Stepladder IT
Training+Consulting GmbH
— Benedikt Stockebrand —

Benedikt Stockebrand—Vita


NameBenedikt Stockebrand
DegreeDiplom-Informatiker (Uni Dortmund 1998), equivalent MSc in computer science
Contact benedikt.stockebrand(at)
Land Line: +49 (0) 69 – 247 512 362
Mobile: +49 (0) 177 – 41 73 985
Fichardstr. 38 — 60322 Frankfurt/Main — Germany
Current Position Freelance Consultant and Trainer
Geschäftsführer of Stepladder IT Training+Consulting GmbH
(equivalent to a managing director of a Ltd)
Specialties IPv6 (especially deployment/migration and operations, since 2003)
IT architecture (up to TOP500 systems)
Internet of things (IoT, since 2014)
General Expertise IT operations
IT infrastructure
Unix (Solaris, AIX, Digital Unix/Tru64, Linux, BSD, and others)
Networks (Cisco and others,, Routing, Switching, Firewalls)
IT security, especially security architectures
Professional Organizations
  • RIPE (Reseaux IP Europeen, currently co-chair of the IPv6 Working Group)

  • IETF (Internet Engineering Task Force, participating as time permits)

  • German IPv6 Council

  • CrypTech project during the development of the hardware random number generators actively involved, currently only passively monitoring the progress

Books IPv6 in Practice—A Unixer's Guide to the Next Generation Internet
Springer, 2007, 424 pages.
Talk Manuscripts,
and Presentation Videos
IT Architecture and Operations:
IT Security, Trustworthy Hardware and Cryptography:
Plus another 40+ talks without full manuscripts or videos (details below).
Various, with the German Unix User Group (GUUG), especially
Video-Blog BIVBlog: Benedikt's IT Video Blog
Topics include
Industry Experience Internet service providers (T-Online/Deutsche Telekom and others)
Banks and financial services (Dresdner Bank, SWIFT and others)
Public sector (BSI, BVA, BMI/BDBOS, HZD and others, details on request)
IT security product industry (GeNUA, NCP and others)
Hardware and software industries (Lucent, Texas Instruments and others)
Data center operators (T-Systems, PPI and others)
IT contractors (SIS, BWI and others)
and more


Recent Projects
Hessische Zentrale für Datenverarbeitung (HZD, 2017–today)
(Data center operator for the state offices in Hesse, Germany)
Technical Lead IPv6
Program Manager IPv6
Project Lead of initial IPv6 pilot project
  • Development of a technical and organizational IPv6 deployment strategy
  • Evaluation of previous deployment efforts
  • Re-initiation of IPv6 program
  • Technical and organizational coordination of infrastructure and pilot projects
  • Overall technical lead ("Resident IPv6 Guy")
  • Project lead of the initial ("trailblazing") pilot project
  • Coordination with other government offices (both municipal and federal level)
  • Training and advising on advanced IPv6 related topics
Deutsche Vermögensberatung (2017)
Various technical cleanups during/after moving the headquarters and datacenter, including
  • Advanced network troubleshooting
  • Urgent/security-related overhauls
Deutsche Vermögensberatung (2014–2016)
IPv6 deployment, including
  • Technical side of project project management
  • Moderation and technical coordination between the teams/departments involved
  • Analysis of the existing systems
  • Analysis of the existing organizational units
  • Identification of necessary actions
  • Risk analysis and assessment
  • Estimation of efforts/resources needed
  • Deployment strategy planning
  • Analysis of existing software (in-house development and standard software)
  • Creation of a procurement requirements document
  • Set up of a test environment
  • Training of all organizational units involved
  • Technical tutoring of all organizational units
RWE Effizienz/now Lemonbeat GmbH (2015)
Development of an IPv6 based IoT protocol (LsDL)
  • Counseling on standardization aspects, especially with regard to the Internet Engineering Task Force (IETF)
  • Editorial support with the documentation
  • Development of optimization recommendations
  • Analysis and assessment of the existing protocol draft
Consulting and Workshops Highly diverse customers, including
  • Federal Office of Administration (Bundesverwaltungsamt), Cologne/Germany
  • BWI-IT, Cologne/Germany
  • Burda, Offenburg/Germany
  • Deutsche Telekom AG, various business units and locations
  • Deutsches Studentenwerk, Frankfurt/M and Freiburg, Germany
  • e-Data, Leonberg/Germany
  • EuroData, Saarbrücken/Germany
  • FIZ, Karlsruhe/Germany
  • GeNUA, Kirchheim near Munich/Germany
  • Geberit, Jona, Switzerland
  • Gematik, Berlin/Germany
  • Helinet, Hamm/Germany
  • interActive Systems, Berlin/Germany
  • Jambit, Munich/Germany
  • Kaspersky Labs, Ingolstadt/Germany
  • Knott, Eggstätt/Germany
  • KnowledgeCom, Kuala Lumpur/Malaysia
  • LPBK (Landesamt für zentrale Aufgaben von Polizei, Brand- und Katastrophenschutz), Schwerin/Germany
  • Landesbetrieb Daten und Information (LDI), Mainz/Germany
  • Lucent Technologies, Nuremberg/Germany
  • Max-Planck-Gesellschaft, Saarbrücken/Germany
  • NCP, Nuremberg/Germany
  • OBI Smart Technologies, Wermelskirchen/Germany
  • Open Systems, Zurich/Switzerland
  • PPI, Hamburg/Germany
  • SIS, Erlangen/Germany
  • SWIFT, La Hulpe/Belgium
  • Sanofi, Frankfurt/Germany
  • Texas Instruments, Berlin/Germany
  • und andere
Particularly Interesting
Projects before 2014
Dresdner Bank (2007), including
  • Authoring a guideline on secure software development
  • Porting a core network security infrastructure suite
  • Subproject lead
T-Online (2000—2002), including
  • Architecture design and installation of a large grid system (today a "private cloud"), also subproject lead "operations" during installation
  • Planning and installation of a TOP500 cluster
  • Rework of the data center infrastructure (including the introduction of install and terminal servers), including technical coordination
  • Rework of the, including technical coordination
  • Various highly diverse smaller projects
  • Frequent "firefighting" tasks
  • Development and documentation of in-house standards
  • Several security projects (details withheld for obvious reasons)
  • Transition of new systems into regular operation at T-Systems
Public Workshops with/for Various training operators, including
  • Linuxhotel
  • Heise Events
  • Ordix AG
  • Vogel IT
  • Men and Mice (Iceland)
  • KnowledgeCom (Malaysia)
Product Experience Network
  • Cisco Routers and Switches
  • Cisco ASA
  • Firewalls based on Unix (iptables/ip6tables, pf)
  • Unix (Linux, BSD) based load balancers
  • Dynamic routing protocols with Linux (Quagga)
  • Various other manufacturers
Server Hardware
  • SUN Microsystems (Workgroup and Enterprise servers, various storage systems)
  • IBM (pSeries, BladeCenter, ...)
  • Intel/AMD based systems (HP, Siemens, various BtO, ...)
  • SUN/StorageTek tape libraries (Timberwolf, Powderhorn, L700, ...)
  • QNAP NAS systems
  • ... and many more
Operating Systems
  • Linux (Debian, CentOS, Scientific Linux, Ubuntu, ...)
  • BSD (FreeBSD, NetBSD, OpenBSD)
  • Solaris (2.5.1–10)
  • AIX
  • Tru64
  • ... and various others
  • Monitoring: Nagios, Icinga, Zabbix, MRTG, Cacti, ...
  • Provisioning/Orchestration: Puppet, Ansible, ...
  • Configuration Management: GIT, SVN, CVS, Rancid, ...
  • File Server/Volume Management: ZFS, NFS, SMB/Samba, LVM, ...
  • Backup: Legato Networker, Veeam, ...
  • Virtualisierung: VMWare (Workstation, Server, ESX), VirtualBox, KVM, Xen, FreeBSD Jails, ...
  • Mail servers: Exim, Postfix, Dovecot, Courier, ...
  • Web servers and proxies: Apache, Squid, FFProxy, ...
  • and more...
Software Tools
  • Documentation: Visio, Confluence, DokuWiki, TWiki, ...
  • Change Management: Jira, ARS Remedy
  • Debugging: Wireshark, DTrace, ...
Programming Languages
  • Bourne Shell/Bash
  • Ruby
  • Perl
  • Java
  • D
  • C
  • C++
  • and various exotic ones...
Additional Publications IPv6 related articles in the iX magazine (Heise publisher):
Additional Talks and
Conference Workshops
Without Video
or Manuscript
  • IPv6-Grundlagenvortrag (link no longer available)
    Lehmanns Media, Hamburg/Germany

  • IPv6 mit Unix: Eine praktische Einführung
    GUUG (German Unix User Group) Frühjahrsfachgespräch, Osnabrück/Germany, two day tutorial
Area of Operations World wide
Languages German (native speaker)
English (business fluent)
French (basic high school training)

2019-09-29 Contact/Impressum/Legalese Copyright © 2019 Stepladder IT Training+Consulting GmbH