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Re: Comments surrounding draft-iab-dns-applications-01

2011-07-05 17:13:54
Hi, all,

This doc also claims that:

" The SRV record allows
   DNS resolvers to search for particular applications and underlying
   transports (for example, HTTP running over TLS, see [RFC2818]) and to
   learn the domain name and port where that service resides in a given
   administrative domain. "

The transports should be TCP, UDP, or (arguably or not) other transport protocols. TLS is not a transport.

Currently http is distinguished from https using the service names string, not the transport. I.e., IMO, in SRV records:

        service name = layers 5-7
        transport = layer 4

TLS is above layer 4.

---

Additionally, it's useful to distinguish The DNS (i.e., with the existing well-know roots) from A DNS -- the latter using the same protocols and records, but not sharing the same initial roots.

Joe
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