Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-12-13
2005-12-13
Pham, Chi (Department: 2667)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S408000
Reexamination Certificate
active
06975633
ABSTRACT:
The invention relates to a communications network for exchanging data packets of ATM connections in which, in network nodes of a lower network level, a data bank is provided in which connection data are kept available, wherein each data bank in a network node of a lower network level (L1) keeps available connection data for a closer environment (PGA1, . . . , PGA4, . . . , PGC), that at least one additional data bank (RSA1, . . . , RSC), which keeps available connection data for a wider environment, is provided and assigned to a network node, and that network node of a higher network level (e.g. A.1) which is responsible for a network node (A.1.1) to which an additional data bank (RSA1) is assigned, also comprises means for maintaining the connection data in this additional data bank, and a method for making available connection data and a method for determining path information in such a communications network, network nodes for a lower network level, and a network node for a higher network level of this communications network.
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Alcatel
Pham Chi
Wong Blanche
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