1. Software–Defined Networking Meron Aymiro

2. What is Software-Defined Networking?  Software-Defined Networking (SDN) has the potential of to transcend the limitations of the current networking infrastructures.  “The basic premise behind SDN is that by separating control of network functions from hardware devices, administrators acquire more power to route and direct traffic in response to changing requirements.” 1  Control Plane  Data plane

4. Issues with Traditional IP Networking They are complex and hard to manage.  The control plane and the data plane are joined together in a network device.  During configuration - Each individual network device must be configured separately using Vendor-specific commands  Network environments have to endure the dynamics of faults and adapt to load changes  Slow progressions of improvement.

5. Why use SDN? The separation of the control plane from data plane will give ways  Directly programmable  Simplification of network devices  Inexpensive  Flexibility  Scalability  Optimization of resources

6. OpenFlow  OpenFlow is the first standard communications interface defined between the control and forwarding layers of an SDN architecture  This communication protocol that gives access to the forwarding plane of a network switch or router over the network.  OpenFlow enabled network controllers to determine the path of network packets across a network of switches.  Currently most vendor of commercial switches now include support of the OpenFlow application programming interface (API)  https://www.opennetworking.org/sdn-resources/openflow https://www.opennetworking.org/sdn-resources/openflow

7. Layers of SDN

8. SDN is the future of networking.  SDN was projected to grow into a $3.7 billion industry in 2016  SDN is already servicing big companies like Google, Facebook, Yahoo, Verizon  Since vedor- locking will not be an issue with SDN, it will invite more research and innovation

9. References 1. http://www.blackstratus.com/traditional-software-defined-networking/ 2. arXiv:1406.04402. arXiv:1406.0440 [cs.NI] 3. https://en.wikipedia.org/wiki/OpenFlow 4. https://www.opennetworking.org/sdn-resources/openflow 5. http://www.software-defined.net/networking.phphttp://www.software-defined.net/networking.php

10. Thank You.

11. Questions?