each solution posted has it's advantages and faults. Unfortunately, in
real life we still have to deal with IE6, which has a 2 connection
limit per host. Some packages may have found a clever work-around to
this issue. REAL Comet is not widely implemented in a
consistent way ( it doesn't work with mod_jk ) and since you are
calling php, your best bet is a Timer, you don't tie up one of IE6's
2 connections, but it's not immediate when the DB is modded. re-
evaluate your update criteria, frequency. Modify your RPC's to bundle
data
and DB freshness in your DTO's, and handle it centrally.

Welcome to asynchronous.
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