• mobile networks, network protocols, SS7, IP, IPv6, MPLS, Sigtran.
- Author of [login to view URL]
• embedded, lowlevel hardware software development networking
• Networking protocols and their security & penetration testing
• Operating Systems: Unix (Linux, AIX, HP/UX, Utrix, Solaris...), OS X, IOS, Windows, MS-DOS, ...
• Languages: Objective C, C, C++, Java, PHP, Pascal, Business Basic, bash, sh, Java, Perl, Forth, Assembler, SPS, ...
• DB: MySQL, PostgreSQL, 4th Dimension, Sybase, Oracle, Redis, SQLite
• Networks/Protocols: IP(v4/v6), SS7, Sigtran, AppleTalk, DECnet, Novell, AX.25, X.25, IBM SNA, NetBEUI, IPSec, VPN, DHCP, DNS, TFTP, GSM, UMTS, FramrRelay, ATM, VoIP, ISDN, SMPP
• Tools & Methods: Kannel, Apache, PGP, llvm, clang, gcc, Xcode, php, Agile Development, Scrum, Canban, Jira, Confluence, UniversalSS7 (author), Multithreading, Parallelisation