GIS and Next Generation Public Safety Norman H. Forshee, 911 Coordinator St Clair County ETSB.
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Transcript of GIS and Next Generation Public Safety Norman H. Forshee, 911 Coordinator St Clair County ETSB.
GIS and Next Generation GIS and Next Generation Public SafetyPublic Safety
Norman H. Forshee, Norman H. Forshee,
911 Coordinator911 Coordinator
St Clair County ETSBSt Clair County ETSB
What is Next Generation 911?What is Next Generation 911?
Modern advancements in Modern advancements in communications technology require communications technology require a more advanced 911 systema more advanced 911 system
Emphasis on wireless and IP-based Emphasis on wireless and IP-based communicationcommunication
Next generation 911 system should Next generation 911 system should respond anytime, anywhere, from respond anytime, anywhere, from any deviceany device
911 PSAPs Will Become 911 PSAPs Will Become Emergency Communications HubsEmergency Communications Hubs
In addition to traditional 911 callers, there In addition to traditional 911 callers, there are:are:• Approximately 180 million cell phone Approximately 180 million cell phone
subscriberssubscribers• Trucks with GPS and communications systemsTrucks with GPS and communications systems• Devices that can provide additional data to the Devices that can provide additional data to the
PSAP such as text messages, pictures, and PSAP such as text messages, pictures, and videosvideos
• Increasing numbers of voice over IP (VoIP) Increasing numbers of voice over IP (VoIP) telephone subscriberstelephone subscribers
PSAP Gateway
i3 PSAP
Government Services Functions
Emergency Responder
Service Function(s)
Emergency ServicesRouting Proxy
i3 PSAP
SIP/H.323 clients
Wireless client
Selective Router
PureLegacy PSAP
IP PSAP
Location Determination
/Acquisition Functions
Wireline andWireless Call
SourcesExisting interconnection
InternetIP router
IM client
Location Validation Function
LIS(s)
IP Originated Public Access
Networks
Emergency ServicesIP network
Database Services
Location Validation/
Routing Data
Location Validation/
Routing Database(s)
Emergency Call Routing Function(s)
Web sourcedDatabaseServices
Database Services
SR Gateway
Firewall
Public Web Services
Private Web
Services
DNS
Root Discovery Services
Media Services
Telematics Calls
E911 Gateway
Legacy PSAP w/ IP
Routing Control
Various Call Sources through NG9-1-1 at
start of transition
(becomes IP)
Next Generation 911 SystemNext Generation 911 System
Next Generation 911 Relies on GISNext Generation 911 Relies on GIS
Static street addresses do not apply Static street addresses do not apply to wireless and IP-based devicesto wireless and IP-based devices
Lat/long coordinates now define a Lat/long coordinates now define a callers locationcallers location
GIS for X/Y Routing of 911 CallsGIS for X/Y Routing of 911 Calls
GIS boundary files determine which 911 GIS boundary files determine which 911 call center will receive a call based on the call center will receive a call based on the associated lat/long coordinatesassociated lat/long coordinates
911 Call with Lat/Long Coordinates
Call Delivered to Comm Center in that Jurisdiction
Database Provider with GIS Data for
Jurisdictional Boundaries
Coordinates Plotted over Boundaries
911 Telecommunicators Need GIS 911 Telecommunicators Need GIS to Interpret Caller Locationto Interpret Caller Location
Lat/long coordinates are not easily Lat/long coordinates are not easily interpreted like a street address isinterpreted like a street address is
Plotting the coordinates using GIS Plotting the coordinates using GIS with other reference data allows for with other reference data allows for easy interpretation of relative easy interpretation of relative locationlocation
Responding agencies can also this Responding agencies can also this access real time location dataaccess real time location data
Future ConsiderationsFuture Considerations
National routing database program National routing database program for X/Y routingfor X/Y routing
Standardization and local control Standardization and local control over jurisdictional boundaries on a over jurisdictional boundaries on a large scalelarge scale
Data standards with gap/overlap Data standards with gap/overlap monitoring between jurisdictionsmonitoring between jurisdictions