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A Possible New Dawn for the Future GÉANT Network Architecture

Tony Breach, NORDUnet A/SGN3 JRA1 Future Network

Vilnius, Lithuania31 May - 3 June 2010

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Introduction

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Comprehensive study and demonstration

CC

TNT

Car

rier C

lass

Tra

nspo

rt N

etw

ork

Tech

nolo

gies

JRA1 T1 Status: Carrier Class Transport Network Technologies

Next step:

NG-IP

Layer 2 routing

Ethernet over MPLS

MPLS-TP

PBB-TE

NG-OTN

Control Plane (GMPLS)

Ethernet

Synchronous Ethernet

NG-OTN

Control Plane (GMPLS)

Further study and testing- OAM.- Protection & Restoration.- Multi-domain implications.- Cost-effectiveness.

Deliverable DJ1.1.1

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JRA1 T2 Status: Photonic Switching & Experimental Photonic Facilities

Impairment aware Control Plane

ROADM

WSSPIC

Alien Wave

100G

Data Centre

Data Centre

All Optical 10+ years if ever!

Next Step

Validate results through practical tests.

Optical ComponentsOptical amplificationOptical add/drop Photonic fiber switches Wavelength channel spectrum Optical Packet and Burst SwitchesForward Error Correction (FEC)

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JRA1 T3 Status: Federated Network Architecture

Model A: Simple architecture

Model B: Complex architecture

Intra-federatedService AIntra-federated

Intra-federatedTool A

Intra-federatedIntra-federatedNOC AOperation Center

NENetwork Element

Intra-federatedIntra-federatedService A

Service AProvide by end users

Service Layer

Operation Layer

Infrastructure Layer

End user Service Layer

Fede

rate

d N

etw

ork

Arc

hite

ctur

e

Base Model – The building blocks

Next step: Model A & B Prof of Concept

NREN 1

NREN 6

NREN 4 NREN 7

Federated Operation

X

X

NREN 5

NREN 1NREN 5

NREN 7

CPEX

X

XX

X

CPE

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Status: JRA1 T4 - Current and Potential uses of Virtualisation

AutoBahn

Phosphorus

Manticore

Federica

4WARD

AKARI

GENI

Implementation(Integration)

Deliverable DJ1.4.2

RequirementAnalysis

Study and analysis

NAsSAsJRAs

Virtualisation Services and Framework Study

Proof of Concept and Prototype -Integrated virtualisation approach

Virtualisation Services and Framework incl. PoC and Prototype studies

JRA1 T4

Deliverable DJ1.4.1

Design and planning

NEXT Step

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Current Common Network Technologies

IP

MPLS

Ethernet

SDH

OTN

DWDM

Photonics

Tech

nolo

gies

of T

oday

Cost Power

SOLUTION - Process traffic at the lowest possible layer

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WDM

PKT/TDM

IP

Current Common Network Architecture

Fragmentet Network Architecture Wasting ressources

X

XX

XX

X

X

XX

XX

X X

XX

X

XX

XX

X

X

X

NMS“CLI”

NMS“GUI”

NMS“GUI”

IPDepartment

TransmissionDepartment

Network Infrastructures NMS Manpower Communication

AC

B

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Current Common Multi Domain Network Architecture

X XDomain 2Domain 1

Fiber Patch

ODFChange = Truck roll

RFS = 12 to 16 Weeks

Passive Local access

Virtual Circuits

Client I/O Back to Back

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Optical Channel LayerOptical Multiplex Section LayerOptical Transmission Section Layer

OTN

Optical Transport Network (OTN)

Transparent Client SignalsBetter Forward Error CorrectionBetter scalabilityIncreased number of Tandem Connection Monitoring points

Physical Medium - Fibre

SDH

Ethernet

IP

The next big thing

The advantages of OTN compared to SDH

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Next Generation OTN

and sub- networkingCoarse granularitySwitchingMultiplexingGroomingTransparent pass through

Dig

ital

OTN

XESCON

Ethernet

FibreChannel

SDH

WDM

X

PKT

X

?Single Converged Transport System

Well-suited to backbone environments

Ana

logu

e

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The New Dawn of Network Architectures

Metro/Regional 0 Gbps – 10 Gbps

X

X

X

XX

X

NMS

IP/OTN/WDM

NMS

GMPLS

PeeringIPT

X XX

X

IP/PKT/WDM

100% Packet

100% Circuit

Dyn

amic

Ada

ptiv

e S

witc

hing

IP/PKT off Loading

Core Backbone 1Gbps – 100Gbps

PoP A PoP B

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The New Dawn of network architectures - Federation

NREN 1NREN 6

NREN 4 NREN 7

Interconnections provided by individual domains e.g. wavelength or sub waves Demarcation Nodes (OTN and IP) provided by Virtual operator NOC handled by the Virtual operator

Federated OperationOTN Switch

IP (P) Router

IP Transit

IP Peering

Federated Network Architecture Example

X

X

X

X

NREN 5

NREN 1NREN 5

NREN 7

CPEX

X

XX

X

CPE

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Summary

IP intelligence to the edge

IP Off Loading OTN Based Transport Layer

DWDM Mesh Base Layer

Centralized IP Core(IP-T and Peering)

Uniform Network Architecture will not fit all

OTN for Multi-Domain Interconnection

Use Federation where it make sense

CCTNT for Metro and access networks

Vertical Control Plane Integration

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Thank you

Questions...

Presentation can be found at: http://tnc2010.terena.org/schedule/presentations/show.php?pres_id=38

Report “The New Dawn of Network Architecture” can be found at: http://tnc2010.terena.org/schedule/presentations/show.php?pres_id=38

and here:www.geant.net/Media_Centre/Media_Library/Pages/Deliverables.aspx

JRA1 Deliverables can be found at: www.geant.net/Media_Centre/Media_Library/Pages/Deliverables.aspx