Below is a list of google servers and what they run. The google invasion continues.
gws aka The Google web server, which many say is a modified version of the apache web server. It runs google, google mobile, labs, analytics.
Further down every time you see “fe”, the “fe” stands for front end. Which possibly is a front end to the GWS.
gfe/1.3 : Google Front End, running orkut, gmail, calendar, picasaweb, docs, reader, sites, desktop and notes.
nginx : nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev. Panoramio runs on Nginx.
mfe Google maps
nfe/1.0 Google news
gws-grfe/0.5 Google groups
ofe/0.1 Google books
gws/2.1 Google scholar
bsfe blogsearch.google.co.in
apache youtube,
youtube still runs on apache.
vsfe_1.0 video.google.com
psfe Google alerts
directoryfe Google directory
codesite_static_content code.google.com, don’t know what this is!
google labs.google.com
CoMINST/1.0 pack.google.com, same here, unknown.