Alternate dns root nameservice for dnssec purposes

Details Alternate dns root nameservice for dnssec purposes Alternate dns root nameservice for dnssec purposes

H - Electricity

04

L

H04L 9/14 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2686142

The Internet DNS (Domain Name System) may be integrity protected with the deployment of the DNSSEC protocol extension at the root zone. The inventive methods allow a common DNSSEC-related cryptographic key configuration, also called trust anchor, to be used for a number of independent alternate root nameservice operators, each operating its own set of root nameservers. A single root signing entity feeds each nameserver operators with its own version of the signed DNS root zone. The inventive processes allow these versions to coexist on the public Internet gracefully. It thus allows the load on root nameservers to be shared, and a DNS resolver to switch from one alternate nameservice operator to the other with minimal disturbance. The preferred embodiment is such that the exact same substantive root zone contents is delivered either by the official DNS root zone or an alternate root nameservice fed by an independent root signing entity.

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