why singtel won’t peer
DESCRIPTION
Why SingTel Won’t Peer. William B. Norton Co-Founder & Chief Technical Liaison Equinix, Inc. Asia Pacific Peering Forum Singapore, Oct. 5, 2006. Slide Set 1.2. Internet Researcher. 90% externally focused Many documents on Protocols Lack of Operations documents Research: Peering - PowerPoint PPT PresentationTRANSCRIPT
Why SingTel Won’t Peer
William B. Norton
Co-Founder & Chief Technical Liaison
Equinix, Inc.
Asia Pacific Peering ForumSingapore, Oct. 5, 2006Slide Set 1.2
Internet Researcher
• 90% externally focused
• Many documents on Protocols
• Lack of Operations documents
• Research: Peering – How does Peering work?– What are the definitions?– What are the “Tricks of the Trade?”
• 7 years of researching/documenting
White paper process..
Community Operations Research
1. “Ground Truth” w/dozens of experts2. Write White Paper v0.13. Walk community through WP for
comments4. Revise White Paper into new version5. Present White Paper at conferences6. Solicit comments over lunches and
dinners
White papers so far…
Internet Operations White Papers1) “Interconnection Strategies for ISPs”2) “Internet Service Providers and Peering”3) “A Business Case for Peering”4) “The Art of Peering: The Peering Playbook”5) “The Peering Simulation Game”6) “Do ATM-based Internet Exchanges Make Sense Anymore?” 7) “Evolution of the U.S. Peering Ecosystem”8) “Asia Pacific Peering Guidebook”9) “A Business Case for Peering in 2004”10) “The Folly of Peering Ratios?”
Freely available. See Web site or send e-mail to [email protected] Google for “William B. Norton” Introduction-Basic Definitions
Def: TransitThe Internet is a Network of Networks.
An ISP sells access to the Internet, so……must itself get attached to someone who is already attached to the Internet.
Transit Provider B
Transit Provider A$ meter
1) Transit Provider sells metered Internet access.
Def: Peering
Transit Provider B
Transit Provider A
2) Peering is a business relationship wherebytwo companies RECIPRICALLY exchange access to each others customers.
Why Peer?1. Reduce Transit Costs2. Lower Latency3. More Control over Traffic
Peering
AU Internet Region
SG Internet Region
US Internet Region
Global Internet Peering Ecosystem
Tier 1 ISPs
Tier 2 ISPs
Content Providers
What is this Internet Peering Ecosystem anyway?
Characteristics of theseEcosystem Organisms?
Ecosystem Member: Tier 1 ISP
T T
$$ …
P
Tier 1 ISP P
Def: A Tier 1 ISP is an ISP that has access to the ENTIRE Internet Region Routing Table Solely via Peering Relationships
(Doesn’t buy transit from anyoneto reach any destination in theInternet Region.)
Motivation: Is NOT motivated toPeer in region to reduce transit fees,Is NOT motivated to peer with anybody else.
Behavior: “Restrictive” Peering Policy
Ecosystem Member: Tier 2 ISP
T T
$$ …
P
P
Def: A Tier 2 ISP is an ISP that has to purchase Transit to access some part of the Internet Region.
Motivation: Is motivated toPeer in region to reduce transit fees.
Behavior: “Open” Peering or“Selective” Peering PolicyActive in Peering Forums
T T$$
…
Tier 2 ISP
Content Providers
Def: A Content Provider focuses oncontent development and does notSell access to the Internet.
Motivation: SLAs w/well known ISP
Behavior: “No Peering” Policy
T T$$
…
ContentProvider
Generic Peering Ecosystem
Tier 1 ISPs
Tier 2 ISPs
Content Providers
TT T T
T T TTT
T T T
$ flow up
Active Peering GroupsPeering ForumsIX Meetings
Test: Apply defs…
Apply Defs: Peering Dynamics & Motivations
Tier 2 ISP
ContentProvider
Tier 2 ISP
T
T
T
P
$ $
$
P?No, like $.
P?No, like $,
& I Like customer
B
No, I already hear your routesfor FREE!
Synch Point: You have all the defs needed to predict behavior in the Peering Ecosystem.You should be able to answer the question at hand.
Tier 1 ISP Y Tier 1 ISP Y
P?
Why SingTel Won’t Peer?
Why SingTel Won’t Peer?That’s right.They don’t have to.
Why SingTel Won’t Peer?They don’t have to. And,No different from otherTier 1’s in the world
How much Will this “Free Peering”Cost me?
$/Mbps
# of Mbps
Cost of Traffic Exchange
Transit
Amount of Traffic Exchange
Internet
ISP B
+Exchange Point Colo+Peering Port
x
Router
Local Loop
=Monthly Recurring Cost of Peering
ISP A
Peering BreakevenPoint (PBE) PeeringCost=TransitCost
Peering
Peeringvs.Transit
How much Will this “Free Peering”Cost me?
$/Mbps
# of Mbps
Cost of Traffic Exchange in Singapore
Transit $150/Mbps
Amount of Traffic Exchange
Internet
ISP B
+ Rack Space $700+100M Peering Port
x$800
45M Local Loop $3000
=$4500 per month
ISP A
Peering BreakevenPoint (PBE) PeeringCost=TransitCost
Peering
Peeringvs.Transit
Conclusion: If you can peer 30Mbps-45Mbps, Peering it will be cheaper than transit
Scale up…
Rack $700 Rack $700 Rack $700100MPort $800 100MPort $800 gigPort $2,50045Mloop $3,000 155Loop $7,000 155Loop $7,000Mbps Peering Transit
10 $450 $15020 $225 $15030 $150 $15040 $113 $15050 $170 $15060 $142 $15070 $121 $15080 $106 $15090 $94 $150
100 $102 $120110 $93 $120120 $85 $120130 $78 $120140 $73 $120150 $68 $120160 $64 $120
Peering vs Transit in Singapore
$0
$100
$200
$300
$400
$500
1 3 5 7 9 11 13 15
$ of 10's Mbps exchanged
$/m
bp
s
Peering
Transit
# ISPs
Value of an IX
# of Participants at IX
Cost of Building in to IX
Value of an Internet Exchange
$ valueTransitsaved
Peering BreakevenPoint (PBE) Cost=Value Derived