CA2121114A1 - Hybrid network management - Google Patents
Hybrid network managementInfo
- Publication number
- CA2121114A1 CA2121114A1 CA002121114A CA2121114A CA2121114A1 CA 2121114 A1 CA2121114 A1 CA 2121114A1 CA 002121114 A CA002121114 A CA 002121114A CA 2121114 A CA2121114 A CA 2121114A CA 2121114 A1 CA2121114 A1 CA 2121114A1
- Authority
- CA
- Canada
- Prior art keywords
- network
- management system
- public
- private
- hybrid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0062—Provisions for network management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13533—Indexing scheme relating to selecting arrangements in general and for multiplex systems multivendor and hybrid, e.g. public/private, networks, inc. international
Abstract
Abstract of the Disclosure A hybrid network includes a public switched network and a private switched network. Each has a respective network management system (2, 4). Between these systems are two interfaces, a service management interface (7) and a network management interface (8), whereby information can be shared between the two systems in order to provide common management of the public and private networks and the services provided thereby. A hybrid network management system within the private network management system can thus form a single view of, for example, the network faults and performance analysis of the public and private networks, which together form the overall network of a corporate customer.
Description
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~:' ~ -~ HYBRID NETWORK MANAGEMENT
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, , ~i This invention relates to network management and in particular to the integrated management of public and private switched networks and services, that is to hybrid network management.
BAC:KGROUND OF THE iNVENTlC~N
A specific hybrid network to be discussed hereinafter is made up of private, customer owned equipment, and public carrier owned equipment and services. Historicallyl public network services and private network services have been managed independently without any common synergistic service and network management benefit. However this situation is changing due to advances in customer and telco (telephone company) management equipment, carrier services and the demand by customers to manage their private and public network based services in a common manner to increase service management efficiency and cost savings.
r,.''',y ~t SUMMA~Y (:)F Tl IE INVENTION
According to the present invention there is provided a hybrid network including a public switched network and a private switched network, ,~; each having a respective network management systeml and wherein between the network management systems there are two interfacesl a service rnanagement interface and a network management interfacel . whereby information is shared between the two network management ~-` systems in order to achieve common management of the public and ,: .; . ; , .j i ;~ j private networks and services provided thereby.
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~:' ~ -~ HYBRID NETWORK MANAGEMENT
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, , ~i This invention relates to network management and in particular to the integrated management of public and private switched networks and services, that is to hybrid network management.
BAC:KGROUND OF THE iNVENTlC~N
A specific hybrid network to be discussed hereinafter is made up of private, customer owned equipment, and public carrier owned equipment and services. Historicallyl public network services and private network services have been managed independently without any common synergistic service and network management benefit. However this situation is changing due to advances in customer and telco (telephone company) management equipment, carrier services and the demand by customers to manage their private and public network based services in a common manner to increase service management efficiency and cost savings.
r,.''',y ~t SUMMA~Y (:)F Tl IE INVENTION
According to the present invention there is provided a hybrid network including a public switched network and a private switched network, ,~; each having a respective network management systeml and wherein between the network management systems there are two interfacesl a service rnanagement interface and a network management interfacel . whereby information is shared between the two network management ~-` systems in order to achieve common management of the public and ,: .; . ; , .j i ;~ j private networks and services provided thereby.
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2- 2~L21114 ,..~, i~ BRI~F ~ESCRIPTION OF THE I~RAWING
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-i~ An embodiment of the invention will now be described with reference to the accompanying drawing which illustrates hybrid network ~ .
; management.
DE$GRIPTION Q~ PREIFERRED EIMBODINIENT
,~
.
Network management systems have numerous functions, specifically at a network management layer these are fiault management (FMS), configuration management, performance management (PMS) and securitv and access management. The emphasis is on managing the netwo;k's physical resources. The service management layer also includes accounting management (AMS) and service provisioning functions.
An embodiment of the invention is described hereinafter in terms of a hybrid network which offers private switch (PBX) based services in conjunction with public switched based services such as Centrex and Virtual Private Network (VPN).
"~
For the benefit of understanding, a number of terms will now be specifically defined. A user is a person who uses the telephony features of a network. An operator is a body which provides and manages the network resources. A service provider interfaces with a user and an operator in order to provide and manage services for the user. The service provider may use service management tools provided by a third party, fcr example a corporate service provider will use a telephone company (telco) Centrex service management system to provide his users with Centrex services. The customer is the corporate customer who operates and provides services on his private network.
From both the point of view of a corporate customer and a telco, a hybrid network management solution will only be of interest if it is more cost effective than their individual current network rnanagement schemes. The underlying factor of importance to both customers and telcos is that cost savings can be made in Operations, Administration and Maintenance (OA&M) of a hybrid network.
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The physical architecture illustrated in the clrawing is for hybrid network management based on the current OA&M systems (private and public network management), which are each finely tuned to meet the different network and service management needs of public Hnd private networks.
It should be noted that integration of private and public network management systems into one system would be complex and would compromise OA&M functionality. In a hybrid network as discussed hereinafter there are two non-integrated network rnanagement (NM) systems (NMS), which ar~ used for PBX or private network services and public switched services, respectively. The NMSs exchange and share information across well defined interfaces in order to provide an integrated view of the hybrid network from both a service management and a network management perspective.
As will be appreciated frorn the drawing the two NMSs (public and private) are substantially separate but there are two interfaces therebetween. The drawing also shows the functionality split of the various systems. The functions are split into user (operator or service provider) access (User Access Layer), service management (Service Management Layer), network management (Network Management Layer). and element manager and network element (Element Mana~ement and Network Element Layer). User access allows the service provider or operator access to the Operations, Administration and Maintenance ~unctions. The Service Management Layer incorporates systems which are responsible for the administration and management of services. The Network Management Layer incorporates systems responsible for management of network resources. When an OA&M
system includes functionality of two different layers it is shown spanning those layers. The network element is responsible for providing network service. The element manager provides management capabilities for the network element as well as interfacing to the OA&M system ,;, , r~
The architecture comprises a public network management system (NMS) including Network Operations Centre (NOC) (Operator) and Service Centre (Service Provider) user access 1. The public network NMS 2 consists of a number of subsystems which include a Service Management System (SMS), Fault Management System (FMS), Resource Management System (RMS), Performance Management System (PMS) and Accounting Management Systern (AMS).
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,~. The private network management system includes a NMS user access 3 , s and the private network network management system a, which includes functionality at the service management and network management layers. The private switch (PBX) 5 provides both network element and element management functions, as does the public switch 6 for the public network. The NMS 4 includes a private NMS and a hybrid NMS.
, .
The two interfaces 7 and 8 between the public and private OA&M
systems (NMSs 2 and 4) are for service management and network management respectively. These interfaces may be OSi (Open Standards Interconnection) interfaces or Application Programme Interfaces (API). These interfaces allow sharing of information in order to provide some hybrid NM specific functions which integrate views of the services or of the network resources.
The hybrid NM specific functions are supported by additional applications on the existing NMSs.
Examples of hybrid NM functions are detailed below for network surveillance, subscriber service provisioning and billing.
The objective of hybrid network surveillance is to provide the private network operator with a single uniform logical view of a corporate customer's hybrid network for the purpose of fault and performance monitoring of his network. Currently, the corporate customer's Virtual Backbone Network (VBN) is managed by the telco separately from the private network which is managed by the customer. There is no correlation of faults between public and private networks. There is no consolidated view of the performance of the corporate customer's entire network, both public and private. It is difficult to pinpoint the source of network performance trouble spots when there is no sharing of information between public and private NMSs.
, .... .
The network management interface 8 allows the Resource Management System (RMS) ~o provide the hybrid NM application (Hybrid NMS) with a , ~ view (network information model) of the VBN which is integrated with the . ~ private NMSs' view ~network information model), to give a single view of the entire corporate customer's network. Fault reports from the Fault Management System (FMS) and performance reports from the ,:..' ~, ;~ . i , . . .
~ 5 2~21114 Performance Management System (PMS) are passed to the Hybrid NMS
across the network management interface 8. These reports together with ~- private NMS fault and performanc0 reports allow correlation of network : faults and performance analysis which may lead to corrective action and .` network planning to improve network efficiency.
The objective of hybrid network servic:e provisioning is to provide the `~, corporate service provider with the ability to manage the services of his telephony users independently of who owns the network resources ;1 supporting the services. For instance, if a user requests services at a ` ~1 particular site, the service provider provisions the service without requiring to know whether the service is provided by the public or private `; i~ network.
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` ~ The Service Management System (SMS) allows the hybrid NM
~, application (Hybrid NMS) to manage public also uses the service r~, management capabilities of the private NMS so that the hybrid NM
application provides a single view of the services available to the corporate users.
~'f'`f - The objective of the hybrid network accounting management is to provide the corporate customer with a single bill for usage of public and private network based services. This is required when the entire private network and respective NMS is outsourced to the telco. The telco will want to i consolidate the corporate customer's entire bill. Billing data and call detail record information is passed across the service management c interface 7 to the Accounting Management System (AMS). The AMS has;,, 8 hybrid network billing and accounting management application for, ~ consolidation of public and private network billing.
,~
. The sharing of informa~ion between the two network management systems enables common management o~ the private and public networks and the services provided thereby to be achieved. Such ¦ - common management by the value-added hybrid NMS allows !f ' efficiencies to be achieved.
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"~, 'f ~ .' ~f;, ~, ,'., ~',.'~'''
......
-i~ An embodiment of the invention will now be described with reference to the accompanying drawing which illustrates hybrid network ~ .
; management.
DE$GRIPTION Q~ PREIFERRED EIMBODINIENT
,~
.
Network management systems have numerous functions, specifically at a network management layer these are fiault management (FMS), configuration management, performance management (PMS) and securitv and access management. The emphasis is on managing the netwo;k's physical resources. The service management layer also includes accounting management (AMS) and service provisioning functions.
An embodiment of the invention is described hereinafter in terms of a hybrid network which offers private switch (PBX) based services in conjunction with public switched based services such as Centrex and Virtual Private Network (VPN).
"~
For the benefit of understanding, a number of terms will now be specifically defined. A user is a person who uses the telephony features of a network. An operator is a body which provides and manages the network resources. A service provider interfaces with a user and an operator in order to provide and manage services for the user. The service provider may use service management tools provided by a third party, fcr example a corporate service provider will use a telephone company (telco) Centrex service management system to provide his users with Centrex services. The customer is the corporate customer who operates and provides services on his private network.
From both the point of view of a corporate customer and a telco, a hybrid network management solution will only be of interest if it is more cost effective than their individual current network rnanagement schemes. The underlying factor of importance to both customers and telcos is that cost savings can be made in Operations, Administration and Maintenance (OA&M) of a hybrid network.
~:
.:::
..
~' .., ,, ;
The physical architecture illustrated in the clrawing is for hybrid network management based on the current OA&M systems (private and public network management), which are each finely tuned to meet the different network and service management needs of public Hnd private networks.
It should be noted that integration of private and public network management systems into one system would be complex and would compromise OA&M functionality. In a hybrid network as discussed hereinafter there are two non-integrated network rnanagement (NM) systems (NMS), which ar~ used for PBX or private network services and public switched services, respectively. The NMSs exchange and share information across well defined interfaces in order to provide an integrated view of the hybrid network from both a service management and a network management perspective.
As will be appreciated frorn the drawing the two NMSs (public and private) are substantially separate but there are two interfaces therebetween. The drawing also shows the functionality split of the various systems. The functions are split into user (operator or service provider) access (User Access Layer), service management (Service Management Layer), network management (Network Management Layer). and element manager and network element (Element Mana~ement and Network Element Layer). User access allows the service provider or operator access to the Operations, Administration and Maintenance ~unctions. The Service Management Layer incorporates systems which are responsible for the administration and management of services. The Network Management Layer incorporates systems responsible for management of network resources. When an OA&M
system includes functionality of two different layers it is shown spanning those layers. The network element is responsible for providing network service. The element manager provides management capabilities for the network element as well as interfacing to the OA&M system ,;, , r~
The architecture comprises a public network management system (NMS) including Network Operations Centre (NOC) (Operator) and Service Centre (Service Provider) user access 1. The public network NMS 2 consists of a number of subsystems which include a Service Management System (SMS), Fault Management System (FMS), Resource Management System (RMS), Performance Management System (PMS) and Accounting Management Systern (AMS).
.. ..
~....
i~ ' `~ 4 2:L21~
. ~
,~. The private network management system includes a NMS user access 3 , s and the private network network management system a, which includes functionality at the service management and network management layers. The private switch (PBX) 5 provides both network element and element management functions, as does the public switch 6 for the public network. The NMS 4 includes a private NMS and a hybrid NMS.
, .
The two interfaces 7 and 8 between the public and private OA&M
systems (NMSs 2 and 4) are for service management and network management respectively. These interfaces may be OSi (Open Standards Interconnection) interfaces or Application Programme Interfaces (API). These interfaces allow sharing of information in order to provide some hybrid NM specific functions which integrate views of the services or of the network resources.
The hybrid NM specific functions are supported by additional applications on the existing NMSs.
Examples of hybrid NM functions are detailed below for network surveillance, subscriber service provisioning and billing.
The objective of hybrid network surveillance is to provide the private network operator with a single uniform logical view of a corporate customer's hybrid network for the purpose of fault and performance monitoring of his network. Currently, the corporate customer's Virtual Backbone Network (VBN) is managed by the telco separately from the private network which is managed by the customer. There is no correlation of faults between public and private networks. There is no consolidated view of the performance of the corporate customer's entire network, both public and private. It is difficult to pinpoint the source of network performance trouble spots when there is no sharing of information between public and private NMSs.
, .... .
The network management interface 8 allows the Resource Management System (RMS) ~o provide the hybrid NM application (Hybrid NMS) with a , ~ view (network information model) of the VBN which is integrated with the . ~ private NMSs' view ~network information model), to give a single view of the entire corporate customer's network. Fault reports from the Fault Management System (FMS) and performance reports from the ,:..' ~, ;~ . i , . . .
~ 5 2~21114 Performance Management System (PMS) are passed to the Hybrid NMS
across the network management interface 8. These reports together with ~- private NMS fault and performanc0 reports allow correlation of network : faults and performance analysis which may lead to corrective action and .` network planning to improve network efficiency.
The objective of hybrid network servic:e provisioning is to provide the `~, corporate service provider with the ability to manage the services of his telephony users independently of who owns the network resources ;1 supporting the services. For instance, if a user requests services at a ` ~1 particular site, the service provider provisions the service without requiring to know whether the service is provided by the public or private `; i~ network.
y ,..
` ~ The Service Management System (SMS) allows the hybrid NM
~, application (Hybrid NMS) to manage public also uses the service r~, management capabilities of the private NMS so that the hybrid NM
application provides a single view of the services available to the corporate users.
~'f'`f - The objective of the hybrid network accounting management is to provide the corporate customer with a single bill for usage of public and private network based services. This is required when the entire private network and respective NMS is outsourced to the telco. The telco will want to i consolidate the corporate customer's entire bill. Billing data and call detail record information is passed across the service management c interface 7 to the Accounting Management System (AMS). The AMS has;,, 8 hybrid network billing and accounting management application for, ~ consolidation of public and private network billing.
,~
. The sharing of informa~ion between the two network management systems enables common management o~ the private and public networks and the services provided thereby to be achieved. Such ¦ - common management by the value-added hybrid NMS allows !f ' efficiencies to be achieved.
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Claims (6)
1. A hybrid network including a public switched network and a private switched network, each having a respective network management system, characterised in that between the network management systems there are two interfaces, 8 service management interface and a network management interface, whereby information is shared between the two network management systems in order to achieve common management of the public and private networks and services provided thereby.
2. A hybrid network as claimed in claim 1, wherein the private network management system comprises part of a private network network management system which also includes a hybrid network management system that employs the information provided by the public network management system over said interfaces and well as information provided by the private network management system.
3. A hybrid network as claimed in claim 2, wherein the public network management system includes a fault management system and a performance management system, information from both of which can be passed over the network management interface to the hybrid network management system.
4. A hybrid network as claimed in claim 2, wherein the public network management system includes a service management system, information from which can be passed over the service management interface to the hybrid network management system in the private network to manage the public network services.
5. A hybrid network as claimed in claim 2, wherein the public network management system includes an accounting management system, and wherein for providing a corporate customer with a single bill for public and private network based services, billing data and call detail record information is passed over the service management interface from the private network network management system to the accounting management system.
6. A hybrid network as claimed in claim 5, wherein the accounting management system includes a hybrid network billing and accounting management application for consolidation of public and private network billing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9307954.9 | 1993-04-17 | ||
| GB9307954A GB2277229B (en) | 1993-04-17 | 1993-04-17 | Hybrid network management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2121114A1 true CA2121114A1 (en) | 1994-10-18 |
Family
ID=10734004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002121114A Abandoned CA2121114A1 (en) | 1993-04-17 | 1994-04-12 | Hybrid network management |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5652787A (en) |
| EP (1) | EP0621716B1 (en) |
| CA (1) | CA2121114A1 (en) |
| DE (1) | DE69433912T2 (en) |
| GB (1) | GB2277229B (en) |
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| EP1684462A1 (en) * | 2005-01-24 | 2006-07-26 | Alcatel | Element management server and method for managing multi-service network elements |
| US8238538B2 (en) | 2009-05-28 | 2012-08-07 | Comcast Cable Communications, Llc | Stateful home phone service |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4594477A (en) * | 1984-03-07 | 1986-06-10 | At&T Technologies, Inc. | PBX equipment with dial signal modification |
| US4661974A (en) * | 1984-04-13 | 1987-04-28 | At&T Company | Automatic route selection of a private telephone network path on the basis of a public telephone network number |
| US4935956A (en) * | 1988-05-02 | 1990-06-19 | Telequip Ventures, Inc. | Automated public phone control for charge and collect billing |
| US5003584A (en) * | 1990-04-16 | 1991-03-26 | At&T Bell Laboratories | Method and apparatus for the billing of value-added communication calls |
| FR2662880B1 (en) * | 1990-05-30 | 1993-05-07 | Cit Alcatel | METHOD FOR ACCESSING A USER TO THE DATA OF A WIRELESS TELEPHONY SUBSCRIPTION. |
| US5048079A (en) * | 1990-08-10 | 1991-09-10 | Intellicall, Inc. | SMDR translator |
| US5187710A (en) * | 1990-12-19 | 1993-02-16 | At&T Bell Laboratories | Method and apparatus for the billing of value-added communications calls |
| US5164983A (en) * | 1991-01-28 | 1992-11-17 | American Telephone & Telegraph Company | Telemarketing complex performance management system |
| JP2601043B2 (en) * | 1991-03-20 | 1997-04-16 | 富士通株式会社 | Virtual private network connection method |
| US5247571A (en) * | 1992-02-28 | 1993-09-21 | Bell Atlantic Network Services, Inc. | Area wide centrex |
| US5333183A (en) * | 1992-03-13 | 1994-07-26 | Moscom Corporation | Universal MDR data record collection and reporting system |
-
1993
- 1993-04-17 GB GB9307954A patent/GB2277229B/en not_active Expired - Fee Related
-
1994
- 1994-03-30 EP EP94302318A patent/EP0621716B1/en not_active Expired - Lifetime
- 1994-03-30 DE DE69433912T patent/DE69433912T2/en not_active Expired - Fee Related
- 1994-04-12 CA CA002121114A patent/CA2121114A1/en not_active Abandoned
-
1995
- 1995-10-05 US US08/539,630 patent/US5652787A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69433912D1 (en) | 2004-09-02 |
| EP0621716A2 (en) | 1994-10-26 |
| US5652787A (en) | 1997-07-29 |
| EP0621716A3 (en) | 1996-02-21 |
| DE69433912T2 (en) | 2005-01-05 |
| GB2277229A (en) | 1994-10-19 |
| EP0621716B1 (en) | 2004-07-28 |
| GB2277229B (en) | 1997-11-26 |
| GB9307954D0 (en) | 1993-06-02 |
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