Good points! Yes, they mainly serve residential customers and AFAIK the ratio isn't regulated in Greece. About the heavy users, there is a mechanism in place (semi-automatic) to switch a MAP-E subscriber back to dual-stack (and vice-versa). Also, it should be noted that business customers were not considered for MAP-E inclusion Cheers, Yannis On 10/30/24 1:36 PM, Rinse Kloek wrote:
Hi Yannis,
It all depends on your requirements and the type of customers you are serving. A 1:64 ratio could work very well if you mainly serve residential users. This ratio will provide each user with nearly 1,000 UDP and 1,000 TCP ports, which is sufficient for about 99% of users (since the UDP/TCP ratio is currently around 50/50, thanks to QUIC).
The key factor is how you manage heavy users. Do they get blocked, or are they allocated extra ports?
Additionally, some countries may have specific legal requirements regarding acceptable ratios.
Rinse
On 30-10-2024 12:23, Yannis Nikolopoulos via ipv6-wg wrote:
Hello,
I was (off-line) watching Richard Patterson's presentation about Sky UK's MAP-T deployment. By the way, this is the kind of presentations we should be seeing more of in RIPE meetings.
So anyway, I was taken aback by the IPv4 sharing ratio and I had to do a double take. Richard mentioned that they're using 1:16 in Italy and 1:8 in the UK. In a similar size deployment in Greece (in my previous employer), a few years ago, we had decided on 1:64 (~1000 ports per subscriber) and I'm now wondering if it is outdated or not.
Cheers, Yannis
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