Hi Tobias!

On Friday, March 7, 2025 10:53:43 AM CET Tobias Fiebig wrote:
> Btw, does somebody know someone working for LGI/Liberty
> Global? Fixing their fragment dropping would make a lot of things a lot
> better in those stats.

[red.]

> https://rincewind.home.aperture-labs.org/~tfiebig/mtu/frag-drop-nl.png
> 
> Listing this by AS, it is clear that LGI/AS33915 is the main culprit
> here, providing Internet for a large portion of people in the
> Netherlands via its subsidiary Ziggo. However, this aggregation
> approach highly skews the country stats; We have to convince one
> operator to properly handle fragments, not half a country.

Yesterday I went to the Netherlands, and stumbled upon a Vodafone/Ziggo 
establishment. After considering its usefulness for a while, I went inside and 
talked to some of its clerks. The first employee I spoke to said that he was 
only working there for 2 days so far, and that he did not feel qualified to 
comment on this email.

The second employee I spoke to, took me to the back of the store, and asked 
about the credentials of both myself, you, and the IETF. I showed him this 
email, and explained to him my relationship to the IETF. That we are in charge 
of making the standards of the Internet, and that we participate as individual 
volunteers (be it on corporate payroll and identity, or otherwise). Being very 
focused on traditional corporate hierarchy and uninterested in the technical 
bits, I could not convince him to divulge a technical contact to forward this 
discussion to.

Additionally, I told him about Liberty Global, and Ziggo's relationship 
towards them as their parent company. He did not acknowledge that, only 
accepting that for their sibling company Vodafone. Clearly being in the wrong 
place at the wrong level, eventually I just left. If there is someone that's 
known in Liberty Global or Ziggo's technical department, I'd also like to 
know.

> Furthermore, this pattern continues across countries:
> 
> For PL, IE, SK,  the root cause is AS6830 (LGI).
> For CH, the root cause is AS6730 (Sunrise, behind LGI).
> For BE, the root cause is AS6848 (Telenet BV, behind LGI).
> ...

Being Belgian, Telenet is another organization that I could try to get a 
foothold in, this time hopefully with a few more insiders. I do know a couple 
of people there, and I'll try to reach out to them. I suppose the purpose of 
this email is to emphasize the importance of insiders here. The boots on the 
ground are useful for sure, but clearly not the target here.

Additionally, I wouldn't mind coordinating this further in private, or even in 
person. While IETF 122 in Bangkok is a steep threshold for me, the general 
region of Central Europe is not. So if it would be useful to meet up somewhere 
in the Netherlands, sure!

-- 
Met vriendelijke groet,
Michael De Roover

Mail: i...@nixmagic.com
Web: michael.de.roover.eu.org


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