User:Sj/Use cases
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some more tricky cases.
at school
- at school 5 days a week 30 weeks a year. can come back outside of school hours another 4-5 days a month.
- Connected to a school server > 60% of the day
- Has ~20M of memory and ~50M of disk for transient use?
- Has access through the school server to a shared 56k up/downlink [100 ways] for 1-2 hours a day five days a week
at home
- every day for >8 hours
- within 1km of a shared power source (may not be free; say a car battery multiplexer or bike generator)
- within 300m of at least 1 other XO in 50% of cases
- NB: not always coming back to proximity of a server in the near future.
- regularly a) not going to be in range of a server in the next few days but b) in range of another XO
socializing
- every day for >1 hour
- within 300m of a half-dozen XOs
- regularly not going to be in range of a server in the successive few days
school server
- an access point for 30-100 XOs, sharing a 56k to 2mbps line
- storage of 50-200GB for a digital library and backups
- regularly part of a 3-server setup, one per channel