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

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

121-14-0060-00-MISU OpenFlow_PoA

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http://standards.ieee.org/guides/opman/sect6.html

http://127.0.0.1:4664/cache?event_id=757737&schema_id=1&s=5X0vID10lu_E6yrIkWkNd4Wz2H8&q=hancock

http://standards.ieee.org/board/pat/faq.pdf

802.21 Use Case Proposal for the Wireless & Mobility Working Group

Daniel Corujo, Carlos Guimarães, Rui Aguiar

Charles Perkins

Subir Das


Outline

• Introduction• Base Scenario• Proposed System• Plan


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)


Introduction (cont’d)

• These are quite useful forDetecting and acting regards the dynamics of wireless

environmentsConvey this information/actions in a remote way

• Different scenarios become enabledHandover optimizationMonitoringLoad balancing…


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


Base Scenario (cont’d)

• Specific SDN impact of the scenarioThe 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


Examples – Load Balancing

OpenFlow PoA #1

OpenFlow PoA #2

MN

OpenFlow Switch

OpenFlow Controller

MNMN

MN MNMN

MN

MN

MN


Examples – Handover Optimization

• PoA sends monitoring data to Controller (i.e., Load Values)

OpenFlowPoA #1

OpenFlowPoA #2

OpenFlow Switch

OpenFlow Controller

MN


Examples - Monitoring

OpenFlowPoA #1

OpenFlowPoA #2

MN

OpenFlow Switch

OpenFlow Controller

CN

MN


Proposed System

• Wireless Interfaces (at Network Equipment and mobile terminals)

Able to provide wireless link related information to an “OpenFlow Controller”

New counters, parameters…

OpenFlowPoA #1

OpenFlow Switch

OpenFlow Controller

MNMN wireless interface information

PoA wireless interface information Ctrl combines MN and PoA Wireless infow/ Ethernet SwitchInfo, for optimization


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

OpenFlowPoA #1

OpenFlow Switch

OpenFlow Controller

MN


Plan

• Dual evolution processSome 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 scenariosI.e., previous demo

• Next step: Assess architectural and protocol impact to OpenFlow

Identify parameters, structures and procedures


THANK YOU!


Documents

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