What Kinds Of Technologies Can A Website Like Facebook Utilise To Provide A Live Chat Function, Such As New Versions Of TCP And IP, Various Kinds Of Sockets, And Polling Servers To Check For New Messages? Protocol
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For web clients and users behind restrictive firewalls, the XMPP community has created an HTTP transport as an alternative to the TCP transport. XMPP may leverage HTTP in two ways in the original specification: polling and binding.