Greg Ferro

Author Archives: Greg Ferro

DNS Flag Day 2020 – ISC

The DNS protocol needs refreshing but a global, distributed database is not easy to change. The folks leading the DNS architecture are making small but substantial changes once per year. There is a non-zero but small risk that something will break for some people.  This year they are addressing DNS Fragmentation on UDP and required […]

Musing: Hidden Complexity of Dual SIM Phones

It hadn’t occurred to me that having Dual SIMs in a smartphone has hidden aspects of complexity. In this slide, having multiple SIMs means thinking about activity – are both SIMs active at all times ? If so, are you willing to incur the battery and product penalty to have dual radios operating simultaneously.  Or […]

My Thoughts on LinkedIn in 2020

LinkedIn originated with a focus on connecting professionals and contacts were supposed to be people that you know or worked with. The early team worked hard to build a monopoly/network effect around business connections.  Much of LinkedIn’s interface usability stems from that design intention. Now there is tension between what was LinkedIn was 10 years […]

Virtual Open Office Hours – Mid September 2020

Virtual Open Office is a chance for people to gather and discuss any topics you find interesting. Open to Anyone. No cost or commitment. Just a chance to sit around and talk, like you were in the corridor at a conference.  I’ll be there with a coffee/tea or a beer/cocktail (as appropriate) Tuesday, September 15, […]

Heavy Networking 536: Arrcus Reimagines The Chassis Router With Its Virtualized Distributed Router (Sponsored)

Today's Heavy Networking dives into sponsor Arrcus's Virtualized Distributed Router, new software that transforms the monolithic chassis that can scale to thousands of ports while being operated and managed like a single device. Our guests are Murali Gandluru, Keyur Patel, and Nalin Pai from Arrcus.

The post Heavy Networking 536: Arrcus Reimagines The Chassis Router With Its Virtualized Distributed Router (Sponsored) appeared first on Packet Pushers.

Virtual Open Office Hours – Late August 2020

Virtual Open Office is a chance for people to gather and discuss any topics you find interesting. Open to Anyone. No cost or commitment. I’ll be there with a coffee/tea or a beer/cocktail (as appropriate) Tuesday, Aug 25, 1000BST/0900UTC intended for European, Australia/Oceania and East Asian Friday, Aug 28 2000BST/1900UTC which might suit people in […]

Background on Stuxnet

The story of Stuxnet, the first cyber weapon in history. Focus is on the manipulation of machinery at Natanz, with detailed explanations of machine configuration and operation. A few takeaways for myself after watching: The Stuxnet software impacted the Iranian nuclear program by damaging the project budget. Instead of blowing up the centrifuges, they increased […]

The post Background on Stuxnet appeared first on EtherealMind.

Heavy Networking 533: Packet Pushers Roundtable – SD-Branch, BGP Over QUIC, Bandwidth Avoidance

Today's episode assembles the Packet Pushers to wrangle over a grab bag of ideas including the evolution from SD-WAN to SD-Branch, new compression standards to preserve Internet bandwidth, and the pros and cons of BGP over QUIC.

The post Heavy Networking 533: Packet Pushers Roundtable – SD-Branch, BGP Over QUIC, Bandwidth Avoidance appeared first on Packet Pushers.

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