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Today, any device is networked, not only our personal devices, but anything from the fridge to the power plant. This implies endless possibilities, but also possibilities galore for anything to go wrong. Decades of thorough theoretical and hands-on experience enables me to guide you toward the right solution for anything networked. Learn more…


Recent technical essays

  • Reproducible AI Image Generation: Experiment Follow-Up

    Inspired by an NZZ Folio article on AI text and image generation using DALL•E 2, I tried to reproduce the (German) prompts. Someone suggested that English prompts would work better. Here is the comparison.
  • Web3 for data preservation? (Or is it just another expensive P2P?)

    Drew Austin raises an important question in Wired: How should we deal with our accumulated personal data? How can we get from randomly hoarding to selection and preservation? And why does his proposed solution of Web3 not work out? A […]
  • «The Cloud» does not exist

    What is cloud anyway? And why are not all clouds the same? An overview to create clarity. The topic of the cloud is currently on everyone’s lips again, and decisions are pending in many places. Clarity is essential for assessing […]
  • Rejuvenation for Pro Senectute through NFT and Metaverse?

    Pro Senectute beider Basel, a foundation to help the elderly around Basel, launched its NFT project last week and already informed about its Metaverse commitment beforehand. According to a media release, Michael Harr, managing director of the 15-million Basel-based company, […]
  • What is an NFT, behind the scenes?

    „NFT“ is currently on everyone’s lips again, and not only because of Pro Senectute. But what is actually behind the full-bodied promises of the NFT advocates? For more insights on NFTs and the entire blockchain ecosystem, click here. You can […]
  • Offline digital cash?

    The question of using digital money in the event of a network outage comes up again and again. Here is an overview of the options and their pros and cons.
  • The NFT Danger Zone

    Susanna Petrin closes her NFT experiment with a dystopia of life after we destroyed our environment: Admiring our NFTs while strolling through the metaverse. I hope we can avert both.
  • A business-driven blockchain evaluation flow chart

    Yesterday, Rene Jan Veldwijk posted a blockchain decision flowchart he had previously used in a presentation.

All blog posts…

Themen

Apache (4)
Blockchain (14)
Cloud Storage (11)
Data Protection (5)
Denial of Service (8)
DNS (11)
DNS-SD (6)
DNSSEC (6)
Fast Routers (20)
Federated Services (6)
Forwarding Lookups (4)
FPGA (4)
Hash Tables (8)
Identity Management (6)
Internet of Things (8)
Intrusion Detection (6)
JSXC (10)
Linux (19)
Mac OS X (5)
Mobile Networks (7)
MPLS (4)
Multicast (15)
NAT traversal (4)
Network Processors (4)
NTP (6)
NTS (6)
Opportunistic Networks (9)
Peer-to-Peer (23)
Privacy (14)
Quality of Service (9)
Replication (4)
Security (49)
Service Discovery (5)
Social Networks (8)
Timestamps (6)
TLS Interposer (6)
Traffic Engineering (9)
Trust (8)
Ubuntu (7)
Usability (6)
Web Applications (11)
WISEchat (5)
XML (8)
XMPP (11)
Zeroconf (6)

Software