> As someone whose business relies on Linode currently to function
Perhaps its time to consider some failover at another host. Same goes for anyone solely dependent on anyone.
Perhaps its time to consider some failover at another host. Same goes for anyone solely dependent on anyone.
Say I have one server setup on Linode London and one duplicated on DO Amsterdam. How do I quickly re-route the traffic from my two main load balancers London to Amsterdam without much propagation time?
* This is for an answer for the average "Hey I run a website or two" question. If you're asking and you are dealing with financial transactions or ad networks, well, you're asking in the wrong place and you should probably hire someone that knows how BGP anycasting works.
Eh, usually you just bgp anycast the DNS server. If you anycast just your DNS server, you are pretty much in the same pickle as if you host your dns with someone else who runs a reliable dns server (and have them do the anycast) - the pickle is that there's a minimum ttl.
Now you can set up a redirector server and anycast that, and like 3xx redirect all your requests (or more often just the first request) and that's better, really, 'cause that redirect can be changed quickly and on a per-request (or more often per-session) basis... but while I know a thousand companies that will sell you anycast DNS service, I don't know anyone who will sell someone with a vps customer budget an anycast'd redirector service.
Because they physically route the traffic, you can change backends pretty quickly and have traffic going to the new destination within seconds or minutes. Using DNS for end-users just has too much unpredictable latency, but it works well for routing the backend.
What happens with 1/10 second's database records not replicated? That could be a successful transaction on one, and no record of it on the other?
You can use a multi-master setup and strict consistency checks, though.
CloudFlare doesn't offer VPS instances. Google and Amazon are in a league of their own and, last I checked, don't offer the similar services at the same prices with the same level of support and same controls. Amazon might send you a nice bill at the end of the attack depending on what type it was.
DigitalOcean, as an example, routinely receives DDoS attacks and will just nullroute your VPS automatically until the attack ends.