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Hoi, ik ben Iljitsch van Beijnum. Op deze pagina staan alle posts over alle onderwerpen.

Bussen Haags Bus Museum

Image link - posted 2014-06-15 in

→ With the Americas running out of IPv4, it’s official: The Internet is full

My Ars Technica story about ARIN and LACNIC running out of IPv4 addresses.

Permalink - posted 2014-06-12

→ With the Americas running out of IPv4, it's official: The Internet is full

My Ars Technica story about ARIN and LACNIC running out of IPv4 addresses.

Permalink - posted 2014-06-12

BGPexpert.com sponsor: Noction makes BGP make smarter choices

If you haven't seen this TED talk, go do that first: The paradox of choice by Barry Schwartz. Schwartz is a psychologist who talks about how having more choice isn't always a good thing.

This applies to networking, too. If you have a router connected to (say) two ISPs with BGP, for every destination on the internet, your router now has to decide whether to send packets over ISP A or ISP B. If your router consistently makes the right choice, you're better off than someone who is only connected through one ISP. But if your router consistently (or just mostly) makes the wrong choice, your performance will actually be worse than someone connected through one ISP!

Unfortunately, the BGP protocol has a very limited notion of what is best. This means that in practice, it's a good idea to not leave BGP to its own devices, but rather check whether your router(s) at the very least avoid underperforming paths. However, this can be a lot of work.

An alternative is to use a system that automatically optimizes routing performance, such as the Noction Intelligent Routing Platform

Full article / permalink - posted 2014-06-10

As of today, LACNIC is also out of IPv4

Today LACNIC, the registry that gives out IP addresses in Latin America and the Caribbean, effectively ran out of IPv4 addresses, like their colleagues in Asia, Europe and North America before them. Only AfriNIC in Africa is still providing the IPv4 addresses in the amounts ISPs request.

Permalink - posted 2014-06-10

Sponsor: Noction makes BGP make smarter choices

If you haven't seen this TED talk, go do that first: The paradox of choice by Barry Schwartz. Schwartz is a psychologist who talks about how having more choice isn't always a good thing.

This applies to networking, too. If you have a router connected to (say) two ISPs with BGP, for every destination on the internet, your router now has to decide whether to send packets over ISP A or ISP B. If your router consistently makes the right choice, you're better off than someone who is only connected through one ISP. But if your router consistently (or just mostly) makes the wrong choice, your performance will actually be worse than someone connected through one ISP!

Unfortunately, the BGP protocol has a very limited notion of what is best. This means that in practice, it's a good idea to not leave BGP to its own devices, but rather check whether your router(s) at the very least avoid underperforming paths. However, this can be a lot of work.

An alternative is to use a system that automatically optimizes routing performance, such as the Noction Intelligent Routing Platform

Full article / permalink - posted 2014-06-10

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