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UKNOF 3
How to integrate 13 networks into one and live to tell the tale
Cogent CommunicationsCogent Communications
1015 31st Street NW1015 31st Street NW
Washington DC 20007 USAWashington DC 20007 USA
www.cogentco.com
Mark SchleiferMark Schleifer
VP IP EngineeringVP IP Engineering
[email protected]@cogentco.com
One of the World’s Largest All-Optical IP Network
Diverse
Inter-Continental
Cogent Communications’ All Optical IP NetworkKey Statistics
Infrastructure Transport and IP
On-Net Buildings >1,000Cogent Data Centers
28Transport Capacity North America
80 GbpsTransport Capacity Europe
40 Gbps
On-NetData Centers
>220Colocation Space (m2)
30,000Transport Capacity Transatlantic
40 GbpsMetro Capacity On-Net Buildings
2–5 Gbps
Long Distance Network (km)
35,000Metro Networks
Rings 175 Peering Capacity >320 Gbps Peering Traffic >125 Gbps
Markets > 85 km 14,000Number of BGP Sessions
> 3,000Private Peering Ratio
> 90%
Our Network
Cogent’s Success Story combines Organic Growth and Acquisition-based External Growth
Since 2001, Cogent acquired the entire business or select assets of 13 companies.
Our Milestones
Acquisitions
Milestones
August 1999Cogent founded
November 200120th U.S. market
complete
February 2002COI listed on AMEX
April 2002Offers Off-Net
Internet service& colocation
November 2002Toronto market
launch
January 2004France & Spainmarkets launch
November 2004Launches managed
security service
July 2005Cogent named largest
Ethernet service providerin U.S. by Ovum-RHK
September 2001Acquires assets
of NetRail
February 2002Acquires
Allied Riser
September 2002Acquires major
assets of FiberCityNetworks
April 2002Acquires building
access agreementsfrom OnSite Access
April 2002Acquires majorU.S. assets of
PSINetMay 2003
Acquires assetsof Applied Theory
February 2003Acquires Fiber
Network Solutions
January 2004Acquires
LambdaNetFrance & Spain
March 2004Acquire fiber network
& equipment inGermany out of former
Carrier 1 assets
August 2004Acquires UFO September 2004
AcquiresGlobal AccessOctober 2004
AcquiresAleron Broadband
June 2005Cogent raises$69 million in
secondary offering
December 2004Acquires NTT/Veriodedicated accessbusiness in U.S.
November 2000Backbone lit ininitial 4 markets
August 2004Launches U.S.
Layer 2 services
1999 2001 2002 2003 2004 20052000
September 2004Germany market
launch
October 2004Offer wholesaledial IP services
Engineering Goals
• Get Traffic on-net ASAP– Turn down acquired backbone– Turn down acquired Transit
• Consolidate multiple POPs in a city
• Consolidate Leased Circuits
Toolbox
• Tunnels– MPLS-TE– UTI/L2TPv3
• BGP– Local-as
• War Room
2001
• 9/2001 – Netrail AS4006– 34 devices/15 sites– New for Cogent – Off net TDM services– Tools Used
• MPLS-TE Tunnels
2002
• 4/2002 – PSInet AS174– ~5000 off-net customers on ~250 devices– Frame Relay Backbone– New to Cogent – Frame Relay– Tools Used
• MPLS-TE• UTI Tunnels• Local-as• Routers pretending to be Frame Switches
2003
• 2/2003 -- Fiber Network Solutions (FNSI) – AS6259– 400 Business customers on ~10 devices– Tools Used
• L2TPv3 Tunnels• Local-as
2004
• 1/2004 -- LambdaNet France/Spain– EU Backbone– New for Cogent - SDH Services– Splitting off from German Network
• Linked IGP• AS Conversion
– Tools Used• Local-as
2004 (Cont)
• 8/2004 – Unlimited Fiber Optics (UFO) – AS22099– New for Cogent – Layer 2 Business
• Required buildout of Native Ethernet Backbone
• 9/2004 – Global Access (GATel) AS13129– Tools Used
• Local-as
2004 (Cont)
• 10/2004 – Aleron AS4200– Tools Used
• MPLS-TE Tunnels• Local-as
• 11/2004 – Verio– ~2400 Customers– Tools Used
• Local-as• War Room
The Rest
• 2/2002 – OnSite Access– Primarily Building Access Agreements
• 2/2002 – Allied Riser (ARC)– Primarily Building Access Agreements– Assets Very helpful with PSInet Migration– Each city an Island with own AS & IPs
• ARIN work to consolidate records
• 9/2002 – FiberCity Networks– Primarily Building Access Agreements
The Rest (Cont)
• 5/2003 Applied Theory– Customers circuits
• 4/2004 Carrier 1– German Fiber Backbone
Q&A
Questions?
