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Bericht aus dem BelWü !

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Stefan Wesner!Tim Kleefass!

Wolfram Hellstern

bwNET100G+ – Integrated Innovation for Evolving the BelWü Network

Prof. Dr.-‐Ing. Stefan WesnerWiss. Leiter BelWü

Direktor Kommunikations-‐ und InformationszentrumUniversität UlmDirektor Institute of Information Resource Management

100GNETbw +


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BelWü facts

Project Content description Comments concerning actual version

Contact & Copyright Author (creator) Date

BelWü 2016+ Potentielle Leitungsverläufe und Wellenlängenfilename: 2016-BelWue.graffle

BelWü LandeshochschulnetzIndustriestr. 28D-70565 [email protected]

20.04.2011 14:25 Tim Kleefass

Version 4

Author (last modification) Date

06.08.2015 14:59 Tim Kleefass

DE-CIXTelia

Level3

DFN

SWITCH

MANDA??

DFN

Fuw-HS Vis-

HS Tro-MH

Sig-HS

Nue-HS

Reu-HS

Boe-BH

Fds-Zoll

Keh-HS

Hor-DHBW

Gen-HS

Lbg-FA

Lbg-PH

Mar-DLA

C-band as pass through

Fdh-DHBW

Wei-HS

Rav-DHBW

Bib-HS

Sgd-PH

Gei-HS

KarlsruheEss-

HSGoe-

HS

Sgd-GC

Alb-HS

DRAFT DRAFT DRAFTA t t h i s t i m e i t i s unknown if we can or will realize the fiber network as shown in this map.

Frb-KG

-- Only Ch. 52-59 --

Only ITU Ch. 23

Hdl-RZ

Mos-DHBW

Hlb-HS

Kue-HS

Shl-HS

Many pairs of fibers (own, on the Campus, 1-10 km)One pair of fibers:red: phase 1 (with 100G wavelengths)black: phase 2

Ofg-HS

Tut-HS

Man-RZ

Man-Schl

Stu-NWZ

Kar-RZ

Ras-ALM

Bad-KUHA

Ulm-N26

Hdl-City

Pfo-HS

Frb-RZ

Fra-DECIX

Loe-DHBW

Ulm-N25

Stu-AL30

Tue-Wae

Kon-Bib

Kar-Bib

Kar-Nord

Hoh-Ost

Kon-RZ

Tue-Mor

Aal-HS

Hdh-DHBW

Onl

y L-

band

in

loca

l-loo

p

C-ba

nd a

s pa

ss th

roug

hMannheim

Stuttgart

Hohenheim

Heidelberg

Ulm

Tübingen

Konstanz

Freiburg

Hoh-West

Small Pop, only L-Band(e.g., non-University)

Mid-range PoP (e.g., small University)

Big PoP (e.g. University)w/ 100G connection

Stu-MWK

Stu-Zet

-- Only Ch. 52-59 --

Fra-TC

Potential optical Amplification Locations

25?

40?

HWDMC-/L-Bandfilter

Wei-PH

Stu-I28

Stu-K1

-- Only Ch. 52-59 --

Stu-IZL

10

15

55

50?

80?

30 40

2?

60?

10?

55?

51 50

1

80?

23 km 80?

76

25

96

94

70210

60?

60

50

49 68

37

130110

60? 80? 32

80?

100?

10

90 5070

10

9 16

10?

10?

15

101

1

1

1

35?

30

65 35

45

1540

60

28

33 9020

5020

40

5?

25

96

6

1

1

2

ZDN2015 -‐ Universität Tübingen 2


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BelWü facts

• Internet Service Provider in the region of Baden-‐Württemberg for• 9 universities• 23 universities of applied sciences• 8 locations of the DHBW• 6 universities for education (PädagogischeHochschulen)• 8 universities for music and art• Other scientific organisations, schools, libraries and others

• Additionally• Webhosting and moodlebased e-‐learning services• “Jugendschutzproxy” for schools• E-‐Mail services, SPAM detection• Basic network services (DNS, NTP, ...)

• Organizational home of BelWü is University Stuttgart



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BelWü facts – for engineers

• >2.000 km dark fibe, >1.000 km rented bandwidth• 50 Backbone POPs, 50 optical amplifiers• >80x10G and 10x100G bandwidth• Customer Ports: Layer 3: 60 * 10GE, 260 * GE, 140 * FE

Layer 2: 11*100GE~200 Backbone-‐Router• ~3.000 CPEs for schools and smaller institutions• Operated with 8 FTE permanent staff, 3 commercial customer income based positions, 8 teachers, students...



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BelWü facts – for politicians historiansYear Highlight

1987 Inauguration of BelWü, partially bridged IP and IP over X.25

1989 All universities in Baden-‐Württemberg connected to BelWü

1994 Full Mesh Network between universities with 2-‐34 Mbit/s

1998 Next technology step with 155 Mbit/s ATM connection

2001 Extension of the network to 1 Gbit/s (Cisco 12410/GSR), SRP/DPT rings with 2.4 Gbit/s und 622 Mbit/s

2006 First 10 Gbit/s connections

2010 Preparation of backbone network for 100Gbit/s-‐fahigen-‐Netz with Cisco ASR 9000. Self-‐operatedpassive DWDM, connectivity between major sites with multiple 10Gbit/s Ethernet connections

2013 First 100 Gbit/s connection

2014 100 Gbit/s connection for all universities in BaWü

2016/2017

Full optical dark fibre based backbone, ROADM based?, 100GBit IP routers?



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Does BelWü need a new innovation process?100G

NETbw +



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Innovation process so far


Driven by the “bandwidth race”

Backbone as continuous bottleneck

Researcher needs focused on regional

collaborations

Requirements indirectly

communicated via TA members

Dependency on external experts

Upgrade schedule slowed down due to rented BW lines


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So why can’t we just go on?

BelWü 2017+

Scientific Chairman

Vision, Flexible Network supporting the wide range of different regional collaborations, provide sufficient bandwidth, optimise for different traffic types, adopt emerging and new technolgies, …

BelWü NOC

Ever increasing complexity with fixed number of staff,Emerging (immature?) technology versus 24/7 availability

BelWü TA

Operation staff from the universities, paid to be conservative

Vendors

Push their specific solution as world best option J



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Example bwHPC Services

Neuroscience

Microsystems technology

Physics:particle physics

FR

Physics:astrophysics

Biology:bioinformaticsTÜ

Theoretical Chemistry

Ulm

Economics-‐ & Social Sciences

Biology: Systems biology and structural biology

MA/HD



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bwNET100G+ solution approach à team up


Expertise in key technology areas from research

Operational Expertise

KIT, Institut für TelematikProf. Dr. habil Martina Zitterbart

EKT, Lehrstuhl KommunikationsnetzeProf. Dr. habil. Michael Menth

UULM, Institut für vert. SystemeProf. Dr. Frank Kargl

KIT, SCCProf. Dr. Hannes Hartenstein

EKT, ZDVProf. Dr. Thomas Walter

UULM, KIZProf. Dr.-‐Ing. Stefan Wesner

BelWueProf. Dr.-‐Ing. Stefan Wesner

AP1: Methoden für den flexiblen und intelligenten Netzbetrieb

AP2: Datentransport in Hochleistungsnetzen

AP3: Sicherheitskonzepte fürHochleistungsnetze

AP4: Betrieb, Öffentlichkeitsarbeit und Transfer


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bwNET100G+ Infrastructure


Belwü

Netz Uni Tübingen

FHP Zone

NetzUni Ulm

KITNetz

FHPZone

FHPZone

InstituteInstitute

Institute

Institute

100G

10 x 10G

100GSwitch

OpenFlow

High SpeedTransfer NodeOpenFlow

ControllerInstitute

InstituteInstitute

Institute

FHPZone

Institute

Institute

InstituteInstitute


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WP1: Methods for a flexible and intelligent network operation


AP1: Methoden für den flexiblen und intelligenten Netzbetrieb

Application Scenarios of SDN within a Campus

Network

Methods for realizing “flexible high performance

zones”

SDN Technology and products “robustness”

analysis

Scalability, Application

beyond 100Gbps?

• Scenarios & Challenges• Deployment costs (considering

infrastructure in the field)• Operational impact/costs• Security and regulatory impact


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WP2: Data Transport in High-‐Speed networks


AP2 Datentransport in Hochleistungsnetzen

Analysis of protocol

performance for the use cases

SDN based traffic engineering &

traffic mix control

Protocol optimisation

Data Transport solutions beyond

100Gbps?




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WP3: Security concepts for High-‐Speed Networks


AP3 Sicherheitskonzepte furHochleistungsnetze

Set-‐up of high-‐speed security

testbed

Methods for SDN based security

FPGA based prototype

implementation and evaluation

Scalability, Application

beyond 100Gbps?




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Conclusions

• It is no longer enough for a research network to deliver just competitive bandwidth• Adoption of new technological trends and solutions in a 24/7 operational infrastructure is complex and a conflict area• bwNET100G+ solution approach

• Dedicated network infrastructure and test server with direct WAN access as playground

• Requirements and challenges from the practitioners• Integrated teams with researchers and operational staff• Validation will be based on technology capabilities but also onoperational and economic impact

• Proposed concepts from bwNET100G+ might not make it into production (“veto” position of operation)



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Wolfram Hellstern

Thanks for your attention and for using BelWü today…

Get in touch: stefan.wesner@uni-‐ulm.de , [email protected]

Acknowledgements: contains slides from Tim Kleefass (BelWü) and pictures from the bwNET100G+ project description



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BelWü facts – practical view


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