I and I Computing

Software Consulting and Contract Programming

A wide variety of contract programming and software consulting services, including the following areas of expertise:

General C language programming. Rapid Unix shell and Perl scripting. Web-based GUI implementation (Perl/PHP) Software application architectures. Unix API programming. Coding servers for TCP/IP, UDP, IP protocols. Porting, configuration, and debugging of "Open Source" C and Unix software.

Test suite design (testing of software, servers, hardware, protocols, etc.) Compiler design and validation - strong understanding of compiler internals. Programming language design. Embedded systems implementation and operating requirements. Micro-controller assembler languages.

Network Design, Consulting, and Troubleshooting

A wide variety of network design, consulting, and troubleshooting services, including the following areas of expertise:

Switched IP network core design using 10/100BaseT and Gigabit Ethernet. Cisco router configuration and basic performance tuning. Implementation of scalable load-balanced server clusters ("replicated server clusters" or "hyper-clusters") via L4 Ethernet load-balancing switches. Configuration of L4 load-balancing switches (e.g. Foundry ServerIron.)

Network monitoring via SNMP (using MRTG, Cricket, etc.) Strong understanding of server, storage, and network performance trouble-shooting and design issues. Internet routing configuration, including multihoming with BGP4. Web caching service (including "transparent" caching) via off-the-shelf "appliance" or open source software.

Systems Design, Administration, and Consulting

A wide variety of Unix system design, consulting, and troubleshooting services, including the following areas of expertise:

Ground-up integration and detailed configuration of BSD Unix variants (FreeBSD, OpenBSD, and BSD/OS). Basic Linux installation/administration. Sound working knowledge of other Unix variants including Solaris, HP-UX, general "System V". Specification and integration of high-performance Unix server hardware using off-the-shelf PC components. Apache web server software tuning and CGI performance.

Customization of FreeBSD operating systems, including embedded targets. Open source firewall software options. Basic reliability and security audits of Unix Internet server configuration under BSD/OS, FreeBSD, OpenBSD, and Linux. Domain registration, copyright, and related Internet intellectual property issues. And many other specialized areas...