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The Australian Wide-Area SDN Testbed

AusNOG, September 2015

David Wilde, AARNet

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AARNet network circa 1993

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AARNet: national network 2015

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AARNet: international network

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AARNet: global R&E

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AARNet: known for…

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… and:

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SDN: WHY? Software Defined Networking

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SDN as enabler

Network

Compute

Storage

Software tools

User engagement

Full-service « ecosystem »

SDN

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NFV … Virtual CPE … SDN LSR … capacity management …

policy vs CLI … virtual FW/LB … intelligent edge

SDN potential

Lower cost More features

Commodity silicon

Cheap compute + virtualisation

DC/cloud ISP/telco

Users Administrators

Single view of network

Integrate compute/storage/network

Campus/enterprise

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ENABLING SDN RESEARCH Australia-wide SDN Testbed

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Background

LIEF: Linkage Infrastructure, Equipment and Facilities

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Participating institutions

LIEF: Linkage Infrastructure, Equipment and Facilities

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Towards an SDN testbed Step 1: the AARNet SDN testbed

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Towards an SDN testbed Step 2: extend…

AARNet

backbone

AARNet SDN testbed

Sydney

Melbourne

Seattle

Perth

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Towards an SDN testbed

CSIRO

UQ

UNSW

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backbone

AARNet SDN testbed

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Sydney

Melbourne

Seattle

Perth

SwinburneUTS

MacquarieANU

WollongongRMIT

Adelaide

NTU

NTU

NTU

SDN research

rack

SDN research

rack

SDN research

rack

Step 2: the Australia-wide SDN testbed

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Towards an SDN testbed

Image: https://wiki.onosproject.org/display/ONOS/SDN-IP+Architecture

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The internals

SDN

IP

IP

IP

IP

ONOS

BGP

Daemon

RIB Routing RIB

Sync

BGP routing updates

Considerations

Entire SDN AS appears as a single big router to external peers

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RESEARCH DIRECTIONS Australia-wide SDN Testbed

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Research possibilities « Esnet Coalition Partners Announce Global Breakthrough for

Software-Defined Networking”

- ONOS Atrium

- Corsa DP64x0 switches

- 15,000 BGP routes

http://www.theregister.co.uk/2015/05/12/internation

al_sdn_demo_just_the_start_for_aarnet/

http://news.aarnet.edu.au/coalition-announces-

global-breakthrough-for-software-defined-

networking/

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Research possibilities SDN + IXP + end-to-end service guarantees

AS1

AS4

AS2

AS3

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Research possibilities Intra- vs inter-domain SDN

UNSW

CSIRO

AARNet

SDN

testbed

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Research possibilities

Géant

Internet2

AARNet

REANNZ

ESNet

Inter-domain SDN

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Research possibilities

University campus

Science DMZ

Border router

Border Edge Switch/router

AARNetPE APL-NTU

Enterprise firewall

Site/Campus

LAN

- Staff

- Students

- Instruments

- Compute/storage

- etc

Data Transfer Node with high-speed storage

Data-intensive

resources

Clean, high-bandwidth

path to/from WAN

Site/campus access to

Science DMZ resources

Per-service

security policy

control points

To other R&E destinations

or the internet

https://fasterdata.es.net/

« Science DMZ » + security

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• Connect more researchers

• Encourage collaborations

• Run interesting tests

• Add complexity…

Looking forward

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Collectively build understanding of the SDN ecosystem

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David Wilde david.wilde@aarnet.edu.au Vijay Sivaraman vijay@unsw.edu.au Craig Russell craig.russell@csiro.au