Eyonix over at Blizzard has posted some information regarding a planned update to the authenication system, which will hopefully resolve the authentication issues many realms have been experiencing recently

We wanted take a moment to update you on the situation concerning the improved authentication platform we mentioned in the post linked to below.

Click here for the link!

For several months now we've researched potential authentication upgrades and evaluated how those system changes could be implemented with minimal impact on our service. We recently decided on a specific authentication solution and are currently taking the necessary steps to implement the associated hardware and software. The new platform should help alleviate the login issues that players have experienced, including both forum- and game-login processes.

Additional information on our new authentication platform, as well as an ETA on when the installation of the platform will be finalized, will be provided next week.

You can read the rest of the thread here!