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README.md

oai_scenario

This branch corresponded to cord-5.0 in official branch, cord-5.0 support is work in progress, will support in the furture.

This project maintained by National Chiao Tung University.

Branchs

We have 2 major branchs, master(ciab) and cordpod. Now both support on ONF CORD project cord-4.1 branch.

Difference between ciab and cordpod is implement in OAI Services network.

ciab uses the Service Dependencies function to make services communicate with each gateway.

cordpod uses flat network insteads of service chain, and have 2 layer XOS Services, vepc in upper layer, vhss, vmme, vspgw in lower layer.

We can assign connection relation in vepc and vepc will going to create other child services.

Installation

git clone https://github.com/aweimeow/oai_scenario ~/oai_scenario
cd ~/oai_scenario

Use start.sh to overwrite original files.
This script will delete original M-CORD services directory,
and use modified services source code instead.

bash start.sh

And execute following commands to build OAI M-CORD.

cd ~/cord/build
make PODCONFIG=mcord-oai-virtual.yml config
make -j4 build

Then you can check Service Instance by nova command.

$ ssh head1
head1 $ source /opt/cord_profile/admin-openrc.sh
head1 $ nova list --all-tenants

+--------------------------------------+-------------------+--------+------------+-------------+----------------------------------------------------------------+
| ID                                   | Name              | Status | Task State | Power State | Networks                                                       |
+--------------------------------------+-------------------+--------+------------+-------------+----------------------------------------------------------------+
| 040804e0-5f6d-48d1-a44e-7334f18795ce | mysite_oaispgw1-2 | ACTIVE | -          | Running     | management=172.27.0.2; public=10.8.1.2; vspgw_network=10.0.8.2 |
| e6fa7b25-6e54-4882-98dd-5e731e76239b | mysite_oaispgw1-4 | ACTIVE | -          | Running     | management=172.27.0.5; public=10.8.1.3; vspgw_network=10.0.8.3 |
| 2bb5f57d-7858-41d3-9d18-4b056055853f | mysite_vhss1-3    | ACTIVE | -          | Running     | management=172.27.0.4; vhss_network=10.0.7.2                   |
| f61cd0cb-cac1-492e-86c0-6524e795d0b4 | mysite_vmme1-1    | ACTIVE | -          | Running     | management=172.27.0.3; vmme_network=10.0.6.2                   |
+--------------------------------------+-------------------+--------+------------+-------------+----------------------------------------------------------------+

Patch

ONOS's application: CORDVTN has bugs, so you may need execute vtn-patch.py to complete Service Gateway.

cd ~/oai_scenario
python vtn-patch.py

You can check flow and group information in ONOS WebUI.

ssh -NfL 0.0.0.0:8182:0.0.0.0:8182 head1

and access http://<your_CORD_ip>:8182/onos/ui to check flows.

Usage

ssh head1
head1$ scp ~/.ssh/id_rsa ubuntu@10.1.0.14:~/.ssh
head1$ ssh ubuntu@10.1.0.14

# SSH into Service Instance, reference to nova output
ubuntu@multicolored-jump:~$ ssh ubuntu@172.27.0.2

# This is vHSS Service Instance
ubuntu@vhss:~$ sudo su -
root@vhss:~$ cd ~/openair-cn/SCRIPT/
root@vhss:~/openair-cn/SCRIPT$ ./run_hss

# This is vMME Service Instance
ubuntu@nano:~$ sudo su -
root@nano:~$ cd ~/openair-cn/SCRIPT/
root@nano:~/openair-cn/SCRIPT$ ./run_mme

# This is vSPGW Service Instance
ubuntu@spgw:~$ sudo su -
root@spgw:~$ cd ~/openair-cn/SCRIPT/
root@spgw:~/openair-cn/SCRIPT$ ./run_spgw

As following snapshot:

LICENSE

Source Code in this project is under MIT License.
Open Air Interface image is built by Open Air Interface Source Code.
It is under Apache License v2 (APLv2).