Question

Does intra-dc (same dc) data transfer between droplets via ipv6 count towards my network bandwidth?

Posted February 9, 2020 711 views
IPv6

I am trying to get confirmation that data transfer via ipv6 counts towards the network bandwidth quota

There are multiple places in the documentation it mentions clearly that transfer over private ip does not count

https://www.digitalocean.com/docs/accounts/billing/bandwidth/

Any data transfer sent by a Droplet using a public network interface will count against the transfer pool for that Droplet’s account. Data transfer between Droplets over the private network uses a private network interface.

https://www.digitalocean.com/docs/networking/private-networking/how-to/transfer-files/

When using an IP address on the private network, the traffic stays on the private network and doesn’t count against bandwidth usage.

For questions on this forum asking about multiple private ip addresses, the suggestion from DO is to use IPv6 instead since it gives a block of 16 addresses. But I could not find any information on data transfer costs over ipv6

A competitor clearly states intra-dc (same dc) ipv6 transfer does not count towards the quota

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1 answer

Hello!

We do not discern between IPv4 and IPv6 traffic. Any traffic within the same data center over your private network will not count against your bandwidth limits. When IPv6 traffic goes outside the data center, it will count against your allotted bandwidth limit however.

Swimmingly,
Garrett Jansen
Developer Support Engineer
DigitalOcean

  • I don’t follow. It is not clear

    When IPv6 traffic goes outside the data center, it will count against your allotted bandwidth limit however

    This indicates that ipv6 traffic within the same dc does not count to my bandwidth

    However you also say

    We do not discern between IPv4 and IPv6 traffic

    that means any ipv6 traffic even within the same dc counts to my bandwidth

    The link I shared from linode documentation very clear, I am looking for that kind of confirmation

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