Theme: Data transmission based on channel and packet switching

The composite channel

Communication constructed by switching (connection) of elementary channels, called a composite channel.



1-picture. Compound channel

The properties of the composite channel:

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  composite channel throughout its length is made up of the same number of elementary channels;
  
• 
  composite channel has a constant and fixed bandwidth throughout its length;
  
• 
  composite channel is created temporarily for the period of the session two subscribers;
  
• 
  at the session, all the basic channels that are included in the composite channel, enter the exclusive use of subscribers, for which the composite channel has been created;
  
• 
  during the communication session in the subscribers can send network data rate not exceeding a channel capacity of the composite;
  
• 
  data received in a composite channel, the called subscriber is guaranteed to be delivered without delay, losses, and at the same rate (source rate) regardless of whether there is at this time in the other network connection or not;
  
• 
  after the end of the session the basic channels that were included with the corresponding composite channel, declared free and returned to the pool of resources allocated for use by other users.