Table of Contents

Ateme Titan Live Encoders

The NTT Sacramento data center runs 5 Ateme Titan Live encoders that transcode DirecTV multicast streams received from Vantiva COM3000 receivers into HLS/DASH streams for TiVo distribution.

Encoder Summary

Encoder Hostname VLAN 240 IP VLAN 100 IP VLAN 111 (Multicast) iDRAC IP
Encoder 0 Titan 172.17.240.141 10.10.1.19 192.168.3.139 -
Encoder 1 Titan 172.17.240.139 10.100.1.18 192.168.3.129 10.100.1.49
Encoder 2 Titan2 172.17.240.132 - 192.168.3.102 10.100.1.13
Encoder 3 Titan3 172.17.240.133 10.100.1.133 192.168.3.103 10.100.1.14
Encoder 4 Titan (Lenovo) 172.17.240.134 10.100.1.134 192.168.3.134 -

Network Architecture

Each encoder has 3 network connections:

Hardware

Multicast Flow

Vantiva COM3000 (192.168.3.18-26)
        |
        | VLAN 111 (DirecTV Multicast)
        v
   Titan Live Encoders
        |
        | VLAN 240 (Encoded Multicast)
        v
   NTT-BGP1 (PIM Router)
        |
        | eth1 (TiVo Cross-Connect)
        v
   TiVo AS64512 (172.17.240.237)

Multicast Groups

Encoders output to multicast group range 239.197.240.0/24:

Encoder Sample Groups
Encoder 0 239.197.240.7, 9, 10, 17, 19, 20…
Encoder 1 239.197.240.135-141, 200-206, 211, 212, 231-235
Encoder 2 239.197.240.16, 23, 31, 35, 43, 46…
Encoder 3 239.197.240.90, 178-189, 236-249

Access

Console Access (SSH)

Web UI

SSH Access

Encoders are only accessible via jump host:

# From local machine, jump through NTT-Media1
ssh -J mmunger@68.66.14.158 titan@172.17.240.141  # Encoder 0
ssh -J mmunger@68.66.14.158 titan@172.17.240.139  # Encoder 1
ssh -J mmunger@68.66.14.158 titan@172.17.240.132  # Encoder 2
ssh -J mmunger@68.66.14.158 titan@172.17.240.133  # Encoder 3
ssh -J mmunger@68.66.14.158 titan@172.17.240.134  # Encoder 4

Configuration Files