Electrical computers and digital processing systems: multicomput – Computer network managing
Reexamination Certificate
1996-12-31
2001-07-17
Maung, Zarni (Department: 2154)
Electrical computers and digital processing systems: multicomput
Computer network managing
C709S246000, C379S032010
Reexamination Certificate
active
06263366
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to message transmission in a telecommunications network and more particularly to the translation of a message having a given protocol to a counterpart message usable in a system operating under a different protocol.
BACKGROUND OF THE INVENTION
A synchronous optical network (SONET) provides the flexibility needed to transport digital signals with different capacities in a telecommunications network. A SONET network also provides a standard from which different manufacturers can base the design of their equipment. Thus, a SONET optical interface standard allows the interworking of transmission products from multiple vendors, as it defines the physical interface, the optical line rates known as optical carrier (OC) signals, frame format and the OAM&P (operations, administration, maintenance, and provisioning) protocol. In order to develop a standards compliant operations system (OS) to manage a SONET network, a management information model based upon well known international telecommunications standards must be developed so that the network may be managed in a standards-based environment. However, at the present time there are limited standards-based interfaces, such as Q3 interfaces, to the vendor network elements (NEs). Accordingly, some “bridge-the-gap” solution has to be found to enable the newly developed OS to utilize existing communications language whose operating protocol is different from that of the OS.
SUMMARY OF THE INVENTION
To communicate with the network elements (NEs) of the SONET network in an environment of mixed management protocols, the operations system of the instant invention must be able to receive, transmit, and translate messages which operate under a different protocol than is used internally. To achieve this end, an access module is provided at the front end of the operations system to receive the messages incoming from the SONET network. The incoming messages are assumed to be Transaction Language 1 (TL1) messages, while the operations system utilizes internal messages that have a different protocol, in this instance a common management information protocol (CMIP), which is typically used to exchange information between two management stations.
To translate an incoming TL1 message into a message which is usable by the operations system, the TL1 access module (TL1 AM) provided at the front end of the operations system has a mapper/parser processing module that parses and maps autonomous and non-autonomous TL1 messages into respective equivalent interface alarms and events messages for use in the operations system. To perform the mapping and parsing, the mapper/parser module retrieves one of the data/mapping tables from a plurality of data tables stored in a memory store. The objects from the table are retrieved by the mapper/parser module and are used for mapping a message based on the incoming message, in this case an OSI message, to be used in the operations system.
It is therefore an objective of the present invention to provide a system and method therefor of translating an incoming message having a given operating protocol to a counterpart message having a different operating protocol which is usable in the operations system.
It is another objective of the present invention to provide an access module that has mapping and parsing capabilities for parsing an incoming message, and specifically the different fields of the message, so that a counterpart message may be mapped with corresponding fields from a data or mapping table retrieved from a data store.
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Jacobs Andrew R.
Koch Paul L.
Caldwell Andrew
Maung Zarni
MCI Communications Corporation
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