All related approaches from Section 3 avoid introducing changes
at this level. FARA explicitly allows multiple user-level service
namespaces. Ambient Networks is investigating this approach to
allow application-specific service and data object names, including,
for example, URLs, URIs or email addresses. The existing
service namespaces can be seen as part of a single, bigger namespace
that the Domain Name System (DNS) [17] bridges together
through the use of DNS names as part of service names. Addition-ally, other service namespaces support local significance of
names. For reasons of interoperation with legacy networks, Ambient
Networks avoids modifying the established relations between
the current namespaces and the DNS.