Method and apparatus for controlling the admission of data into a network element

Abstract

A method and apparatus for controlling the admission of data packets into a network element is described. In an embodiment, a method for controlling admittance of a data packet into a memory buffer includes performing, prior to queuing the data packet for routing by a processor, the following: (1) receiving a data packet from one of at least two different ports, (2) determining a priority value within the data packet, and (3) determining an admittance group identifier for the data packet based on the priority value and the port the data packet was received. The method also comprises queuing the data packet from the memory buffer to one of a number of queues for routing by the processor upon determining that a number of data packets stored the memory buffer and having the admittance group identifier is not greater than a threshold value.

1 . A method for controlling admittance of a data packet into a memory buffer, the method comprising: 
 performing, prior to queuing the data packet for routing by a processor, the following: 
 receiving a data packet from one of at least two different ports;  
 determining a priority value within the data packet; and  
 determining an admittance group identifier for the data packet based on the priority value and the port the data packet was received; and  
   queuing the data packet from the memory buffer to one of a number of queues for routing by the processor upon determining that a number of data packets stored in the memory buffer and having the admittance group identifier is not greater than a threshold value.    
     
     
         2 - 40 . (canceled)