Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Patent
1997-05-02
1999-09-14
Pham, Chi H.
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
370401, 370216, H04L 1224
Patent
active
059533471
DESCRIPTION:
BRIEF SUMMARY
This invention relates to the integrated management of multiple networks of different topologies, and in particular through hierarchical pass-through routing and multi-network service management.
Newbridge Networks Corporation's 4602/46020 MainStreet.RTM. Intelligent NetworkStation provides fully integrated network management of Newbridge's LAN, 36xx Time Division Multiplexing (TDM), Frame Relay, and Asynchronous Transfer Mode (ATM) products, with a rich Graphical User Interface (GUI) showing network topology and network element drawings, real-time status monitoring and fault management, and full path (service) management and service recovery capabilities.
In many networks however, the network is not a homogeneous Newbridge network. Here, the Newbridge network is overlayed onto a backbone network, which is typically composed of non-Newbridge higher order bandwidth equipment. Without integrated management of the backbone network(s), the operators of the network (typically telcos) cannot efficiently manage the entire network and service recovery around backbone network failures requires manual human intervention. Turnaround times to recover from network failures may be very long.
Accordingly the present invention provides an integrated network management system for multiple networks of different topologies having a hierarchy of different order bandwidth domains comprising at least one network manager, characterized in that said network manager manages the multiple networks and establishes links within a topology domain by implementing hierarchical pass-through routing within a higher order domain in the hierarchy and initiates recovery actions in the event of service failure starting at a domain with the highest order bandwidth.
Integrated network management of multiple networks of different topologies using Hierarchical Pass-Through Routing and Multi-Network Service Management provides a much more efficient means of management and service recovery.
Thus in accordance with the invention hierarchical Pass-Through Routing and Multi-Network Service Management are combined to provide integrated management of multiple network of different topologies with a rich Graphical User Interface (GUI) showing network topology and network element drawings, real-time status monitoring and fault management, and full path (service) management and service recovery capabilities.
The invention also provides a method of managing multiple networks of different topologies having a hierarchy of different order bandwidth domains with at least one network manager, characterized in that links within a topology domain are established by implementing hierarchical pass-through routing within a higher order domain in the hierarchy and that in the event of service failure, recovery action is initiated in a hierarchical manner starting from a domain with the highest order bandwidth.
BRIEF DESCRIPTION OF THE DRAWINGS
The invention will now be described in more detail, by way of example only, with reference to the accompanying drawings, in which:
FIG. 1 shows 3/1 and 3/1/0 domain networks;
FIG. 2 shows 3/3 and 3/1 domain networks;
FIG. 3 shows 3/3, 3/1, and 3/1/0 domain networks;
FIG. 4 shows 3/3 and 3/1 domain networks;
FIG. 5 shows SONET and 3/1/0 domain networks;
FIG. 6 shows Hierarchical Management applied to the Newbridge 46020 network management system;
FIG. 7 shows Multiple 46020 Hierarchical Management;
FIG. 8 shows Multiple 3/1/0 Networks;
FIG. 9 shows 3/1 Transport for Multiple 3/1/0 Networks;
FIG. 10 shows Multiple 3/1/0 NetworksService Management View;
FIG. 11 shows Multiple 3/1/0 Network Path Routing;
FIG. 12 shows Multiple 3/1/0 Network Path Segments;
FIG. 13 shows Multiple 3/1/0 Network Management;
FIG. 14 shows Hierarchical and Multiple 3/1/0 Network Management;
FIG. 15 shows Hierarchical and Multiple 3/3 Network Management; and
FIG. 16 shows Integrated Hierarchical and Multiple Network Management.
Hierarchical Pass-Through can be used to integrate the management of 3/3, 3/1, and 1/0 Digital Cross-Connect Switches (DCS) with
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Principles for a Telecommunications Management Network International Telecommunications Management Networks CCITT The International Telegraph and Telephone Consultative Committee M.3010 Oct 1992.
Bellinger Doug
Freen Russ
Neville Wade
Raju Vish
Wong Norman
CrossKeys Systems Corporation
Newbridge Networks Corporation
Ngo Ricky Q.
Pham Chi H.
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