Harhan is an engineering services company specializing in digital hardware
and system software for computing and communication systems.
More specifically, we offer our expertise in the following areas:
- System-level programming in assembly and C on processors ranging from
PDP-11 to PowerPC.
- Embedded systems, both embedded Linux as well as running OSless on the
bare metal.
- Support for legacy versions of UNIX: original PDP-11 UNIX, Berkeley VAX
UNIX, DEC Ultrix-32, SunOS version 4 and earlier, other systems of similar
vintage.
- Miscellaneous microprocessor-based systems: hardware design, board
bring-up, boot ROMs, debug monitors, hardware abstraction layers, optional RTOS.
- Data networks and telecommunications: we specialize in
classic non-Ethernet telecom/WAN technologies: various physical layers
(synchronous serial, DS1, DS3, ISDN, xDSL), both packet-based and ATM
configurations,
various protocols and encapsulations.