Patent ID: 6236655
Filing Date: 2001-05-22
Classification: G06F,H04J,H04L,H04Q,H04W,Y10S

Abstract:
A system for identifying a processing port and a link at which a cell is received, comprising:a processing port operable to receive the cell at one of a plurality of links;a logical link table comprising a plurality of logical link entries, each logical link entry corresponding to a particular link of the processing port associated with the logical link table, each logical link entry specifying a logical link value for uniquely identifying the processing port and the particular link corresponding to that logical link entry, the processing port operable to convert the cell by replacing a numerical value of an identification field of the cell with the logical link value specified by the logical link entry corresponding to the link at which the cell is received; anda switch control module connected to the processing port, the switch control module operable to receive the converted cell, the switch control module operable to identify the link and the processing port at which the cell corresponding to the converted cell was received by referencing a reverse mapping table using the logical link value stored in the identification field of the converted cell, and wherein the reverse mapping table comprises a plurality of reverse mapping entries, each reverse mapping entry specifying a particular link of a particular processing port.