© 2010 Colt Technology Services Group Limited. All rights reserved.
Colt’s Modular Carrier Ethernet: from idea to go-live Nicolas Fischbach
Director, Network & Platform Strategy and Architecture
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Colt – Europe’s Information Delivery Platform
• 44,000km EU high capacity long
distance network, 27,000 transatlantic
• Connecting 22 countries, 39 metro
networks and >150 cities
• 20 data centres and 19,000 connected
buildings
• 500+ NNIs, customers in 77 countries
• MEF / ONF / NFV Member
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Agenda
Ethernet at Colt: history and future
Target architecture and vision
Colt Modular Carrier Ethernet
Augmenting CE with SDN
Summary
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Colt Ethernet: Past, Present and Future
EoSDH
Ethernet Multi-Service Platform
Modular Carrier Ethernet Platform
Performance Assured Ethernet
Ethernet over Fibre
Today
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Agenda
Ethernet at Colt: history and future
Target architecture and vision
Colt Modular Carrier Ethernet
Augmenting CE with SDN
Summary
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Modular MSP
Network Layer
Integration
Next Generation
Access
Next Generation
Datacentre Fabric
Network Functions
Virtualization
Agile Infrastructure
Services Next Generation
Storage
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Agenda
Ethernet at Colt: history and future
Target architecture and vision
Colt Modular Carrier Ethernet
Augmenting CE with SDN
Summary
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MSP Evolution & Network Layer Integration
Customer
Colt Data Centre
Colt Node L2/L3 Packet
DWDM Optical
Colt Node
Customer
Colt Data Centre
DC Fabric
DC Fabric
INTERNET L3
L2
L1
L2 L3
L1
VM
VM
VM
VM
NfV
Customer
In scope
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MSP Colt Core Network
1G
Vendor A
EMS only
Aggregation
Vendor A only
Vendor A CPE only
Node NNI
• Limited interworking needed
• Easy end-to-end management
• Proprietary options to fill gaps
• Offers most services today
• 2006 was too early for modular
• Missing standards to fuel concept
• Lacking right mix of component
vendors
Single vendor MSP platforms
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G.8032 v2
Sub rings
S-tag
1G 10G
CPE
G.8032 v2
Main ring(s) PBB-TE
MPLS Core
CPE
CPE
10G
G.8032 v2
Sub rings
S-tag
1G 10G
CPE
CPE
CPE
10G
X
10G L2 ENNI’s
10G L2 ENNI’s
RPL
RPL
Modular MSP Architecture
CPE: Vendor A Aggregration: Vendor B Edge and Core: Vendor C
OSS & SDN Umbrella
RPL
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Next Generation Access
• Ethernet First Mile Device (EFM-D)
• 8 copper pairs
• Virtual CPE for IP services
• Backup option for Fibre access
Ethernet
First Mile
• Ethernet Access Device (EAD)
• 1G or 10G speed variants
• Dual EAD / fibre resiliency variants
• Virtual CPE for IP services
Ethernet
Fibre
On-net
• Ethernet Access Device (Optional)
• 1G LAN speed variant
• Virtual CPE for IP services
Ethernet
Fibre
Off-net
Customer OLO Node Colt Node Colt DC
LDN
vCPE vCPE
OLO
vFW
• Ethernet Access Device (Optional)
• 1G LAN speed variant
• Virtual CPE for IP services
• Backup option for Fibre access
Ethernet
PON OLO
SIMPLIFY AUTOMATE VIRTUALIZE
CPEs, NLI ZTP, OSS, SDN NFV
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Agenda
Ethernet at Colt: history and future
Target architecture and vision
Colt Modular Carrier Ethernet
Augmenting CE with SDN
Summary
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5
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Colt WAN SDN Application
• DC Network virtualized, but WAN remains static, rigid and complex
• Next step (research mode) to bring SDN to the WAN (L1/L2/L3) : WAN
virtualisation & automation:
– Flexible connectivity
– Dynamic / On-demand connectivity attributes (BW, QoS profile)
– WAN Network abstraction (multi-vendor, multi-layer)
– In-life service-type change
• Iinterest in both DC and non-DC WAN scenarios:
– Cloud Inter-DC (data & storage)
– Enterprise to DC (Public / Private Cloud)
– Enterprise to Enterprise Optical & Carrier Ethernet VPN
• WAN SDN overlay solutions seem realistic (several models):
– OpenFlow (with transport extensions if needed) agents in WAN network devices: standard API for
configuration, monitoring & configuration
– Alternative to manage OF agent at the SDN controller plus other classic protocols (SNMP, etc)
– Existing transport control planes available (RSVP-TE, GMPLS, etc) for overlay solutions
– A mixed set of models (Overlay/Hybrid/OSS-based) to be analysed
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Agenda
Ethernet at Colt: history and future
Target architecture and vision
Colt Modular Carrier Ethernet
Augmenting CE with SDN
Summary & next steps
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Conclusion and next steps
• Ethernet is the de-facto access technology for WAN and DC LAN
• Monolithic MSP/CE solutions are history: modular, multi-vendor (i.e.
IP like) are real and will become the new norm
• Next we will review the opportunity to introduce a 2nd vendor in each
domain, add 100G as well as making sure our service proposition is
consistent across EU
• Pushing the envelope also implies challenges, it was a very
interesting journey that isn’t just a technology step-change but also
an operating model one
• Not just a like-for-like technology replacement and evolution, but also
new services, capabilities and features for our customers !
© 2010 Colt Technology Services Group Limited. All rights reserved. © 2010 Colt Telecom Group Limited. All rights reserved.
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