Bluetooth - Networking - Lecture Slides, Slides of Computer Networks

Download Bluetooth - Networking - Lecture Slides and more Slides Computer Networks in PDF only on Docsity! Bluetooth docsity.com Introduction •What is Bluetooth? •What does it do? •History of Bluetooth docsity.com User Application • Car manufactures Industry • E-Mail / Internet / Intranet Access • Headsets • Bluetooth will facilitate Local Area Networks docsity.com Bluetooth in Action Source: http//:www.motorola.com In the Office ... In the house docsity.com Home Security On the Road Source: http//:www.motorola.com docsity.com What is a Piconet? • A Piconet session is a communication link that must be created between devices for devices to communicate with each other. • This is done when the MAC address and the PIN number match. docsity.com Piconet (cont.) • If two devices come onto contact with each other( 32 feet) the user will be prompted to initiate a communication session •Users then can either deny or accept the request to initiate a session •Only devices approved by the user can take part in the session •Data will appear as noise to unauthorized devices (A great security feature). docsity.com FHHS • Bluetooth devices use a protocol called (FHHS) Frequency-Hopping Spread Spectrum . •Uses packet-switching to send data. • Bluetooth sends packets of data on a range of frequencies. • In each session one device is a master and the others are slaves. • The master device decides at which frequency data will travel. docsity.com Bluetooth Security • Modes • Security Mode 1 • No Security • Security Mode 2 • Service Level Enforced Security • Implemented after channel is established • Security Mode 3 • Link Level Enforced Security • Implemented before channel is established docsity.com Devices • “Trusted” • No Restrictions • “Untrusted” • Restrictions, Access is limited docsity.com Service Levels • Authorization and Authentication • Authentication Only • Open to all Devices docsity.com * Growing Technology ¢ Automation Wrap up docsity.com For More Information Please Visit The Following Sites • www.motorola.com • www.xircom.com • www.palowireless.com • www.bluetooth.com docsity.com