video services

VIDEO SERVICES

• H.323 Video with QOS• Video Portal Services• Satellite and Microwave

Gateways• MPEG2 for Broadcast Quality

Applications

H.323 Video

• Cisco MCM Gatekeepers– Hierarchical Zone Structure– Admissions Control

• FVC Click To Meet– Gatekeeper Initiated Calling– Browser Interface– Scheduling– User Groups

• MCUs- 150 Ports (up to 400)

• Gateways

• Streaming Servers

Portal Services

• Polycom Accord MCU – 96 Ports at 384Kbps, 48 at 768Kbps– Continuous Presence with up to 9 windows

• FVC Conference Server– 150 Ports at up to 2Mbps each– Extranet and Internet conferences– Downloadable PC Clients

MCU Services

• ISDN Gateway– 3 PRIs ( 69 “B” Channels )– 11 simultaneous 384Kbps (6 channel)

callers

• Access New Jersey Gateway– H.323 – H.321

• Internet Gateway

Gateway Services

Streaming Services

• Encoders, Servers– Windows Media Services– 1 Extranet, 1 Internet– MCU Conference Streaming

• Applications– Internet Conferences– Off-Net Students

• Satellite Gateway– 7 Meter Earthstation (Uplink)– Domestic and International Birds– Analog and Digital Services– TVRO (Downlink) Services

• Terrestrial Microwave– NJN– NY Broadcasters

Broadcast Gateways

Broadcast Support

• Sat/Mwave Gateway @ WPU– MPEG2 Broadcast Quality Codec– Tx/Rx over IP @ 800Kbps-15Mbps

• NJEdge.Net Member– MPEG2/IP Codec shipped upon request– Easy install in ITV room or studio

IDLS Codec Choices

• Broadband Subscribers– H.323: Polycom VS4000– MPEG2: Miranda MAC500IP

• Narrowband Subscribers– H.323: Polycom VS4000– MPEG2: Miranda MAC100IP

ProvisioningProvisioning

Video Data Rate + 20% = Bandwidth RequiredVideo Data Rate + 20% = Bandwidth Required

128kbps = 153kbps128kbps = 153kbps

384kbps = 460kbps384kbps = 460kbps

512kbps = 614kbps512kbps = 614kbps

768kbps = 921kbps768kbps = 921kbps

1.5Mbps = 1.8Mbps1.5Mbps = 1.8Mbps

Video VideoControl

< 33% of Link Capacity< 33% of Link Capacity

Data

< 75% of Link Capacity< 75% of Link Capacity

Routingetc.

Link CapacityLink Capacity

Video Data RateBW Required

Beware – Video conferencing endpoints request 2 x the actual conference rate, so 384k conference yields request for 768kbps, and actually consumes 460kbps

Link Capacity = ( Min BW for Video + Min BW for Data) / 0.75