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Table of Contents
Dual-Stack lite
Part I:Dealing with reality
IPv4 reality check:completion of allocation is real
IPv6 reality check:the IPv4 long tail
Dealing with both realities:a two prong approach
Part II:Plan A, B, C, …
Número de diapositiva 7
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Part III:DS-lite technologyCombining two well-known technologies:NAT + Tunneling
Gateway-based scenario:IGD are provisioned with IPv6-only + IPv4 support for the home PC from a carrier-grade NAT
End-node scenario:Dual-stack capable end-nodes are provisioned with IPv6-only + IPv4 support from a carrier-grade NAT
Part IV:TCP/UDP port consumption
Measurements
TCP ‘outgoing’ ports statistics on a 8000 subscriber sample
UDP ‘outgoing’ ports statistics on a 8000 subscriber sample
Analysis
Part V:DS-lite standardization
DS-lite Status
IPv4 port distribution
Port forwarding & A+P extensions
Issues with MTU
Dealing with MTU
Part VI:Generic issues with CGN
UPnP
Security issues relative to CGN
Other security issues
Part VIIDS-lite deployment model
Scaling issuewith CGN
Horizontal scaling with DS-lite
Part VIIIDS-lite demo at LACNIC XII
Número de diapositiva 34
Lacnic IPv6 network