A Private Integrated Service Network (PISN) is a network comprising either one PINX or more than
one PINX interconnected by Inter-PINX connections. This Technical Report is concerned with inter-
PINX connections (IPC) that are provided by Intervening Networks (IVN), and the way in which these
are handled by PINXs to provide a platform for inter-PINX communication. Different types of IVNs
can be used to provide IPCs, in accordance with the scenarios indicated in ISO/IEC 11579-1. These
are Overlay Scenarios in that they enable the services of the PISN to operate transparently across
Connected PINXs need to co-ordinate their use of IVNs, and appropriate standardisation is needed
to allow networks to be created employing PINXs and IVNs from multiple vendors. The following
points need to be considered:
_ In general but depending on the type of IVN, procedures and signalling protocols between the
PINXs are needed for the establishment, maintenance and release of IPCs. Appropriate
standardisation of these procedures and signalling protocols is necessary.
_ At the Q reference point (a conceptual point within a PINX) channels and PISN call control
signalling (QSIG) are defined independently of the type of IVN. However, at the C reference
point (where the PINX is connected to the IVN), the representation of the channels and of
signalling is dependent on the type of IVN, and on how the PINXs use the IPCs. Appropriate
standardisation of these aspects at the C reference point is necessary.
_ In general the relationship between a channel at the Q reference point and its representation at
the C reference point is not static, and procedures and signalling between the PINXs are needed
for the co-ordination of these relationships. Appropriate standardisation of these procedures and
signalling is necessary.
_ Appropriate mechanisms need to be standardised for conveying inter-PINX signalling through
the IVN. These will depend on the characteristics of the IPC used.
The aim of this Technical Report is to identify:
1. In addition to PISN call control signalling (QSIG), what needs to be standardised, in order to be
able to inter-connect PINXs;
2. General techniques, procedures, protocols etc., that apply to of all (or at least very many) types
État actuel: PubliéeDate de publication: 2001-07
Comité technique: ISO/IEC JTC 1/SC 6 Téléinformatique
- ICS :
- 33.040.35 Réseaux téléphoniques
Cette norme contribue à l'Objectif de développement durable suivant :
Acheter cette norme
|std 1 145||Papier|
Cycle de vie
ISO/IEC TR 14475:1996
ISO/IEC TR 14475:2001
Les normes ISO sont réexaminées tous les cinq ans
Stade: 90.60 (En cours d'examen)
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