Limited domains considered useful

Brian Carpenter, Jon Crowcroft, Dirk Trossen


Limited domains were defined conceptually in RFC 8799 to cater to requirements and behaviours that extend the dominant view of IP packet delivery in the Internet. This paper argues not only that limited domains have been with us from the very beginning of the Internet but also that they have been shaping innovation of Internet technologies ever since, and will continue to do so. In order to build limited domains that successfully interoperate with the existing Internet, we propose an architectural framework as a blueprint. We discuss the role of the IETF in ensuring continued innovation in Internet technologies by embracing the wider research community’s work on limited domain technology, leading to our key insight that Limited Domains are not only considered useful but a must to sustain innovation.

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