metachannel

plural metachannels

1. computingA transmission channel used for event notifications rather than actual data.

   The cipher_ID and digest_ID are the OpenSSL cipher and digest types—Blowfish and SHA1 by default—that this node will use for the data channel and also to encrypt the metachannel.

   2015, Jon C. Snader, VPNs Illustrated: Tunnels, VPNs, and IPsec, pages 8–25

   1 more example

   Bayeux contains three types of channels: metachannels, service, and normal channels. Metachannels are created by the Bayeux server. Metachannels give information about events, such as handshake errors, connection, disconnection, and reconnection.

   2010, Oswald Campesato, Kevin Nilson, Web 2.0 Fundamentals, page 572