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IPV6-VOIP

IPV6-VOIP. ANIL K NARAM A1263 CN426-SVU. Introduction. IPV4 IPV6 VOIP IPV4 to IPV6 Migration of VOIP to IPV6. Introduction to IPV6. Expanded addressing capabilities Header format simplification Improved support for extension headers Flow labeling capability

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IPV6-VOIP

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  1. IPV6-VOIP ANIL K NARAM A1263 CN426-SVU

  2. Introduction • IPV4 • IPV6 • VOIP • IPV4 to IPV6 • Migration of VOIP to IPV6

  3. Introduction to IPV6 • Expanded addressing capabilities • Header format simplification • Improved support for extension headers • Flow labeling capability • Authentication and privacy

  4. IPV6 Header Format

  5. IPV6 Header Format • Version Field • Traffic Class • Flow Label • Payload Length • Next Header • Hop Limit • Source and Destination Address

  6. MIGRATING TO IPV6 • STAGE 1: IPV4 only networks. • STAGE 2:IPV6 islands connected through IPV4 network. • STAGE 3:Interconnection of IPV4/IPV6 networks. • STAGE 4:IPV4 islands connected through IPV6 network. • STAGE 5:IPV6 only networks.

  7. Interconnecting IPV6 and IPV4 networks

  8. TRANSITION METHODOLOGIES • IPV4/IPV6 DUAL STACKS • TUNNELING

  9. Tunneling mechanism for inter working IPV4& IPV6

  10. Several types of IPV6-to-IPV4 tunnels • MANUALLY CONFIGURED TUNNELS(MCT) • DYNAMIC 6TO4 TUNNELS • TEREDO TUNNELING

  11. TEREDO TUNNELING • Teredo Clients • Teredo Servers • Teredo Relays

  12. Structure Of IPV6 Teredo address

  13. TRANSLATING BETWEEN IPV4 AND IPV6 WITH NAT-PT • COMM… IPV4 ONLY N/W WITH IPV6-ONLY

  14. VOIP • Typical Interconnection of VOIP and PSTN

  15. Characteristics of several voice codecs

  16. Voip Protocols • MGCP(Media gateway control protocol) • SIP(Session Initiation Protocol) • H.323

  17. Media Gateway Control Protocol

  18. Typical MGCP EnvironmentMGCP Components: • Endpoints • Gateways • Call Agents

  19. SESSION INITIATION PROTOCOL • Working Principle of SIP at a glance • Proxy Server • DNS Server • Location Server

  20. Basic SIP trapezoid

  21. Basic SIP flow label

  22. H.323-PROTOCOL AT A GLANCE • COLLECTION OF PROTOCOLS • Q.931 • H.225 • H.245

  23. Protocol Relationships In H.323

  24. Gatekeeper Routed Call Model In H.323

  25. OTHER ISSUES • DOMAIN NAMING SYSTEM IN IPV6 • IPV6 APPLICATION TRANSITION ISSUES

  26. IPV6 APPLICATION TRANSITION ISSUES • SESSION INITIATION PROTOCOL(SIP) AND IPV6 • APPLICATIONS WITH IPV6 MIGRATION

  27. IPV6/IPV4 network with Session Initiation Protocol

  28. CONCLUSION

  29. THANK YOU ?

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