Strawman NVS Reference Architecture

Legacy G/G

New A/G & G/G

Legacy A/GNew A/G

RRN

FTI

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AVN

Legacy A/G Radio - Rx

Radio - TxRCE-R

Legacy G/G

RCE-C

SS1/VC

LegacyVoice Switch

LegacyVoice Switch

1

Legacy A/G

External

Networked Voice Dedicated Voice

LegacyVoice Switch

LegacyVoice Switch

LegacyVoice Switch

LegacyVoice Switch

RRN

Radio - Rx

Radio - Tx

Radio - Rx

Radio - Tx

CWP

Config Database

SWP

MMAVN VS/R

CRE

TVS

AVNRRN

RRN

VS/R

RC

RC

ARMSNNC TSNIAVNRRN

CM

NMS

TSOC

PBX

NVS Management Data

Local RadiosPSTN

RRELegacy A/G

VRS

Reference Architecture Functional Elements

• ATC Voice Node (AVN)– AVN Voice Switch/Router (VS/R) Function

• Interfaces Controller Workstation Positions (CWP) and Supervisor Workstation Positions (SWP)

• Provides A/G and G/G switching/routing to support CWP connectivity• Interfaces local Maintenance Management (MM)• Interfaces Transport Services (TS) to support A/G and G/G communications

interconnectivity• Provides connections to local radios• Interfaces NVS Management System (NMS) for monitoring and reconfiguration• Provides PABX interface• Provides Voice Recorder Interface

– Legacy Emulation Function• Provides Control Radio Control Equipment emulation (CRE) in the AVN to support legacy

A/G communications• Provides trunk/voice call signaling (TVS) emulation in the AVN to support legacy G/G

communications• RCE Centralized Maintenance System (CMS) equivalent management functions

– Controller Workstation Position (CWP)• Provides controller access and ATC functions (including ability to monitor other positions) • Provides controller display and I/O required to support these functions• Interfaces AVN VS/R function to access other NVS resources (e.g., AVNs, legacy voice

switches)• Consolidates voice for interface to voice recorder 2

Reference Architecture Functional Elements

• ATC Voice Node (AVN) [Cont’d]– Supervisor Workstation Position (SWP)

• Provides CWP equivalent capabilities

• Provides ability to accept/coordinate reconfigurations, set privileges, and develop reconfigurations

– Maintenance Management (MM)• Provides maintenance functions to detect, isolate and restore failures in the AVN VS/R

and local CWPs/SWP’s

• Provides interface to AVN VS/R and other functions to support monitoring and configuration

• Provides display and I/O interfaces to aid maintenance personnel in maintaining AVN functions and monitoring NVS in facility assigned airspace

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Reference Architecture Functional Elements

• NVS Management System (NMS) Functions– Network Node Control (NNC)

• Monitors status of major NVS voice communications system elements (e.g., VS/R, RC, and legacy RCE-R) to aid in isolating failures and restoring services

• Provides network management interfaces to AVN and Remote Radio Node (RRN) sites• Collects and analyzes voice communications network performance and capacity management

data from AVN and RRN sites to ensure that required network performance is maintained • Provides security interface to TSOC

– Transport Services (TS) NOC Interface (TSNI)• Provides interface to TS Network Operations Center (NOC) to monitor overall network

performance and capacity management information from FTI provider– Configuration Management (CM)

• Interfaces with AVN and RRN VS/R subsystems to provide voice communications configuration management data that enables reconfiguration of human and communications assets (e.g., CWPs, A/G and G/G trunks) at AVN (retains local override capability) and RRN sites

• Provides management and national/regional data bases for maintaining addressing (or numbering) plan

• Provides interface to ARMS for national configuration management coordination

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Reference Architecture Functional Elements

• Remote Radio Node (RRN)– Provides A/G switching/routing and radio control functions to support

A/G connectivity between Transport Services (TS) and remote transmitters and receivers• RRN Voice Switch/Router (VS/R) Functions

– Provides A/G switching and/or routing function that enables flexible connectivity at RRN and supports A/G trunk restoration

– Provides digital/analog A/G interface with TS at remote radio site that provides A/G connectivity to AVN

– Provides A/G voice and control interface with radio control (RC) function– Provides interface to NMS to support management and monitoring

functions associated with RRN functions (e.g. ERMS) • Radio Control (RC)

– Provides radio control functions (e.g., PTT, M/S switchover) for A/G voice and remote transmitter/receiver control

– Provides radio control interface with remote A/G transmitters and receivers – Provides interface to RRN VS/R function

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Reference Architecture Functional Elements

• FAA Telecommunication Infrastructure (FTI)– Provides transport and security services for G/G and A/G voice

communications• Provides connectivity between and interfaces to AVN VS/Rs and RRN

VS/Rs for A/G communications• Provides connectivity between and interfaces to AVN VS/R and other

AVN VS/Rs for G/G communications• Provides connectivity between and interfaces to legacy Voice Switch and

RCE-R for A/G communications• Provides interface to CRE and TVS emulation functions in AVN to

support legacy A/G and G/G communications

– Provides Transport Services Operations Center (TSOC) Provides Transport Services Operations Center (TSOC) functionsfunctions• Provides network status information to NMS• Provides network configuration information to NMS• Provides security services interface to NMS6

Reference Architecture Functional Elements

• External Non-NAS Functions– Provides Transport Services (TS) interface to External non-NAS

functions (e.g., UAS, DoD ATC) with NVS voice communications functions in NAS facilities

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