FlyerTalk Forums - View Single Post - Delta computers down
Thread: Delta computers down
View Single Post
Old Aug 8, 2016 | 12:45 pm
  #320  
Tibs
 
Join Date: Apr 2011
Location: Chattanooga
Programs: DL, Hyatt, National
Posts: 318
Originally Posted by invisible
Physics is a problem here. For sync replication RTT should not exceed 30ms with all processing time included. Limits to 40 miles radius, requires DWDM and (very) expensive SFPs and cables.
Here's an article from 2012:

http://www.storagereview.com/emc_vpl...e_data_centers.

This might help you adjust your original numbers some. And I've seen this in practice so yeah it works.
Tibs is offline  
Reply