AAL2 Signaling is the signaling protocol
employed for dynamic establishment, release and maintenance
of AAL2 point-to-point connections between nodes, in
an AAL2 network.
AAl2
Stack Interfaces
The AAL2 signaling stack (ALCAP) from
Aricent
is a field-proven building block for
developing telecom equipment, network components as
well as applications.
Aricent’ AAL2 Signaling (ALCAP) Stack
finds applications in:
Node B, RNC and MSC equipment of 3G
networks
Loop Emulation Service (LES)
Voice over ATM implementations
Architecture
The following interfaces are provided
by the AAL2 stack:
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Aricent’ AAL2
Signaling Stack: Subsystems
AAL2 signaling
Extensive statistics collection –
internal events and error statistics
Error/alarm reporting
Multi-level tracing support –
detailed, medium and brief traces
Flexibility for the signaling entity
to operate over MTP3B and/or SAAL
Provides support to interface a third
party routing engine
Provides flexibility to the user to
perform resource management (CID/link management)
AVL tree based search algorithm to
expedite lookup
STC for SSCOP
Provides well-defined interfaces to
support plug-in of customized modules
STC for MTP 3B
Provides well-defined interfaces to
support plug-in of customized modules
Conformance to
Standards
Full compliance to ITU-T Recommendation
Q.2630.1 (December 1999) – AAL type 2 Signaling
Protocol (Capability Set 1)
Full Compliance to ITU-T Recommendation
Q.2630.2 – AAL type 2 Signaling Protocol (Capability
Set 2)
Full compliance to ITU-T Recommendation
Q.2150.2 (1999) – AAL type 2 Signaling Transport
Converter on SSCOP
Full compliance to ITU-T Recommendation
Q.2150.1 (1999) – AAL type 2 Signaling Transport
Converter on Broadband MTP
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