Migrating from EC2-Classic to VPC with zero downtime(playfab.com) |
Migrating from EC2-Classic to VPC with zero downtime(playfab.com) |
That is no longer true. In December 2014 Amazon launched ClassicLink, which lets you add EC2-Classic instances to VPC security groups.
https://aws.amazon.com/blogs/aws/classiclink-private-communi...
https://github.com/Instagram/neti
And the blog article:
http://instagram-engineering.tumblr.com/post/89992572022/mig...
Now, Instgram's path was AWS EC2-Classic -> AWS VPC -> FB, however it is still relevant.