NDSU Modem Pool Usage Statistics

The values in the table below in the "users" column are the percentage of users who would be affected at least once per week by a time limit of x hrs. The "port hrs freed" column is the percentage of peak hours that would be freed up by a time limit of x hrs (assuming that people didn't just dial back in right away).

time limit	users	port hrs freed
3.0 hr	6%	0.0%
2.5 hr	8%	10.4%
2.0 hr	12%	14.2%
1.5 hr	19%	22.7%
1.0 hr	36%	33.7%

Notes

• There were 16,216 connections, and 2,463 different users during peak time.
• There were 33,631 connections, and 2,775 different users throughout the whole week including the non-peak times.

The information in the table below shows the number of sessions by length in minutes, the number of port hours used by those sessions, and the cumulative port hours gives the port hours used by sessions of that length and shorter.

Length (Mins)	Sessions	Port hours	Cumulative port hours	Graph of Number of Sessions
00:00	8444	2111	2111	**********************************************
00:15	3250	1625	3736	*********************
00:30	1574	1180	4916	**********
00:45	926	926	5842	******
01:00	713	891	6733	****
01:15	359	538	7272	**
01:30	216	378	7650	*
01:45	156	312	7962	*
02:00	179	402	8365	*
02:15	69	172	8537
02:30	52	143	8680
02:45	145	435	9115
03:00	133	432	9547
03:15	0	0	9547

Notes

• All the above numbers are for peak time.
• The average session length is 25 minutes.
• The average user has at least one session lasting 54 minutes every week.
• On average users have 6.6 sessions per week.
• The average user is connected for 2.9 hours per week. (Total of all sessions)
• Users have a mix of long and short sessions during the week.

Beginning of statistics