| 摘要 |
The present invention relates to a method and nodes for aggregating data traffic over an access domain carrying data traffic between a plurality of service providers and user domains. For doing so, an access edge node is introduced in the access domain between the plurality of service providers, and the user domains. The access edge node hosts a plurality of service agents, where each service agent controls a Virtual Local Area Network over the access domain for one of the service providers. Upon receipt of a service request related message identifying one of the service provider domain and one of the user domain, verification is made at the access edge node to identify whether a service agent corresponding to the service provider identified in the service request related message exists. If the verification is positive, the user domain is added to the Virtual Local Area Network corresponding to the requested service provider through the creation of a service binding at the access edge node. Then, an access node providing access to the access domain to the user domain for which the service request related message was received is informed of the service binding, and the data traffic between the user domain and service provider identified in the service request related message is aggregated over the access domain in accordance with the created service binding.
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