1. A Possible New Dawn for the Future GÉANT Network Architecture
Tony Breach, NORDUnet A/S
GN3 JRA1 Future Network
Vilnius, Lithuania
31 May - 3 June 2010

2. Introduction

3. JRA1 T1 Status: Carrier Class Transport Network Technologies
Next step:
Layer 2 routing
Carrier Class Transport Network Technologies
CCTNT
Further study and testing
- OAM.
Protection & Restoration.
Multi-domain implications.
Cost-effectiveness.
Ethernet over MPLS
Synchronous Ethernet
Ethernet
Comprehensive study and demonstration
MPLS-TP
NG-IP
PBB-TE
NG-OTN
NG-OTN
Control Plane (GMPLS)
Control Plane (GMPLS)
Deliverable DJ1.1.1

4. JRA1 T2 Status: Photonic Switching & Experimental Photonic Facilities
Next Step
100G
Data Centre
ROADM
WSS
PIC
Impairment aware Control Plane
All Optical 10+ years if ever!
Optical Components
Optical amplification
Optical add/drop
Photonic fiber switches
Wavelength channel spectrum
Optical Packet and Burst Switches
Forward Error Correction (FEC)
Validate results through practical tests.
Alien Wave

5. JRA1 T3 Status: Federated Network Architecture
Base Model – The building blocks
Model A: Simple architecture
Model B: Complex architecture
Intra-federated
Service A
Tool A
NOC A
Operation Center NE
Network Element
Provide by end users
Service Layer
Operation Layer
Infrastructure Layer
End user Service Layer
Federated Network Architecture
Next step:
Model A & B Prof of Concept
NREN 1
NREN 5
Federated Operation
CPE
NREN 1
NREN 7 X X
NREN 6 X X
CPE X X
NREN 5 X
NREN 4
NREN 7

6. Status: JRA1 T4 - Current and Potential uses of Virtualisation
NAs
SAs
JRAs
Proof of Concept and Prototype -
Integrated virtualisation approach
AutoBahn
Requirement
Analysis
Implementation
(Integration)
Phosphorus
Manticore
Design and planning
Federica
JRA1 T4
4WARD
Study and analysis
AKARI
GENI
Deliverable DJ1.4.1
Deliverable DJ1.4.2
NEXT Step
Virtualisation Services and Framework Study
Virtualisation Services and Framework incl. PoC and Prototype studies

7. Current Common Network Technologies
Cost
Power
Technologies of Today IP
MPLS
Ethernet
SDH
OTN
DWDM
Photonics
SOLUTION - Process traffic at the lowest possible layer

8. Current Common Network Architecture
Network Infrastructures
NMS
Manpower
Communication X
NMS
“CLI” IP
Department A C IP X
NMS
“GUI”
Transmission
Department
PKT/
TDM
NMS
“GUI” B
WDM
Fragmentet Network Architecture Wasting ressources

9. Current Common Multi Domain Network Architecture
Client I/O Back to Back
Virtual Circuits X X
Passive Local access
Domain 1
Domain 2
ODF
Change = Truck roll
Fiber Patch
RFS = 12 to 16 Weeks

10. Optical Transport Network (OTN)
The advantages of OTN compared to SDH IP
Transparent Client Signals
Better Forward Error Correction
Better scalability
Increased number of Tandem Connection Monitoring points
The next big thing
Ethernet
SDH
Optical Channel Layer
Optical Multiplex Section Layer
Optical Transmission Section Layer
OTN
Physical Medium - Fibre

11. X X X     Next Generation OTN  and sub- networking?
Single Converged Transport System
PKT
Ethernet
OTN X X
SDH
Digital
Fibre
Channel
 and sub- networking
Coarse granularity
Switching
Multiplexing
Grooming
Transparent pass through
ESCON  
WDM
Analogue X  
Well-suited to backbone environments

12. The New Dawn of Network Architectures
100% Packet
IPT
Peering X X X X
PoP B
NMS X X
PoP A X X X X
GMPLS
Dynamic Adaptive Switching
NMS
IP/PKT/WDM
IP/OTN/WDM
IP/PKT off Loading
100% Circuit
Metro/Regional
0 Gbps – 10 Gbps
Core Backbone
1Gbps – 100Gbps

13. The New Dawn of network architectures - Federation
Federated Network Architecture Example
NREN 1
NREN 5 X
Federated Operation
OTN Switch
CPE
NREN 7
NREN 1 X
IP (P) Router X
NREN 6 X
IP Peering X X
CPE X X
NREN 5 X
NREN 4
NREN 7
IP Transit
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

14. Summary OTN for Multi-Domain Interconnection
IP intelligence to the edge
Use Federation where it make sense
Centralized IP Core
(IP-T and Peering)
OTN Based Transport Layer
IP Off Loading
Vertical Control Plane Integration
CCTNT for Metro and access networks
DWDM Mesh Base Layer
Uniform Network Architecture will not fit all

15. Thank you Questions... Presentation can be found at:
Report “The New Dawn of Network Architecture” can be found at:
and here:
JRA1 Deliverables can be found at: