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Introduction
On a traditional IP RAN network, a large number of access devices are deployed at the access layer. In current network construction and operating modes, decentralized access routing devices need to be managed node by node, which is time and manpower consuming and also drastically increases the operation and maintenance cost.
To help customers address those challenges, Huawei creatively proposes the SDN-based mobile backhaul solution, which has a centralized control plane as the basic idea. This solution requires only one control center to control all network behaviors. In this solution, topology summarization and path computation are all complete on the control plane, and the access routing devices are required to provide the access function only. Therefore, this solution simplifies access routing devices. All devices at the access layer are managed like one device.
Compared with a traditional IP RAN networks, SDN-based mobile backhaul solution provides the following three benefits:
l One: Free service planning, that is, plug-and-play
l Two: Intelligent and rapid service provisioning
l Three: Fast trouble shooting
SDN IP RAN Solution
SDN-based IP RAN solution aims to bring in ease of management and deployment by extracting the control plane from the traditional IP-based RAN for mobile backhaul with a centralized SDN control plane. But building SDN-based IP RAN's requires solving complex technical and deployment challenges. It requires a carrier grade SDN control plane ( which is provided by ONOS in this solution) as well as comprehensive L3VPN and other network/deployments models on top of this SDN control plane.
Huawei devices and in-house SDN controllers interoperates with ONOS SDN control plane to deliver a resilient SDN-based IP RAN solution that can reduce the CAPEX and OPEX and alleviate the headaches and inefficiencies of today's IP RAN networks.
In this demo, we aim to show how Huawei had provided a L3VPN Service in the IP RAN and used ONOS (Open Network Operating System) as the SDN Control plane that controls all the devices.