Audio Visual Design Guidelines

Network Infrastructure

33 views November 19, 2019 aetm 0

Function

Network Infrastructure for AV over IP systems is defined as follows:

  • Active (network switches, routers, firewalls, et al) network components that compose a network
  • Passive (cabling, outlets, patchbays, et al) network cables andconnections that compose a network
  • Establishes network communications between encoding devices, decoding devices, and management control software / hardware
  • Manages network traffic, routing, and security

 

Network Architecture Options

Common network architecture options for AV over IP:

  • Network may be:
    • Dedicated network switch(es) air-gapped from other network traffic; or
    • Dedicated AV over IP VLAN, with video traffic restricted to the local subnet, and administrative access to control and management functions possible from other subnets.
    • Converged network (mixed use) that may allow select network traffic to reach other production AV over IP VLANs
  • Discuss with your network team to request an allocation of multicast address space that is dedicated for AV over IP traffic only within your institution

Note: Refer to the product-specific AV over IP deployment guide for detailed network architecture options

 

Network Cabling Requirements

Network cabling requirements for AV over IP:

Network Speed Cabling Requirement
1G Network
  • Category 5e or 6 Ethernet cable rated for 1 Gbps network speed
  • Ethernet IEEE 802.3 cabling and connectivity standards
10G Network
  • Single-mode or Multi-mode fibre optic cable rated for 10 Gbps network speed
  • Fibre optic IEEE 802.3 cabling and connectivity standards
  • Category 6A or 7 Ethernet cable rated for 10 Gbps network speed at 100m
  • Category 6 Ethernet cable rated for 10 Gbps network speed at 55m
  • Ethernet IEEE 802.3 cabling and connectivity standards

 

Network Switch Hardware Requirements

Typical network Switch Hardware requirements for AV over IP:

  • Layer 2+ switch (if keeping encoders & decoders within a subnet)
  • Layer 3 switch (if routing encoders & decoders outside of a subnet)
  • 1 Gbps data throughput capability for each interface connected to an encoder or decoder, unless video data is required
  • Non-blocking switch that allows all ports at full capacity without any backplane limitations
  • Supports unicast, multicast, and broadcast messaging across the network
  • IGMPv2 / IGMPv3 features
  • 802.1x Authentication features
  • PoE (Power over Ethernet), PoE+, UPoE (if encoders / decoders may be powered via Ethernet interface)

 

Network Switch Configuration

Typical network protocols used for AV over IP:

Protocol Configuration
802.3az Energy Efficient Ethernet (Green Ethernet)  Disabled
IGMP Snooping Enabled
IGMP Querier Enabled
IGMP Immediate Leave (Fast Leave) Enabled
Multicast Forwarding (Multicast Filtering) Enabled
QoS (Quality of Service) Enabled

Note: Refer to the product-specific AV over IP deployment guide for detailed network switch configuration

 

Network Router / Firewall Configuration

Typical network protocols used for AV over IP:

Protocol Configuration
IGMPv3 Enabled
PIM (Protocol Independent Multicast) Enabled
QoS (Quality of Service) Enabled
DHCP Enabled
HTTP (TCP/UDP Port 80) Allow
HTTPS (TCP/UDP Port 443) Allow
SSH (TCP Port 22) Allow
RTP (Real-Time Transport) UDP Traffic Allow
RTSP (Real-Time Streaming Protocol) UDP Traffic Allow

Note: Refer to the product-specific AV over IP deployment guide for detailed network router and firewall configuration

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