Packet filtering method
AssigneeInviscid Networks, Inc.
InventorsJan Bialkowski, Gururaj Singh
Life of this patent
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Abstract
A method of filtering packets having a class. The method includes the steps of accessing a table comprised of entries that include an indication to which class a given entry applies. Then there is the step of searching the entries until an entry whose class indication corresponds to a current class of the packet. Next there is the step of forwarding a frame associated with the entry whose class indication corresponds to the class of the packet. A data communication apparatus. The apparatus includes a mechanism for routing or switching packets. The apparatus includes a memory having information for routing or switching the packets. The apparatus includes a mechanism for compaction of information in the memory which removes redundancies in the information.
Claims14
A method of filtering packets having a class comprising the steps of:
- compacting a table comprised of entries that include an indication to which class a given entry applies by removing redundant entries from the table;
- accessing the table;
- searching the entries until an entry whose class indication corresponds to a current class of the packet;
- and
- forwarding a frame associated with the entry whose class indication corresponds to the class of the packet.
A data communication apparatus comprising:
- a mechanism for routing or switching packets;
- a memory having information for routing or switching the packets;
- and
- a mechanism for compaction of information in the memory which removes redundancies in the information.
Dependencies are inferred from the claim text.