18
November 4, 1999 TeleCon West ‘99 TeleCon West ‘99 GuardNet XXI A Case Study Bob James 703-262-3520 [email protected]
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
Architecture
• Backbone• Regions• Configurations
– Hub– State Area Commands– Classrooms
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
GuardNet XXI
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
7 HUBs
48 STARCs
WY AR CA IA VA NC NY
MCI
CO AK WV ME
NORMAL MESH DESIGN
REDUNDANCY
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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’
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
Lessons Learned• Addressing
– Plan for Growth “Change is Painful”– Hierarchical Not Flat
• Route Summarization• PNNI
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
Private NetworkGQOS
DataServer
VideoServer
CAC
ATM Switch ATM SwitchATM Switch
November 4, 1999
TeleCon West ‘99TeleCon West ‘99
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
TeleCon West ‘99TeleCon West ‘99
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
