VoIP Peering Architecture  and Strategies The Voice Peering Forum 5 December 2007 [email_address]
Architecture & Strategies <ul><li>Inter-Exchange Carrier Model </li></ul><ul><li>Simple Federation & Registry </li></ul><u...
Inter-Exchange Carrier Model <ul><li>Benefits </li></ul><ul><li>Simple operation – one connection provides access to many ...
Simple Federation & Registry <ul><li>Benefits </li></ul><ul><li>Single route lookup provides access to  many networks </li...
Advanced Federation & Registry <ul><li>Benefits </li></ul><ul><li>Single route lookup provides access to  many networks </...
GSMA - IPX <ul><li>GSMA – 700+ operators, 2 Billion subscribers </li></ul><ul><li>IPX is an IP extension of the GRX- Globa...
GSM-A IPX <ul><li>Benefits: GSMA – IPX Does everything. </li></ul><ul><li>Limitation: Is it possible? </li></ul>Security C...
Experiences To Date <ul><li>Public ENUM concept is dead. </li></ul><ul><li>Peering Service Providers that are Inter-Exchan...
Future Trends to Watch <ul><li>Industry Cooperatives </li></ul><ul><ul><li>GSM Association </li></ul></ul><ul><ul><li>CDMA...
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VoIP Peering Architectures

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VoIP Peering Architectures

  1. 1. VoIP Peering Architecture and Strategies The Voice Peering Forum 5 December 2007 [email_address]
  2. 2. Architecture & Strategies <ul><li>Inter-Exchange Carrier Model </li></ul><ul><li>Simple Federation & Registry </li></ul><ul><li>Advanced Federation & Registry </li></ul><ul><li>GSMA IPX </li></ul>
  3. 3. Inter-Exchange Carrier Model <ul><li>Benefits </li></ul><ul><li>Simple operation – one connection provides access to many networks </li></ul><ul><li>Transcoding </li></ul><ul><li>One bill </li></ul><ul><li>Limitations </li></ul><ul><li>Higher prices </li></ul><ul><li>SBC bottleneck can limit services </li></ul>Session Border Controller Peering Service Provider Peer 1 Peer 2 Peer 3 Peer 4 Peer 5 Peer 6 CDRs CDRs CDRs CDRs CDRs CDRs CDRs
  4. 4. Simple Federation & Registry <ul><li>Benefits </li></ul><ul><li>Single route lookup provides access to many networks </li></ul><ul><li>Peer to Peer transmission </li></ul><ul><li>Limitations </li></ul><ul><li>Many bilateral billing contracts </li></ul><ul><li>Security and access control </li></ul>Peering Service Provider Peer 1 Peer 6 CDRs CDRs CDRs CDRs CDRs ENUM Directory Peer 2 Peer 3 Peer 4 Peer 5 CDRs
  5. 5. Advanced Federation & Registry <ul><li>Benefits </li></ul><ul><li>Single route lookup provides access to many networks </li></ul><ul><li>Peer to Peer transmission </li></ul><ul><li>Multi-lateral Clearing & Settlement </li></ul><ul><li>Limitations </li></ul><ul><li>Security and access control </li></ul>Peer 1 Peer 6 CDRs CDRs CDRs CDRs CDRs Peer 2 Peer 3 Peer 4 Peer 5 CDRs Multi-lateral Clearinghouse CDRs CDRs CDRs CDRs CDRs CDRs
  6. 6. GSMA - IPX <ul><li>GSMA – 700+ operators, 2 Billion subscribers </li></ul><ul><li>IPX is an IP extension of the GRX- Global Roaming Exchange </li></ul>
  7. 7. GSM-A IPX <ul><li>Benefits: GSMA – IPX Does everything. </li></ul><ul><li>Limitation: Is it possible? </li></ul>Security Cascading Payments Connectivity QoS Signaling MMS GRX IM E-Mail Content High QoS Content Video IPTV IPTV
  8. 8. Experiences To Date <ul><li>Public ENUM concept is dead. </li></ul><ul><li>Peering Service Providers that are Inter-Exchange Carriers are perceived as IXCs. </li></ul><ul><ul><li>Arbinet, Intelepeer (VoEX), XConnect </li></ul></ul><ul><li>Adoption of Peering Federation Solutions offered by Telecom Infrastructure providers has been slow. </li></ul><ul><ul><li>Neustar, Verisign </li></ul></ul><ul><li>The Market is still searching for the right VoIP peering model. </li></ul>
  9. 9. Future Trends to Watch <ul><li>Industry Cooperatives </li></ul><ul><ul><li>GSM Association </li></ul></ul><ul><ul><li>CDMA carriers </li></ul></ul><ul><ul><li>The VPF </li></ul></ul><ul><li>Regulation </li></ul><ul><ul><li>UK specifications for VoIP interconnect </li></ul></ul><ul><li>Consolidation </li></ul><ul><ul><li>Seems unlikely in the near term </li></ul></ul><ul><li>Independent Alternative </li></ul><ul><ul><li>Open source software could be a factor </li></ul></ul><ul><ul><li>Non-Telecom players could be a factor </li></ul></ul>
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