Hi John:
For information on rate limiting as it applies to streaming, see this page: [node:4206, hash=“Rate_limiting”].
To answer your question more directly–
For one application, you should strive to have only one open streaming connection to serve your application’s needs. If you attempt to open multiple connections simultaneously, you may get a 420 error for the second connection or you may be able to establish the second connection (with the first being dropped). Under some circumstances, you may be able to open a small handful of concurrent connections, but you should not rely on this behavior.
You may also find this thread helpful: [node:14935]