Peering is more than just setting up sessions with any AS that will accept one. Peering can involve long-term relationships that require reviews and joint planning to grow synergy. A critical milestone in any peering relationship is the business review; and when it comes to business reviews, it’s all about preparation. Learn how Kentik can help you get ready to ace business reviews with peering partners.
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How to Prepare For a Peering Partner Business Review by CF Chui, Kentik
1. How to Prepare for a
Peering Partner Business
Review
C F Chui
2. • Open peering policy - will peer with everyone and everywhere possible
• Selective peering policy - will generally peer, but there are a set of requirements that define how
mutual benefit can be gained from peering
• Restrictive peering policy - will peer, but not seeking new peers and will generally decline any
requests
Peering policy basics
3. • Ratio - the network requires a certain balance between the sent and received traffic from the
potential peer
• Volume - the network requires a certain volume to justify the increased workload involved in
setting up and maintaining connections
• Locations - the network requires a certain geographic overlap between the networks so they can
hand off traffic most efficiently and save bandwidth within their own network
• Customers of an existing peer - if your network is a customer of an existing peer to your peering
prospect, your traffic is already on a free connection for them and your traffic might be needed in a
potential ratio-relationship between your peering prospect and your provider
Selective peering policy
6. Routing
• How is traffic routing in your network?
• How is traffic routed in your peer’s
network?
• Routing
• Quality
• Volume
• Cost
• BATNA
• Data Explorer is your friend
15. Quality - Synthetic tests
• Continuous path monitoring with alerts shows your
connectivity works as planned and alerts you when
it does not
• Continuous monitoring of packet loss, latency and
jitter with alerting means you are already on it
before your customers experience any degradation
• Automation could be triggered by alerts from the
tests and do it for you
• State of the internet measurements can help you
quickly determine if an alert from a test from your
network to an internet destination is due to internet
weather or if you need to take action inside your
network.
• Routing
• Quality
• Volume
• Cost
• BATNA
18. Private Agents
Comparison Item 1
• test services inside your network
• Test gateway availability
• Test routing to your network
• Test global reachability
• Destinations inside your network
• Destinations on the internet
• Test routing from your network to
destinations of interest
• Inside your network
• Outside your network
• Test latency to selected destinations
• Test services used by your customers from
inside your network
Global Agents
20. Volume
• You will need to have a simple check of the
ratio and the volume of traffic if your peering
partner’s policy requires it. However it is more
important to have a traffic forecast. What is
the expected traffic growth? When you know
this, you can discuss the capacity of the
connections with the peering partner.
• Routing
• Quality
• Volume
• Cost
• BATNA
23. Peering type and technology
• Routing
• Quality
• Volume
• Cost
• BATNA
• Public or Private peering
• Private peering
• Interface capacity?
• 10G vs 100G vs 400G?
• Metro connect or cross connects
And what do we think our peer prefers?
24. BATNA
• Routing
• Quality
• Volume
• Cost
• BATNA
• Best Alternative to Negotiated Agreement
• Is status quo good enough?
• Should we move to transit?
And what do we think our peer would do?
27. • We have identified a routing issue and documented a hairpin issue in the current setup.
• We have documented the consequences of the issue by showing latency data.
• The solution is a new connection in the NYC metro.
• Since traffic is growing very slowly, there is not an immediate need for more capacity so, if fixing the
hairpin is not important for the peer, we can:
• Offer to pay the cross connects, or
• Suggest a session on an IXP in the metro.
• If the status quo is unacceptable to us, our BATNA is to buy local transit and move the traffic to that
connection.
Game Plan