Specifications & Bandwidth Recommendations
OTC Markets' Real-Time+ employs a multi-cast market data framework to deliver quote, trade and security data to our customers. This framework allows for minimal data loss and, if necessary, data recovery via a snapshot and/or resend channel.
Specifications
Real-Time+ documentation includes:
- Real-Time+ Multicast Feeds Specification – multicast feeds connection, message and tag definitions.
- Multicast Group Documentation – list of applicable multicast groups, channels, source IPs and bandwidth requirements.
- OTC Markets Group Display Requirements – defines how data elements must be displayed on user facing applications
- Connectivity Guide – connectivity (direct and extranet) guidelines and pricing
Bandwidth Recommendations1
| Channel | Feed | Required Bandwidth (Mbps) |
|---|---|---|
| Quote Book | A Feed | 2.0 |
| B Feed | 2.0 | |
| A Snapshot | 1.0 | |
| B Snapshot | 1.0 | |
| Quote Price Depth | A Feed | 2.0 |
| B Feed | 2.0 | |
| A Snapshot | 1.0 | |
| B Snapshot | 1.0 | |
| Quote Inside | A Feed | 1.0 |
| B Feed | 1.0 | |
| A Snapshot | 0.5 | |
| B Snapshot | 0.5 | |
| Quote Reference Prices | A Feed | 0.5 |
| B Feed | 0.5 | |
| A Snapshot | 0.5 | |
| B Snapshot | 0.5 |
1 Bandwidth recommendations based on a peak rate of 3000 messages per second.
