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RIPE held its 75th meeting in Dubai in mid-October. As usual there was a diverse set of presentations covering a broad range of activities that are taking place on today’s Internet. The topics include issues relating to network operations, regulatory policies, peering and interconnection, communications practices within data centres, IPv6,…
Among many other functions performed by a computer’s operating system, there is typically an interface to a shared local network protocol engine. This means that applications that run within the operating system’s environment don’t need to implement their own network protocol engine, as they can make use of a shared…
The DNS OARC meetings are an instance of a meeting that concentrates on the single topic of the DNS, and in this case it delves as deep as anyone is prepared to go! It’s two days where too much DNS is barely enough! The hot topic of the meeting was…
For some years now (and it has definitely been two years, probably three and maybe longer) we have been working on a process of changing the cryptographic key that signs the Root Zone of the DNS. I wrote about this back in March 2016, describing both the role of this…
Network Address Translation has often been described as an unfortunate aberration in the evolution of the Internet, and one that will be expunged with the completion of the transition of IPv6. I think that this view, which appears to form part of today’s conventional wisdom about the Internet unnecessarily vilifies…
The first part of this article looked at what happens when an authoritative DNS server delivers fragmented UDP responses to DNS resolvers using IPv6. The result from this experiment was that: Some 37% of endpoints used IPv6-capable DNS resolvers that were incapable of receiving a fragmented IPv6 response over UDP.…
The IPv6 protocol introduced very few changes to its IPv4 predecessor. The major change was of course the expansion of the size of the IP source and destination address fields in the packet header from 32-bits to 128-bits. There were, however, some other changes that apparently were intended to subtly…
After pulling out the notes from the IEPG meeting and aspects of the DNS, here are the rest of the items that I personally found to be of interest at IETF 99 last week. IPv6 Operations – Apple’s Happier Eyeballs? The way in which browsers leverage the potential opportunities offered…
Interest in the DNS appears to come in waves. It’s quiet for a few years, then there is a furious burst of activity. We appear to be in the middle of a burst of activity, and there is probably enough material presented at the recent IETF meeting to cover the…
It’s hard to classify the IEPG meetings that occur at the start of the IETF week. Many years ago they had a role in allowing network operators to talk to other operators about what they were seeing and what they were thinking about. Those days are long since over, and…
