Peering Simulation Gamedrpeering.net/white-papers/Africa2010/Peering Simulation Game.pdf · The...
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Peering vs Transit Economics : The Peering Simulation Game
11-12 August 2010 11:00-13:00 Nairobi, Kenya Sarova Panafric Hotel Nairobi
African Peering and Interconnection Forum: Unlocking Africa’s Regional Interconnection
William B. Norton Executive Director
DrPeering International
This work was sponsored in part by ISOC and DrPeering.net
http://DrPeering.net/wbn
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Background
1987 – building Internet Ops community
1998 – building Peering Intelligence
2008 – consulting, education
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DrPeering.net Peering Resources • Internet Service Providers and Peering • A Business Case for Peering • About the White Paper Process • The Art of Peering - The Peering Playbook • The Art of Peering - The IX Playbook • Chief Technical Liaison • Ecosystems: 95th Percentile Measurement for
Internet Transit • Asia Pacific Peering Guidebook • Evolution of the U.S. Peering • Emerging Video Internet Ecosystems • European vs US Internet Exchange Points • Internet DataCenter Build vs Buy Decision • Internet Service Providers and Peering
• Internet Transit Pricing Historical and Projections
• Modeling the value of an Internet Exchange Point
• NANOG History • Peering: Motivations to Peer • A Study of 28 Peering Policies • Peering Simulation Game • Peering: Top 10 Ways to Contact Peering
Coordinators • Peering: Top 10 Reasons NOT to peer • Public vs Private Peering - the Great Debate • The Folly of Peering Ratios • Top 9 IX Selection Criteria • Video Internet - The Next Wave of Massive
Disruption to the U.S. Peering Ecosystem All freely available
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Internet Peering Lexicon
“10 minute Peering Tutorial” And then
Live the Life: Peering Simulation Game
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Def: The Internet is a network of networks.
Def: ISP sells access to the Internet, so... An ISP must itself get attached to an ISP already
attached to the Internet. Def: ‘Transit’ is service whereby one ISP sells access to the Internet.
“A port in the wall that says ‘Internet this way’”
Upstream ISP
metered 95th percentile... 95th
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Billing Internet Transit:95th Percentile
95th Percentile measure (aka 95P)
1 month of 5 min Samples=vn - vn-1
}~36 hrs/month to burst for free
Lowest Monthly Sample
Highest Monthly Sample
1Mbps
:
134Mbps : : :
:
Dropping transit fees
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U.S. Internet Transit Pricing
• 1999 $1200/Mbps • 2004 $120/Mbps • 2008 $12/Mbps • 2010 $5/Mbps
Source: “Transit Pricing Historical and Projected” http://DrPeering.net
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So Why Peer?
Bypass metered transit • #1 Lower Transit
Costs. • #2 Lower Latency. • #3 Usage-based traffic
billing. • 4) Marketing Benefits
Source: http://drpeering.net/white-papers/Peering-Motivations-to-Peer.html
100 ISPs surveyed…
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Definition of Internet Peering Def: Peering is the business relationship whereby ISPs reciprocally announce reachability to each others’ transit customers.
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• Internet viewed as a Global Internet Peering Ecosystem
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JP Internet Region
AU Internet Region
US Internet Region
Global Internet Peering Ecosystem
Tier 1 ISPs
Tier 2 ISPs
Content Providers
Def: Global Internet Peering Ecosystem consists of a set of interconnected internet regions (countries).
Characteristics of these Ecosystem Organisms?
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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 anyone to reach any destination in the
Internet Region.)
Motivation: Is NOT motivated to Peer in region to reduce transit fees,
Is NOT motivated to peer with anybody else.
Behavior: “Restrictive” Peering *def: Policy
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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 to Peer in region to reduce transit fees.
Behavior: “Open” Peering or “Selective” Peering Policy Active in Peering Forums
T T
$ $
…
Tier 2 ISP
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Content Providers Def: A Content Provider focuses on
content development and does not Sell access to the Internet.
Motivation: SLAs w/well known ISP
Behavior: “No Peering” Policy
T T $ $
…
Content Provider
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Internet Peering Ecosystem
Tier 1 ISPs
Tier 2 ISPs
Content Providers
T T T T
T T T T T
T T T
Traffic and $ flow up
Active Peering Groups Peering Forums
IX Meetings Test: Apply defs…
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Quiz
Tier 2 ISP B
Content Provider C
Tier 2 ISP A
T
T
T
P
$ $
$
Tier 1 ISP X Tier 1 ISP Y
2) Definition of Peering: ________________
1) Definition of Transit: ________________
3) Definition of an “Open” Peering Policy: _____________________
4) Definition of a “Selective” Peering Policy: _____________________
5) Definition of a “Restrictive” Peering Policy: ____________________
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Apply Defs: Peering Dynamics & Motivations
T
T
T
P
$ $
$
P? No, like $.
P? No, like $, & I Like customer
B
No, I already hear your routes
for 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 X Tier 1 ISP Y
P?
Internet Peering Ecosystem
Tier 2 ISP B Tier 2 ISP
A
Content Provider
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The Peering Simulation Game
Let’s exercise these definitions
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The Players • Internet Service Provider A
– Peering Coordinator • Internet Service Provider B
– Peering Coordinator • Internet Service Provider C
– Peering Coordinator • Internet Service Provider D
– Peering Coordinator
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3 Helpers
• Transit Provider X: • Transit Provider Y: • Exchange Point Operator:
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
The Peering Game
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3 Rules 1. Goal: Maximize bank holdings. Make money by
acquiring customers and reduce transit costs by peering 2. Play: Roll the dice and expand your network by
selecting that many adjacent “squares” of customers Gain transit revenue of $2000 for each customer square
you own Pay transit fees of $1000 for each square of traffic that
other ISPs own 3. If at Exchange Point, two ISPs can negotiate peering:
– $2000 recurring cost and loss of 2 turns, ISPs negotiates who covers the costs of peering
– Peering ISPs do not have to pay transit for each others squares starting the next turn
Quick round…
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
A A A A
A
A rolls 5, Wants to peer w/B – moves to IXN Receives revenue on 6 squares (6*$2000) Pays Transit on others squares (3*$1000)
$12,000 - $3,000 = $9,000
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
A A A A
A
A rolls 5, Pays Transit on others squares (3*$1000) Receives revenue on 6 squares (6*$2000)
$12,000 - $3,000 = $9,000
B rolls 3, Going to IXE
Receives revenue on 4 squares (4*$2000) Pays Transit on others squares (8*$1000)
$8,000 - $8,000 = $0
B B B
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
A A A A
A
A rolls 5, Pays Transit on others squares (3*$1000) Receives revenue on 6 squares (6*$2000)
$12,000 - $3,000 = $9,000
B rolls 3, Can get to IXE
Pays Transit on others squares (8*$1000) Receives revenue on 4 squares (4*$2000)
$8,000 - $8,000 = $0
B B B
C rolls 6, Can get to IXW, likes IXS
Receives revenue on 7 squares (7*$2000) Pays Transit on others squares (11*$1000)
$14,000 - $11,000 = $3,000
C C
C
C C
C
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
A A A A
A
A rolls 5, Pays Transit on others squares (3*$1000) Receives revenue on 6 squares (6*$2000)
$12,000 - $3,000 = $9,000
B rolls 3, Can get to IXE
Pays Transit on others squares (8*$1000) Receives revenue on 4 squares (4*$2000)
$8,000 - $8,000 = $0
B B B
C rolls 6, Can get to IXW, IXS
Pays Transit on others squares (11*$1000) Receives revenue on 4 squares (7*$2000)
$14,000 - $11,000 = $3,000
C C
C
C C
C
D rolls 1, Late entrant heading to IXE
Receives revenue on 2 squares (2*$2000) Pays Transit on others squares (17*$1000)
$4,000 - $17,000 = -$13,000
D
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Scoreboard after Round 1
• ISP A: $9,000 • ISP B: $0 • ISPC: $3,000 • ISPD: -$13,000
• On to Round 2
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
Y Y
X X
A A A A
A
A rolls 5, Pays Transit on others squares (3*$1000) Receives revenue on 6 squares (6*$2000)
$12,000 - $3,000 = $9,000
B rolls 3, Can get to IXE
Pays Transit on others squares (8*$1000) Receives revenue on 4 squares (4*$2000)
$8,000 - $8,000 = $0
B B B
C rolls 6, Can get to IXW, IXS
Pays Transit on others squares (11*$1000) Receives revenue on 4 squares (7*$2000)
$14,000 - $11,000 = $3,000
C C
C
C C C
D rolls 1, Late entrant heading to IXE
Pays Transit on others squares (17*$1000) Receives revenue on 4 squares (2*$2000)
$2,000 - $17,000 = -$15,000
D
A rolls 3, Attaches to IXW
Receives revenue on 9 squares (9*$2000) Pays Transit on others squares (13*$1000)
$18,000 - $13,000 = $5,000
Wants to peer with C – split costs? YES: -$1,000 + both lose a turn
Neither has to pay transit to each other!
A
A A
C
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A
C
B
D
Transit Provider X
Transit Provider Y
IXW IXE
IXN
IXS
YC Y
XB XA
A A A A
A
A rolls 5, Pays Transit on others squares (3*$1000) Receives revenue on 6 squares (6*$2000)
$12,000 - $3,000 = $9,000
B rolls 3, Can get to IXE
Pays Transit on others squares (8*$1000) Receives revenue on 4 squares (4*$2000)
$8,000 - $8,000 = $0
B B B
C rolls 6, Can get to IXW, IXS
Pays Transit on others squares (11*$1000) Receives revenue on 4 squares (7*$2000)
$14,000 - $11,000 = $3,000
C C
C
C C C
D rolls 1, Late entrant heading to IXE
Pays Transit on others squares (17*$1000) Receives revenue on 4 squares (2*$2000)
$2,000 - $17,000 = -$15,000
D
A rolls 2, Attaches to IXW
Pays Transit on others squares (13*$1000) Receives revenue on 8 squares (8*$2000)
$16,000 - $13,000 = $3,000 Wants to peer with C – split costs?
YES: -$1,000 both lose a turn Neither has to pay transit to each other
A
A B rolls 6,
Attaches to IXE*IXN Receives revenue on 10 squares (10*$2000) Pays Transit on others squares (21*$1000)
$20,000 - $21,000 = -$1,000
Wants to peer with A – split costs? NO: You pissed me off,
Yes: if $0 & B lose both turns Both walk away
B B B B B A Position
9 Revenue squares 1 lost turn
Peering w/C reduced cost $8000/turn
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Let’s play! WELCOME TO BILLAND
4 ISPs that have never played before
Open Board $35,000 VC Funding We want to hear your thought process and peering
negotiations Winner - prize
$25,000 VC Funding 1¥ = $1000
WINNER: At 5:25?PM we will stop and assume that every roll was a “3” from that point on out to 12 rounds..
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Play the Peering Simulation Game…
Worksheet
Worksheet