英文原版Practical Protocols XMPP 1st Edition

XMPP(eXtensibleMessagingandPresenceProtocol)isamessagingprotocolthatenablescommunicationbetweentwoormoredevicesviatheInternet.Itisusedprimarilytopowerinstant-messagingservicessuchasJabberandWhatsApp.Inthisway,itissimilartootherprotocolssuchasWebRTC,which