1. IEEE 802.21 MEDIA INDEPENDENT HANDOVER DCN: 21-14-0060-00-MISU-OpenFlow_PoA Title: OpenFlow PoA proposal for SDN use case Date Submitted: March 20, 2014 To be presented at IEEE 802.21.1 TG, Beijing Wireless Plenary meeting Authors or Source(s): Charlie Perkins Abstract: This contribution to IEEE Wireless Plenary in Beijing during March, 2014 proposes that 802.21.1 design an OpenFlow interface from PoS to PoA 1 21-14-0060-00-MISU OpenFlow_PoA

2. 2 IEEE 802.21 presentation release statements This document has been prepared to assist the IEEE 802.21 Working Group. It is offered as a basis for discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. The contributor grants a free, irrevocable license to the IEEE to incorporate material contained in this contribution, and any modifications thereof, in the creation of an IEEE Standards publication; to copyright in the IEEE’s name any IEEE Standards publication even though it may include portions of this contribution; and at the IEEE’s sole discretion to permit others to reproduce in whole or in part the resulting IEEE Standards publication. The contributor also acknowledges and accepts that this contribution may be made public by IEEE 802.21. The contributor is familiar with IEEE patent policy, as stated in Section 6 of the IEEE-SA Standards Board bylaws and in Understanding Patent Issues During IEEE Standards Development http://standards.ieee.org/board/pat/faq.pdf> Section 6 of the IEEE-SA Standards Board bylawshttp://standards.ieee.org/guides/bylaws/sect6-7.html#6http://standards.ieee.org/board/pat/faq.pdf 21-14-0060-00-MISU OpenFlow_PoA

3. 802.21 Use Case Proposal for the Wireless & Mobility Working Group Daniel Corujo, Carlos Guimarães, Rui Aguiar Charles Perkins Subir Das 321-14-0060-00-MISU OpenFlow_PoA

4. Outline Introduction Base Scenario Proposed System Plan 4 21-14-0060-00-MISU OpenFlow_PoA

5. Introduction IEEE 802.21 targets the facilitation and optimization of handover scenarios  In multi-technology environments It provides technology-agnostic…  … Link layer events (i.e., link up, link down, link parameter changes  RSSI)  … Link layer commands (i.e., device link actions, network point of attachment query and commit) 5 21-14-0060-00-MISU OpenFlow_PoA

6. Introduction (cont’d) These are quite useful for  Detecting and acting regards the dynamics of wireless environments  Convey this information/actions in a remote way Different scenarios become enabled  Handover optimization  Monitoring  Load balancing  … 6 21-14-0060-00-MISU OpenFlow_PoA

7. Base Scenario Empower networking control/management/configuration mechanisms with the ability to  Perceive the Mobile Terminal’s perspective on its wireless link to the network, and leverage it to …  Determine an action to re-optimize/re-configure/re- control/re-manage that wireless link  And others involved/impacted 7 21-14-0060-00-MISU OpenFlow_PoA

8. Base Scenario (cont’d) Specific SDN impact of the scenario  The controller gets “fed” with link status information from wireless network entities  Either through query or triggered events –Thresholds can be pre-configured and events registered  The controller can re-organize SDN flows affected by wireless link conditions  Either wireless backhaul, or links terminating in wireless Points of Attachment  It also enables preemptive actions, through the preparation of links before the mobile nodes move there 8 21-14-0060-00-MISU OpenFlow_PoA

9. Examples – Load Balancing OpenFlow PoA #1 OpenFlow PoA #2 MN OpenFlow Switch OpenFlow Controller MN 9 21-14-0060-00-MISU OpenFlow_PoA

10. Examples – Handover Optimization PoA sends monitoring data to Controller (i.e., Load Values) OpenFlow PoA #1 OpenFlow PoA #2 OpenFlow Switch OpenFlow Controller MN 10 21-14-0060-00-MISU OpenFlow_PoA

11. Examples - Monitoring OpenFlow PoA #1 OpenFlow PoA #2 MN OpenFlow Switch OpenFlow Controller CN MN 11 21-14-0060-00-MISU OpenFlow_PoA

12. Proposed System Wireless Interfaces (at Network Equipment and mobile terminals)  Able to provide wireless link related information to an “OpenFlow Controller”  New counters, parameters… OpenFlow PoA #1 OpenFlow Switch OpenFlow Controller MN MN wireless interface information PoA wireless interface information Ctrl combines MN and PoA Wireless info w/ Ethernet Switch Info, for optimization 12 21-14-0060-00-MISU OpenFlow_PoA

13. Proposed System (cont’d) Controller is able to send commands to wireless entities  Controlling wireless link aspects operation Controller makes use of previously collected/received wireless information  Reconfigures both wired/wireless affected equipment OpenFlow PoA #1 OpenFlow Switch OpenFlow Controller MN 13 21-14-0060-00-MISU OpenFlow_PoA

14. Plan Dual evolution process  Some aspects discussed here can also motivate evolutions in IEEE 802.21  IEEE 802.21.1 – Services and Use Cases  For example, PoA-based events Leverage from existing work, showcasing OpenFlow and Wireless integration scenarios  I.e., previous demo Next step: Assess architectural and protocol impact to OpenFlow  Identify parameters, structures and procedures 14 21-14-0060-00-MISU OpenFlow_PoA

15. THANK YOU! 1521-14-0060-00-MISU OpenFlow_PoA