Tech Note #37: Introduction to the TOAD
TM
Protocol
©
1998 Bionic Buffalo Corporation; All Rights Reserved.
12 June 1998
http://www.tatanka.com
Page
5 of 13
When a unicast request is received from some other node for objects contained by the
node, the containing node will respond to allow use of the objects. (Response is
contingent upon security and other constraints.)
Mode 3: Request Mode
In Request Mode, the node broadcasts requests for objects of any specific class needed
by the node, possibly with specific property values. It may also broadcast requests for
specific objects. Broadcasts are made to a well-known port.
request-
mode
client
broadcast requests
for objects of a
specified class
unicast response from
node which contains
object of the specified
class
request-
mode
server
When a unicast request is received from some other node for objects contained by the
node, the containing node will respond to allow use of the objects. (Response is
contingent upon security and other constraints.)
Mode 4: Advertising Mode
In Advertising Mode, the node advertises the objects it contains, by using broadcast
messages sent to a well-known port. The objects are advertised by identifier and by
class.