URI
Click on the red underlined text to get to the source
... [1] define two Universal Resource Identifier (URI) schemes: 'im' for
INSTANT INBOXes and 'pres' for PRESENTITIES. This document provides
rules for locating the resources associated with URIs ...
... URI) schemes: 'im' for
INSTANT INBOXes and 'pres' for PRESENTITIES. This document provides
rules for locating the resources associated with URIs that employ
these schemes via the Domain Name Service (DNS ...
... DNS) [4]. These rules
could no doubt be applied to the resolution of other URI schemes that
are unrelated to instant messaging and presence.
...
... CPIM and CPP, many instant
messaging and presence protocols today support the use of URIs to
reflect the source and destination of their operations. The 'im' and
...
... reflect the source and destination of their operations. The 'im' and
'pres' URI schemes allow such protocols to express the identities of
the principals associated with a protocol exchange ...
... CPIM or CPP gateway, these URIs could be
relayed without modification, which has a number of desirable
properties for the purposes of interoperability ...
... proprietary protocol, that gateway could be identified by an IM URI.
In that case, the DNS records used to dereference the IM ...
... In that case, the DNS records used to dereference the IM URI would
serve a purpose similar to that of Mail Exchange (MX) records.
...
... domain names are used in an Instant Messaging (IM) URI (i.e.,
domain names that can be resolved to SRV ...
... "_im" for instant messaging and "_pres" for presence (matching their
respective URI schemes). However, the advertisement of these
services in the DNS ...
... _im._bip.example.com.
The same procedure is used for PRES URIs, with the "_pres" Service
label.
...
...
The usage of IM and PRES URIs, and the DNS procedures in this
document, introduce no security considerations ...