'Mac frame format' diaporamas de présentation

ECS 152A

ECS 152A. 9. Local Area Networks. LAN Applications (1). Personal computer LANs Low cost Limited data rate Back end networks Interconnecting large systems (mainframes and large storage devices) High data rate High speed interface Distributed access Limited distance

1.3k views • 121 slides

Local Area Networks

Local Area Networks. Why High Speed LANs?. Office LANs used to provide basic connectivity Connecting PCs and terminals to mainframes and midrange systems that ran corporate applications Providing workgroup connectivity at departmental level Traffic patterns light

780 views • 74 slides

William Stallings Data and Computer Communications 7 th Edition

William Stallings Data and Computer Communications 7 th Edition. Chapter 1 5 Local Area Network Overview. LAN Applications (1). Personal computer LANs Low cost Limited data rate Back end networks Interconnecting large systems (mainframes and large storage devices) High data rate

762 views • 64 slides

Data and Computer Communications

615 views • 54 slides

ANSI/IEEE 802.11

ANSI/IEEE 802.11. Wireless LAN Medium Access Control(MAC) and Physical Layer(PHY) Specifications. 802.11 Design issue. The media impact the design Neither absolute nor readily observable boundaries Unprotected from outside signals Less reliable than wired PHYs Dynamic topologies

461 views • 35 slides

IEEE 802.11 Wireless LAN Standard

IEEE 802.11 Wireless LAN Standard. Chapter 14. IEEE 802 Protocol Layers. Protocol Architecture. Functions of physical layer: Encoding/decoding of signals Preamble generation/removal (for synchronization) Bit transmission/reception Includes specification of the transmission medium.

512 views • 33 slides

LAN Protocol Architecture

LAN Protocol Architecture. LAN Protocol Architecture. Lower layers of OSI model IEEE 802 reference model, is a standardized protocol architecture for LANs, which describes: Physical layer. Logical link control (LLC) sub-layer, Media access control (MAC) sub-layer. IEEE 802 v OSI.

475 views • 11 slides