fxc (fx-collaborate/connect) forecast systems laboratory boulder, co
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FXC(FX-Collaborate/Connect)
Forecast Systems Laboratory
Boulder, CO
FXC System Overview
Java “Application” consisting of client & server
• CLIENT – Runs on all Windows platforms(Not fully tested on Macintosh and Sun)1-2GHz CPU, 1GB Memory, DSL
• SERVER – Runs only on Linux platformsUses AWIPS for creation of meta filesJava server connects to users1-2GHz CPU, 1GB Memory, DSL(more memory for large number of users)
• Common data base (AWIPS plus other)
• Shared control of display
• Text chat room
• Slide show (PowerPoint-like)
• Case review
• Local data sharing (plots, JPG/GIF/PNG)
• Web access (e.g.Cams)
• Telephony (under development)
• Mobile/wireless (under development)
Collaborative Features
•AWIPS-like user interface
•Extensive data sets (models, obs, imagery, text)
•Display manipulation and interaction
•Procedures, cross-sections, soundings, etc
•Extensive graphic annotation capability
•Choice of servers (real-time and review)
FXC Data Access
#1
#2
#3
FXC
System Configuration I
FXC
FXC
FXC
FXC
Stand-alone Mode(No Server)
WWWLocal Data
System Configuration II
SessionControl
SessionControl
FXC
FXC
FXC
FXC
AWIPS DB
FXC Server
Collaborative Mode
System Configuration III
FXC
FXC
FXC
FXC
AWIPS DB
Independent Mode SessionControl
SessionControl
SessionControl
SessionControl
SessionControl
SessionControl
SessionControl
SessionControl
FXC Server
System Configuration II & III
FXC
FXC
FXC
FXC
AWIPS DB
Hybrid Mode
FXCSession Ctl
FXCSession Ctl
FXCSession Ctl
FXCSession Ctl
FXCSession Ctl
FXCSession Ctl
FXC Server
independent
collaboration
independent
Special ConfigurationUSAF / NASA
Monitor A
Monitor B
AWIPS
SessionControl
FXC Component
AWIPS Component
FXCFXC
AWIPS, FXC Server and Client on the same machine
AWIPS DB
NFS
Capture
Implementation Considerations
• Firewalls and proxy servers (TCP/IP)
• Network bandwidth (DSL)
• Server location (access to AWIPS data)
• Customization (menus, special data)
• User training
FXC Customers
• NWS/RFC – Hurricane briefings to EOC’s• NWS/WFO – NDFD forecast coordination (trial)• NWS/WFO – Web page preparation• FAA/CWSU – Aviation product evaluation• NASA/Houston – Shuttle landing Wx brief.• USAF/VBAFB&Kennedy – Rocket launch• COMET – Classroom training (radar)• Alaska - Volcanic Ash Coordination
FXC Customers(Illustrations)
Remote Weather BriefingTropical Storm Hanna
SERFCPeachtree City, GA
FDEMTallahassee, FL
Aviation Product Evaluation
VACT Remote Collaboration
FXC Display (private session)
FXC Wireless Demonstration
USAF Briefing Tool
Planned EnhancementsFXC 3.0.0
FXC 3.0.0 DevelopmentMessage Repeater
ServerR R
FXC
FXC
FXC
FXC
FXCFXC
FXC
High SpeedHigh Speed
FXC
Server
Current
FXC 3.0.0 Development
ISSUE:
Large number of collaborators in a sessioncause the system to queue up action-requests
OPTIONS:
• Assign a session leader (Briefing)• Pass token from user to user• Lock out other users for a fixed interval• Request control from a master
Session Arbitration
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