Quality assured network service provision system compatible with a multi-domain network and service provision method and service broker device
First Claim
1. A quality assured network service provision system compatible with a multi-domain network, wherein a communication network comprising a plurality of operations management networks (domains) which are connected to a plurality of customer networks with user terminals and which are respectively managed by different providers, the system comprising:
- a network service management device incorporated within an operations management network of each of said providers, and negotiating with another operations management network which is managed by another provider and with which interconnection is to be established based on a required quality level from a customer so as to ensure an end-to-end quality level; and
a service broker device at a functional host layer of said network service management device the service broker device receiving service information on services which can be provided by the respective domains and domain information which are output from the network service management device which belongs to each of the providers, storing information on the operations management networks managed by the respective providers, and brokering a service level agreement between the operations management networks of said plurality of providers by selecting route information and a network service management device for ensuring an end-to-end quality level required by the customer based on the received service information and domain information.
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Abstract
The invention provides quality assured network services in a multi-domain network and comprises a network service management device for managing device clusters incorporated within the operations management network of each provider network and receiving service orders, and a multi-domain service broker for providing a broker function for achieving agreement between a plurality of providers, and the multi-domain service broker further comprises a device for collecting domain information and information relating to the services each provider is able to provide from the network service management devices, and a device which on receipt of a network service request from a customer, extracts the network service management device of the domain which is able to satisfy the required quality level, and then issues instructions for the setting of the required information within the extracted network service management device.
82 Citations
14 Claims
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1. A quality assured network service provision system compatible with a multi-domain network, wherein
a communication network comprising a plurality of operations management networks (domains) which are connected to a plurality of customer networks with user terminals and which are respectively managed by different providers, the system comprising: -
a network service management device incorporated within an operations management network of each of said providers, and negotiating with another operations management network which is managed by another provider and with which interconnection is to be established based on a required quality level from a customer so as to ensure an end-to-end quality level; and
a service broker device at a functional host layer of said network service management device the service broker device receiving service information on services which can be provided by the respective domains and domain information which are output from the network service management device which belongs to each of the providers, storing information on the operations management networks managed by the respective providers, and brokering a service level agreement between the operations management networks of said plurality of providers by selecting route information and a network service management device for ensuring an end-to-end quality level required by the customer based on the received service information and domain information. - View Dependent Claims (2, 3, 7, 8, 9, 10, 11, 12, 13, 14)
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4. A method of providing a quality assured network service compatible with a multi-domain network comprising:
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a plurality of operations management networks (domains) which are connected to a plurality of customer networks with user terminals and which are respectively managed by different providers;
a network service management device for collectively controlling device clusters incorporated within an operations management network of each of said providers, and negotiating with another operations management network which is managed by another provider and with which interconnection is to be established based on a required quality level from a customer so as to ensure an end-to-end quality level; and
a service broker device at a functional host layer of said network service management device for providing a broker function for interconnecting the operations management networks of said plurality of providers, wherein said method comprises;
a service registration step in which a network management device of each provider registers in said service broker device, domain information comprising configuration information and service information on services which can be provided by the respective domains which are output from the network service management device which belongs to each of the providers;
a service agreement step in which a request is received from the customer, said service broker device and said network management device reach an agreement relating to service conditions for providing a service which will satisfy the required quality level, and route information for an appropriate domain and a network management device are selected for ensuring an end-to-end quality level required by the customer based on the service information and domain information; and
a service provisioning step for performing service provisioning on a communication device based on service conditions and route information agreed upon in said network management device. - View Dependent Claims (5)
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6. A service broker device in an interconnected network for a network comprising a plurality of operations management networks (domains) which are connected to a plurality of customer networks with user terminals and which are respectively managed by different providers, the service broker device being provided with
a broker function for receiving service information on services which can be provided by the respective domains and domain information which are output from a network service management device which belongs to each of the providers, storing information on the plurality of operations management networks managed by the respective providers, and brokering a service level agreement between the operations management networks which are managed by the providers and which are to be interconnected based on a required quality level from a customer by selecting route information and a network service management device for ensuring an end-to-end quality level required by the customer based on the received service information and domain information, wherein said service broker device is at a functional host layer of a network service management device.
Specification