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单词 metachannel
释义

metachannel

English

Etymology

meta- + channel

Noun

metachannel (plural metachannels)

  1. (computing) A transmission channel used for event notifications rather than actual data.
    • 2010, Oswald Campesato, ‎Kevin Nilson, Web 2.0 Fundamentals (page 572)
      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.
    • 2015, Jon C. Snader, VPNs Illustrated: Tunnels, VPNs, and IPsec (page 8-25)
      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.
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