PPT Slide

A

B

C

IXP

SW

R

R

NTP

AnyCastRootServer

A

B

C

IXP

SW

R

R

NTP

AnyCastRootServer

A

B

C

IXP

SW

R

R

NTP

AnyCastRootServer

A

B

C

IXP

SW

R

R

NTP

AnyCastRootServer

Admin

WAN

Service Delivery & Administrative Network

Example:

Anycast Root Service

Looks like a

single root server

Filtering

Zone file xfers

Synchronization

Closest topological

Failover

Service Delivery Boundary

Internet Exchanges

Root Service

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