aan man page on Plan9

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AAN(8)									AAN(8)

       aan - always available network

       aan -c [ -d ] [ -m maxto ] dialstring
       aan [ -d ] [ -m maxto ] netdir

       Aan  tunnels traffic between a client and a server through a persistent
       network connection.  If the connection breaks (voluntarily  or  due  to
       networking  problems),  the aan client re-establishes the connection by
       redialing the server.

       Aan uses a unique protocol to make sure no data is ever lost even  when
       the connection breaks.  After a reconnection, aan retransmits all unac‐
       knowledged data between client and server.

       A connection can be broken voluntarily (e.g. by roaming	over  IP  net‐
       works),	or  a  connection can break when the IP service is unreliable.
       In either case, aan re-establishes the  client's	 connection  automati‐

       When  the  server  part has not heard from the client in maxto seconds,
       the server part of aan exits.  The  default  maxto  is  one  day.   The
       client  side  (option -c) calls the server by its dialstring, while the
       server side listens for connections in  the  already-announced  network
       directory netdir.

       Aan is usually run automatically through the -p option of import(4).

       Assume  the  server  part  of  aan  is  encapsulated in exportfs on the
       machine sob and started through aux/listen as follows:

	      netdir=`{echo $3 | sed 's;/[0-9]+$;!*!0;'}
	      exec exportfs -a -A $netdir

       Then machine astro6's name space can be imported through aan using this

	      import -p astro6 / /mnt/term

	      Log file


       import(4), exportfs(4)

                             _         _         _ 
                            | |       | |       | |     
                            | |       | |       | |     
                         __ | | __ __ | | __ __ | | __  
                         \ \| |/ / \ \| |/ / \ \| |/ /  
                          \ \ / /   \ \ / /   \ \ / /   
                           \   /     \   /     \   /    
                            \_/       \_/       \_/ 
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