The 25th ACM Symposium on Operating Systems Principles

October 4-7, 2015, Monterey, California, USA

SOSP 2015 Registration

The registration site for SOSP 2015 is now open! Please see below if you're getting a 503 error accessing the site.

The early registration deadline is September 3rd, and on-site registration begins October 2nd. Registration fees (in US dollars) are listed below. Workshop registration is $250, and allows attendees to attend any workshop on Sunday.

 Early (by Sep 3)LateOnsite (starting Oct 2)
ACM/SIGOPS Professional Member$625$750$825
ACM/SIGOPS Student Member$425$550$625
Non-ACM/SIGOPS Member$750$875$950
Non-ACM/SIGOPS Student$525$650$725

A limited number of student scholarships will be available; details will be posted by the end of July, with notification in time to allow students who are not selected for scholarships to still register early.

We have a limited number of discounted or free emeritus registrations available for our colleagues who have retired. Please contact sosp15registration «at» with a request for an emeritus registration code along with a brief (2–3 paragraph) justification (e.g., attendance at prior SOSP events, participation in History Day, etc.). While we're happy to be able to support reduced or free registration for emeritus members of the SOSP community, we regret that we're unable to provide financial assistance with travel and lodging for emeritus attendees.

If you need an invitation letter to obtain a visa to travel to the US for SOSP 2015, please register before you request the invitation letter. The letter will state that you have registered for the conference, but we can't do this until you've actually registered. We need the following information:

Also, please let us know whether you're a presenter (and, if so, which paper), a non-presenting co-author, or just attending, so we can include that in the letter. Invitation letters will normally be sent by email; if you need an original hard copy, please provide a FedEx or UPS account that will accept the charge for delivery along with the physical mailing address to which the letter should be sent. Requests for letters should be sent to the sosp15registration email address below.

Please note that you need to make hotel reservations prior to September 3 to get the SOSP 2015 group rate.

If you get a 503 Error trying to access the SOSP online registration form, please know that this is something beyond our control—RegOnline is the vendor providing registration services. They know about the problem and are trying to fix it; apparently it's been happening sporadically.

You may be able to fix the problem by clearing your browser cache and rebooting the system (it worked for the General Chair, who had this problem). Again, we apologize for the inconvenience, but there's nothing we can do about it beyond ask for help from RegOnline, which we've already done.

Questions about registration should be sent to sosp15registration «at»

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