anchor.diff:  1. Node 1. sends *command_id* *4* (tpconnect()) to Node 2. The *0x1177* (*reply_to*)
   tag is filled with the client's conversation queue name.
   
  -2.1. Node 2. sends *command_id* *6* accept message to Node 1. The MBUF reply buffer
  +2. Node 2. sends *command_id* *6* accept message to Node 1. The MBUF reply buffer
   contains *STRING* buffer which contains local queue name which server has
  -created for this particular conversation.
  -
  -2.2. If the Node 2. decides to reject the conversation for some reason, the
  -*command_id* *6* must be sent back with tag *0x1195* (*sysflags*) containging
  -the flag *0x00000001* (system error.)
  +created for this particular conversation.  If the Node 2. decides to reject the conversation 
  +for some reason, the *command_id* *6* must be sent back with 
  +tag *0x1195* (*sysflags*) containging the flag *0x00000001* (system error).
   
   3. Node 1. (or Node 2.) depending on *flags* *TPRECVONLY* flag sends the data to other node
   with  *command_id* *5*. Tag *0x1177* (*reply_to*) contains the destination conversation queue
  
positive.code: |0x1271|usrname_isnull|INT1|Mand|0|14|If set to *1*, Indicates that *usrname* is 
  part of broadcast destination matching. If no matching is used, value *0* must be used.
  This is reserved for future use and shall be set to *0*.
  |0x127B|cltname|STRING0..60|Mand|Empty|14|Client binary naem used for broadcast matching.
  |0x1285|cltname_isnull|INT1|Mand|9|14|If set to *1* indicates that recipients shall
  be matched by process name. If set to *0* *cltname* matching is not used.
  |0x1299|reply_to|STRING0..128|Mand|N/A|Any|Caller queue identifier.
  
negative.code: 
  Example client connects, sends a data to server, then server sends a data back to client and server returns:
  
  image:ex_netproto_conv.png[caption="Figure 6: ", title="Conversation session example"]
  
  ===== Events
  
  