ISP IPv6 deployment

Martin List-PetersenAirwire

martin@airwire.ie

Migration and pitfalls

● 6to4● Teredo● 6in4 (Tunnel Broker Services)● PPPoE● Native

Tunneling pitfalls

● Unpredictable latency with 6to4 and teredo● 6in4 tunnels have predictable latency, but

static provisioning of 6in4 tunnels is cumbersome

6to4 traffic

Teredo traffic

PPPoE

● Manageable from an ISPs perspective (package/service management)

● IP6CP + DHCPv6 for dynamic configuration of endpoint

● Exactly the same as PPPoE for IPv4

Native

● Optimum from a networking perspective● Circuit separation/security ?

– Could be implemented at ethernet level (VLAN etc.)

● Package/Service Management ?– Can be applied locally, but not really easily

manageable in a large scale environment

Pitfalls on the consumer side

● Very few routers available with IPv6 support● Inconsistency of router vendor

implementations● Currently no DHCPv6 support on our platform● Windows XP needs IPv4 transport for

resolving DNS● Non-IPv6 capable consumer routers block

automatic roll-out.

Pitfalls on the carrier side

● All our carriers deliver IPv6● Some carriers still don't have a full-table and

the implementation of their peering agreements can be unfortunate.

● Some carriers still have to learn, not to take their IPv4 filtering policies and “just” to apply them to IPv6.

Where is the killer app ?

● Various websites have enabled IPv6● We are Google IPv6 weblisted● When Google end of last year enabled

YouTube, IPv6 skyrocketed

Traffic example - IPv4

Traffic example - IPv4

Questions ?

Martin List-PetersenAirwire

martin@airwire.ie