4. Switch/router specifications for LAN and
WAN networks
- Protocols:
UDP/ IP multicast for Audio.
UDP/ IP multicast for Control. Security of
reception by means of ACK management
protocol in Application Layer.
- Multicast snooping:
Multicast filtering
IGMP v2
- For large installations:
Multicast routing (Spanning Tree)
Capacity to handle TOS (Type Of Service)
5. Certified hardware
- Large installations:
Nortel: BayStack 470, Ethernet Routing
Switch 3510 and higher
Cisco: 36XX or higher
Alcatel: Level 3 switches
- Medium-sized installations:
NKF: XSNET 1800
Hirschmann: RS30-0802O6O6SDAEHH01.0
- Small installations, with a proprietary
network:
Nortel: BayStack 425
Cisco: 500G and 29600 families
Equitel: N950
6. Network protocol stack
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