ce</A
></DT
><DT
>25.5.5. <A
HREF="hot-standby.html#HOT-STANDBY-CAVEATS"
>Caveats</A
></DT
></DL
></DD
></DL
></DIV
><P
>  Database servers can work together to allow a second server to
  take over quickly if the primary server fails (high
  availability), or to allow several computers to serve the same
  data (load balancing).  Ideally, database servers could work
  together seamlessly.  Web servers serving static web pages can
  be combined quite easily by merely load-balancing web requests
  to multiple 