Peering and Financial Settlements An overview of the financial basis of interconnection within the Internet.

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Presentation transcript:

Peering and Financial Settlements An overview of the financial basis of interconnection within the Internet

Follow the Money In a uniformly structured retail market the money flow is easy to identify: –John initiates the transaction –John pays his local provider A for the entire end-to-end transaction charge for the end-to-end service –A pays B to terminate the transaction –B terminates the transaction at Mary without charging Mary John A B Mary

Interprovider - Who pays who? The inter-provider financial relationship will vary for each individual transaction The net outcome is balanced through financial settlement A pays B B pays A $0 settlement point Financial Settlement

Interprovider - Who pays who? BUT, this assumes: –each transaction has a measurable value –each transaction is individually accountable –each transaction is funded by the end clients in a consistent fashion initiator direction pays or responder direction pays

Enter the Internet... In the Internet there is no readily identifiable uniform bi-directional transaction –The currency of interaction must shift to the lowest common denominator –Each individual IP packet is an individual transaction In a chaotic retail market each part of a multi-provider supported transaction has an individual monetary flow –The value can be in either direction at each interconnection Per-Service charging is difficult –The service is within the IP payload –Per-packet transmission is the currency of IP money

Cost Apportionment Financial Settlements are intended to undertake a role of fair cost apportionment –How are costs incurred by Internet Providers? –How does each provider apportion local costs?

Distributed packet costs $1 $3 $1 $2 $1 Per-packet transit costs A B

BUT IP packets –have a vanishingly small value –have no readily identifiable transaction context –may not be delivered –have no tracking field in the header to accumulate value –are usually not individually accounted within a retail tariff structure

The Internet model There is no known objective financial settlement model which is financially robust and technically feasible in the Internet The most stable outcome is a bilateral agreement creating a provider / customer relationship, or SKA peer relationship A is a customer of B B is a customer of A SKA

How are costs apportioned? At the consumer level, IP transmission costs are administratively apportioned bilaterally between sender and receiver A B John funds partial path Mary funds partial path SKA handover John Mary customer provider customer provider

Fixed Relationships There are no known IP financial settlements models that are technically and financially fair and robust Every peering tends to a statically determined relationship of provider/ customer or SKA peer The resultant business strategy –only SKA peer with larger ISPs

Every customer wants to be a peer Every peer wants to be a provider Bigger is better –ISPs that aggregate through mergers and takeovers can obtain access to a more advantaged position with respect to their peer ISPs The Aggregation of ISPs

Todays Environment Natural tendency to aggregate within the ISP industry –Economies of scale of operation –Access to more advantageous SKA peering agreements Risk factors –reduction of competitive pressure –collective action on industry peering arrangements –collective action on retail pricing

Imminent Death of the Net Predicted - MP3 at ll:00 Aggregation of the IP global transit market to a very small number of operators –Ability to execute global price setting through control of the underlying transmission resource –Recovery of operating margins through elimination of competitive pressure for commodity pricing Is the communications industry attempting to rebuild the colonial structures of global provider and local franchise operator?

The Bottom Line Continued operation of a strongly competitive diverse national IP supply market is the wrong answer. The money is NOT in IP. Regulatory intervention at the IP level is stunningly dangerous to any national economy. Intense IP provider aggregation is coming, but it may not matter. The margins are in services, not plumbing.