Managing a flow table

摘要

A device may include a flow table to store, in flow table records, statistics associated with a number of data flows, and a flow type table to store, in flow type table records, information that indicates whether to store statistics in the flow table for each of a number of types of data flows, information that indicates a manner for sampling data units associated with the data flows, and/or information that indicates when to delete flow table records from the flow table.

主权项

1. A network device comprising:
an interface component to:
receive a data unit associated with a data flow;determine a type of the data flow;access a flow type table, based on the determined type of the data flow, to determine whether to store first information associated with the data flow in a flow table, the flow type table including second information that indicates whether to store the first information in the flow table;process, when the second information indicates that the first information is to be stored in the flow table, the first information to:
store the first information in the flow table, orupdate a record in the flow table based on the processed first information; andprocess, when the second information indicates that the first information is not to be stored in the flow table, the data unit without storing the first information in the flow table or updating third information in the flow table.