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Application
Service Provider
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.arpa
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- The
Address and Routing Parameters Area top level domain, used for
network infrastructure.
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"assignment"
of a number
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- "The
process for providing an international numbering resource to an
eligible applicant" (when used in the formal sense as defined
in Section 5.4 of ITU-T Rec. E.190 (05/97)).
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CC
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- E.164
Country Code (as specified in ITU-T Recommendation E.164).
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Client/Server
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- A
method of splitting software functions, e.g., a PC-based email
client and a network-based email server.
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"Country"
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- "a
specific country, a group of countries in an integrated numbering
plan or a specific geographical area" (when used in a formal
sense of an ITU-T Rec. E.164 Country Code)
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DNS
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- Domain
Name System.
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Domain
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- A
set of host names consisting of a single domain name and all the
domain names below it.
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Domain name
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- A
set of labels delimited by "."s.
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E.164
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- "The
international public telecommunication numbering plan".
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E.164 number (for
geographical areas)
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- An
E.164 number typically consisting of three fields, CC (country
code), NDC (national destination code), and SN (subscriber number).
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E.190
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- "Principles
and responsibilities for the management, assignment and reclamation
of E‑Series international numbering resources".
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E164
Number
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- A
number from ITU-T Rec E.164 numbering plan which uniquely indicates
a public network termination point.
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e164.arpa
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- In
the .arpa domain, the subdomain of ENUM names for E.164 numbers.
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ENUM
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- Telephone
Number Mapping - a protocol and an IETF WG.
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EU
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- End
User.
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"Global
Service"
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-
"a service defined by the ITU-T, provisioned on
the public switched network, ...
to enable the provision of that international service between
two or more countries ... " (when
used in the formal sense as defined in Section 4.14 of ITU-T Rec.
E.164 (05/97)).
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"Group of
Countries"
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-
"Several
ITU- or UN-recognised countries
... " (when
used formally in the sense of Draft New Rec. E.164.3 (noting that
this is a "recommendation requiring further
development")).
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H.323
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- "Packet
based multimedia communication systems".
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http
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- Hypertext
transfer protocol.
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IAB
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- Internet
Architecture Board.
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IANA
|
- Internet
Assigned Numbers Authority.
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IETF
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- Internet
Engineering Task Force.
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in-addr.arpa
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- In
the .arpa domain, the subdomain for IP addresses (as names) for host
names.
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IP
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- Internet
Protocol.
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ISOC
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- Internet
Society.
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ITU-T
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- International
Telecommunication Union - Telecommunication Standardization Sector.
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Name
vs. Address vs. Route
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- A
name identifies an endpoint, an address tells where it is, and a
route tells how to get there.
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Name
Space
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- The
structure of the DNS database.
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Name
Server
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- A
DNS component that stores information about one zone (or more) of
the DNS name space.
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NAPTR
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- Number
Authority Pointer (as used within IETF RFC 2916 to identify possible
urls and numbers that can be returned).
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"Network"
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- An
international network providing public correspondence services (when
used in the formal sense as defined in Section 4.17 of ITU-T Rec.
E.164 (05/97)).
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NP
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- Number
Portability.
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"ownership"
vs. "use" of a number
|
- "Numbering
resources ...
are not to be considered "owned" by the assignee.
Assignment of the numbering resource
... confers use
of the resources ...
" (in the formal sense of Principle 5 in ITU-T Rec.
E.190."
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PSTN
|
- The
Public Switched Telephone Network.
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QoS
|
- Quality
of Service.
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Query/Response
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- A
protocol interaction between a client and a server.
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Registrar
|
- Entity
which provides direct services to domain name registrants by
processing name registrations.
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Registry
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- Entity
which runs the DNS authoritative server for a specific domain.
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Resolver
|
- The
client-based software that queries a DNS name server and receives
the response.
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RFC
|
- "Request
For Comments" - the name for an Internet standards- related
specification.
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Root
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- The
ultimate ".".
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Root Server
|
- A
DNS server pointing to all top- level domains.
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RRs
|
- DNS
Resource Records.
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Service
Registrar (for ENUM)
|
- Entity
which provides direct services to ENUM registrants and
hosts NAPTR records that contain (service-specific) URIs.
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SG2
|
- ITU-T
Study Group 2.
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SIP
|
- Session
Initiation Protocol.
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SMTP
|
- Simple
Mail Transfer Protocol.
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TN
|
- Telephone
Number.
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URI
|
- Uniform
Resource Identifier - a URL is a URI.
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url
|
- Uniform
Resource Locator
|
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VoIP
|
- Voice
over IP.
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WG
|
- Working
Group.
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WP1/2
|
- Working
Party 1 of SG 2.
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“zone”
|
- A
segment of an ENUM domain name (used in the Berlin Liaison Statement
(now RFC 3026) solely for convenience).
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Zone
|
- In
DNS, a contiguous portion of a domain consisting of names or
delegations. Formally,
a domain name belongs to exactly one (authoritative) zone.
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