Transcript Document

How to integrate 13 networks into one
and live to tell the tale
UKNOF 3
Cogent Communications
1015 31st Street NW
Washington DC 20007 USA
www.cogentco.com
Mark Schleifer
VP IP Engineering
[email protected]
Our Network
One of the World’s Largest All-Optical IP Network
InterContinental
Diverse
Cogent Communications’ All Optical IP Network
Key Statistics
Infrastructure
On-Net Buildings
On-Net
Data Centers
Long Distance
Network (km)
Markets
>1,000
>220
Transport and IP
Cogent
Data Centers
28
Transport Capacity
North America
80 Gbps
Transport Capacity
Europe
40 Gbps
Colocation Space
(m2)
30,000
Transport Capacity
Transatlantic
40 Gbps
Metro Capacity OnNet Buildings
2–5 Gbps
Rings
175
35,000
Metro
Networks
> 85
km
14,000
Peering Capacity
Number of BGP
Sessions
>320 Gbps
> 3,000
Peering Traffic
Private Peering
Ratio
>125 Gbps
> 90%
Our Milestones
Cogent’s Success Story combines Organic Growth
and Acquisition-based External Growth
January 2004
France & Spain
markets launch
February 2002
COI listed on AMEX
August 1999
Cogent founded
Milestones
2000 2001
September 2001
Acquires assets
of NetRail
February 2002
Acquires
Allied Riser
Since 2001, Cogent acquired the
entire business or select assets of 13
companies.
August 2004
Launches U.S.
Layer 2 services
April 2002
Offers Off-Net
Internet service
& colocation
November 2000
Backbone lit in
initial 4 markets
1999
Acquisitions
November 2001
20th U.S. market
complete
October 2004
Offer wholesale
dial IP services
November 2002
Toronto market
launch
2002
April 2002
Acquires major
U.S. assets of
PSINet
April 2002
Acquires building
access agreements
from OnSite Access
September 2002
Acquires major
assets of FiberCity
Networks
2003
September 2004
Germany market
launch
November 2004
Launches managed
security service
2004
February 2003
Acquires Fiber
Network Solutions
May 2003
Acquires assets
of Applied Theory
August 2004
Acquires UFO
October 2004
Acquires
Aleron Broadband
January 2004
Acquires
LambdaNet
France & Spain
March 2004
Acquire fiber network
& equipment in
Germany out of former
Carrier 1 assets
September 2004
Acquires
Global Access
December 2004
Acquires NTT/Verio
dedicated access
business in U.S.
July 2005
Cogent named largest
Ethernet service provider
in U.S. by Ovum-RHK
2005
June 2005
Cogent raises
$69 million in
secondary offering
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?