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LTE with SDN controller #122
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Hi David, here are some comment for your question.
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Hello Ting, |
Hi Ting, |
I am working with OpenNet framework, trying to set up a topology based on WIFI and LTE. For the moment, I have deployed an scenario with an LTE (2 UEs and a single eNodeB) and WIFI ( 2 STAs and a single AP). Both networks are connected to a wired network formed by Mininet OVS switches (5 switches and a wired host). I use an SDN controller (ONOS) to manage all the Open Flow aware components. When I send traffic (iperf) from an STA to the wired host all works properly, packets are generated and sent throw the network and the ONOS controller is capable of managing the flows. My problem is that LTE UEs are not integrated in Mininet, so the controller is not capable of recognise them. They can only exchange traffic with hosts in their LTE network. I have been looking at the code, trying to find differences between WIFI and LTE network creation. I have noticed that WIFI APs are configured through a Tap Bridge interface, and LTE eNBs using a simple Tap interface. When I try to configure the eNBs to use Tap Bridge interfaces something goes wrong with "moveIntoNamespace" function and does not run.
Do you have any idea of how to integrate the LTE network within Mininet in order to make the SDN controller aware of the LTE topology/traffic?
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