IP media in the LAN and WAN Campus & Country What happens in between?
Architects of virtualized media production
Andy Rayner, SVP Engineering arayner@nevion.com +44 7711 196609
Mul0-‐site produc0on
Bandwidth Cost
Latency
5000km = ~25ms
1400km = ~7ms
‘Composite’ transport
WAN
Different 0ming domains -‐ adap0ve Comprehensive Protec0on Mature – 15+ years ‘Essence’ transport
CAMPUS
Common 0ming domain – SMPTE2059 Protec0on? In its infancy – s0ll maturing
LAN-WAN boundary
IP media edge PTP TIMING
ALTERNATIVE TIMING DOMAINS
DEVICE DISCOVERY & CTL
RESTRICTED/PROXY DISCOVERY & CTL
MEDIA FLOW IP ADDRESSING
DIFFERENT IP ADDRESSING (NAT)
ESSENCE FLOWS
ESSENCE OR COMPOSITE FLOWS
PROTECTION TERMINATION
PROTECTION TERMINATION
IP Campus Media Service Fulfillment Studio
Media Service Assurance
Media Service Management
Op0onal Media Gateway
IP
IP
IP
Op0onal Media Gateway
Studio
IP IP
Produc0on Networks
Mul0viewer
Storage
Media Gateway Signal Processing
Produc0on Networks
Replay Playout
Monitoring
9
SMPTE2110 - using relevant existing standards VIDEO
SYSTEM
AUDIO
ANC DATA
TIMING!
IP WAN / long-haul SMPTE 2022-‐6 SMPTE 2022-‐2 SMPTE 2110
Protection flow A (1,1) (2,1)
SOURCE
Spa0al
(1,2) (2,2)
DESTINATION
flow B
(1,D)
1
flow A SOURCE delay
Spa0al + temporal flow B
(L,1)
DESTINATION
(L,D)
2
L
FEC 12
n
n+1
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n+43
Address Translation
Media payload
RTP UDP
Media payload
RTP
IP VLAN
MAC/PoS/ GFP/MPLS
Composite ↔ Essence HANC
VANC
Timing
Master Clock
Master Clock
Phase-Frequency offsets
Registration, Discovery & Control
The secure bridge
TIMING DOMAIN
DISCOVERY & CTL PROXY
ADDRESS TRANSLATION
ESSENCE-‐ COMPOSITE
PROTECTION TERMINATION
Architects of virtualized media production
Andy Rayner, SVP Engineering arayner@nevion.com +44 7711 196609