Patent ID: 6046996
Filing Date: 2000-04-04
Classification: H04L,H04Q

Abstract:
An identifier translation apparatus for translating a first identifier, contained in cell data and identifying a cell data route in a first path, to second identifier identifying a cell data route in a second path, wherein the first identifier includes a virtual path identifier for identifying a virtual path which is a virtual communication path, as well as a virtual channel identifier for identifying a virtual channel which is a virtual communication channel within the virtual path, comprising:a first memory for storing block numbers one of which is addressed by a first part of the first identifier contained in the cell data, said first part of the first identifier including part of said virtual channel identifier;a second memory for storing second identifiers one of which is addressed by said one of the block numbers and a second part of the first identifier; andan identifier translator for incorporating said one of the second identifiers into the cell data.