telecon west ‘99 november 4, 1999 guardnet xxi a case study bob james 703-262-3520...
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November 4, 1999
TeleCon West ‘99TeleCon West ‘99
GuardNet XXIA Case Study
Bob James703-262-3520
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
Functional Requirements
• Consolidate Legacy Networks & current Frame Relay Deployment into One Network
• On-Net Point-to-Point & 54 Way Multi-Point Video Teleconferencing
• On-Net Voice Calls & Consolidation of Off-Net Calls to obtain Volume Discounts
• Support Real-time Distribution of Multimedia Computer Based Training
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Architecture
• Backbone
• Regions
• Configurations– Hub– State Area Commands– Classrooms
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GuardNet XXI
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OklahomaSTARC/TAG/ACAD
Santa FeSTARC/TAG/ADAD
Austin STARC/TAG/ACAD
Little RockSTARC/TAG/ACAD
New OrleansSTARC/TAG
Jackson STARC/TAG
NashvilleSTARC/TAG
Jefferson CitySTARC/TAG/ACAD
TopekaSTARC/TAG
LincolnSTARC/TAG
San JuanSTARC/TAG
IndianapolisSTARC/TAG
JohnstonSTARC/TAG/ADAD
SpringfieldSTARC/TAG/ACAD
LansingSTARC/TAG
MadisonSTARC/TAG
ST PaulSTARC/TAG
DraperSTARC/TAG
CheyenneSTARC/TAG
BismarckSTARC/TAG
Rapid CitySTARC/TAG
HelenaSTARC/TAG/ACAD
BoiseSTARC/TAG/ACAD
EnglewoodSTARC/TAG
PhoenixSTARC/TAG/ACAD
Carson CitySTARC/TAG
Salem STARC/TAG
Tacoma STARC/TAG/ACAD
SacramentoSTARC/TAG
FT RichardsonSTARC
ST AugustineSTARC
ColombiaSTARC
MontgomerySTARC/TAG/ACAD
AtlantaSTARC/TAG
RaleighSTARC/TAG
HonoluluSTARC/TAG
TamunigSTARC/TAG/ACAD
ReadingSTARC/TAG
Providence STARC/TAGHartfordSTARC/TAG
AugustaSTARC/TAG/ACAD
ColchesterSTARC/TAG
TrentonSTARC/TAG
ConcordSTARC/TAG
WilmingtonSTARC
LathamSTARC/TAG
•Frankfort•STARC/TAG
•Columbus•STARC/TAG/ACAD
RichmondSTARC
BaltimoreSTARC/TAG
Indiantown GapSTARC/Classroom
ReisterstownSTARC/Classroom
CharlestonSTARC/Classroom
7 Hub Regions
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
Backbone Mesh
Region Mesh
Intra StatePoint-to-Point
Hubs
STARCs
Classrooms
State Network
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7 HUBs
48 STARCs
WY AR CA IA VA NC NY
MCI
CO AK WV ME
NORMAL MESH DESIGN
REDUNDANCY
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HUBSSTARC
Transport Hierarchy DISA &MCI LECs & State
Networks
Applications Voice Video Data
DISA ATM Switch
NGB ATM Switch
DATMS-U
ClassroomsPBX Legacy
VTC
Legacy Networks
Other DoD Work
MCI
T-1
DS3
DS3
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Systems Supported
o Video Dial-up Dedicated
o Voice PBX Trunking
o Data Ethernet Token Ring FDDI Translated or Tunneled
o Down Stream Classrooms
ATM SwitchMulti-Cast
Gateway
Video
LegacyData
RCAS
CellMux Router
OC3
OC3
OC3OC3
25Mbps
25Mbps
10Mbps
ISDN
PRI
ATM Switch
T-1s
EthernetTokenRingFDDI
LegacyData
Typical HUB/STARC Configuration
Classrooms
Satellite dish
PBX
T-1ATM Switch
DS3
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Dual Multi Media Classroom• Purpose:
– Support Large Sites with High Volume of Video Conferencing and CBT Users
• Functionality:– Up to 18 PCs per Classroom
– View Video Tape Courses
– Audio & Video Conferencing and Training in a Separate Room
– Two Simultaneous Video Conferences
• Requirements:– Two Telephones Lines
– One ISDN Primary Rate Line
– Two T-1 Communications Line (ATM)
– Increased Power
– Two Rooms 25’ X 35’
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ATM Switch
Network ServerNetwork Server
SoundStation
VTC PC
VCR
32” Monitor
SatelliteDish
ISDN GatewayPRI
T-1
ATM WorkgroupSwitch
Laser Printer
Student Workstations
Video Cache
Multipurpose Classroom
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Video Teletraining Classroom
NTSC Converter
Speakers
32” SVGAMonitor
NTSC Converter
Elmo Ev-500
InstructorsTouchScreen
Controller
Speakers
AudioConferencing
Push-to-TalkMicrophones
CODECPC
GraphicSlides
FAX/Copier Telephone
POTS
VCR
Satellite
MatrixSwitch
ATM
32” SVGAMonitor
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Lessons Learned
• Addressing– Plan for Growth “Change is Painful”– Hierarchical Not Flat
• Route Summarization
• PNNI
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Lessons Learned
• Cross Vendor Compatibility– Integrated 4 Different Vendors
• 3COM, CISCO, FORE, FVC.COM
– End User Testing• Lowest Common Denominator
– FTPNNI
– IISP
– UNI 3.0
– LANE 1.0
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Lessons Learned
• Quality of Service– Different Rules for Public vs. Private
• Policing without Signaling– Virtual Path End-to-End
– Police per Virtual Path NOT per Physical Port
• Desparate Port Speeds
• Solution - Segregate Traffic Types prior to Cloud
– What System Upgrades Required?• Replaced Processors & Upgraded Software in 55
Backbone Switches
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Private Network
GQOS
DataServer
VideoServer
CAC
ATM Switch ATM SwitchATM Switch
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HUBs
STARCs
Public NetworkNetwork Virtual Paths
CO AK WV ME
WY AR CA IA VA NC NY
HUBS STARCs
DS3
T-1
November 4, 1999
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Summary Nationwide Communication Network
Bandwidth Integration Voice, Video, & Data GQOS
Consolidated Legacy Networks ATM Services to the Desktop
On-Net Multipoint Video Conferencing Video Broadcasting & Video On-Demand Data