Examples of Protocol Two protocols will be studied in your first lab Http is the protocol used for browsing website Web browser <---- Web server http://www.youtube.com/watch?v=1iqfitndozo&feature=related SMTP is the protocol used for sending emails Email client software <---- SMTP server a new application usually uses a new protocol, e. g. Bit Torrent protocol http:/len.wikipediaorg/wiki/bittorrent_(prOtocol) TCP is a protocol used by internet hosts for reliable data transmission - Recall that Internet packets could be lost inside the Internet IEEE 802. 11 is the protocol used in WiFi How to coordinate a number of wireless devices within a wifi network? 66 Examples of Protocol • Two protocols will be studied in your first lab — HTTP is the protocol used for browsing website • Web browser <----> Web server • http://www.youtube.com/watch?v=1IQFjTnDozo&feature=related — SMTP is the protocol used for sending emails • Email client software < ---- > SMTP server • A new application usually uses a new protocol, e.g. BitTorrent protocol: http://en.wikipedia.org/wiki/BitTorrent_(protocol) • TCP is a protocol used by Internet hosts for reliable data transmission — Recall that Internet packets could be lost inside the Internet • IEEE 802.11 is the protocol used in WiFi — How to coordinate a number of wireless devices within a WiFi network?