Today's Domain Name Service (DNS) illustrates a first-generation technology. DNS was designed in an environment in which machines were assumed to be always on, always connected, and to have permanently assigned IP addresses. While the DNS architecture is scalable, because change in an IP address was assumed to be unusual, fast update speed was not strictly necessary in its first generation design. Dealing with the dynamism and object mobility of next-generation networks will require significant, if not fundamental, changes to DNS.
These fundamental changes will transform tomorrow's DNS to support not just hundreds of millions of domain names, but also hundreds of millions of more names resulting from voice and data convergence over IP networks. Such convergence not only requires tomorrow's DNS to locate and bind many of these objects at orders of magnitude greater speed than what is possible today, for applications such as Voice over IP (VoIP), but also to update name changes across the network with similar performance advantage when compared to today's DNS.
XPress XRN for Registry Services is designed from the ground up to locate, add, delete, update, and store network-wide objects at breakthrough performance with cost-efficient linear scalability and replication reliability. If XPress XRN is used to implement a new DNS system for next generation networks, name-to-IP address resolution can be typically done with one hop, rather than multiple hops that could take minutes to either resolve a name, or return with a “page not found” message.
XPress further separates itself from other competing technologies by supporting a content-agnostic network protocol to work with virtually any variety of networking and object addressing conventions, and hides protocol interaction behind simple APIs to facilitate easy integration. It can also support any conceivable number of object identifiers in any format.
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