase in late 1995. The TOAD-1 is a high-performance I/O oriented system with a 36-bit processor running TOPS-20. It is a 36-bit multi- user system that can provide service to over 100 users at a time. The TOAD-1 architecture incorporated modern peripherals, and open bus architecture, expanded physical and virtual memory while maintaining the TOPS-20 user environment.
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