IDEA: Optimizing for dialup - reducing connections to provider

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Just a thought...

THE APPLICATION: I'm trying to use nntpcache to improve reading news over a 
dial up line (intermittant connection). It works very well, a substantial 
improvement to running a news reader locally with nntp to the server or 
using suck + inn. I still run suck on a handful of favourite newsgroups to 
pre-load the cache and speed up reading.

THE PROBLEM: I have diald disconnect the ppp connection after a minute of 
inactivity, with nntpcache this gives annoying delays as diald 
reconnects. I have increased the uptime to 2 minutes but it is still 
quite clumsy.

WHAT WOULD HELP: If nntp could assume that all data it has cached 
locally is "good" until some (configurable) time out is reached. 

HOW I WOULD USE IT: I would set the time out to an hour or so. Then a 
crond job would "read" my favourite groups every so often using suck.
When I sit down to read news - no waiting to dial out, nice fast news 
reading. If I decide to skim groups outside my usual focus I get the 
delays while nntpcache pulls down what it needs - but its still way 
faster than setting NNTPSERVER to my providers address and reading news. 

CLOSING: Thanks for reading this far, sorry if this has already been 
hashed out here before. Also sorry if this is really just a verbose 
restatement of the todo bullet "cache GROUP command for small time period 
(say 5-60 minutes)". But most of all thanks for nntpcache.

Matt
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