Computer Networking: A Top Down Approach Featuring the Internet - Chapter 8 Network Security potx

... management standard Network Management 9-5 Infrastructure for network managementagentdataagentdataagentdataagentdatamanaged devicemanaged devicemanaged devicemanaged devicemanagingentitydata network managementprotocoldefinitions:managed ... measure/monitor❍how to respond to failures?❍alarm correlation/filtering? Network Management 9-1 Chapter 9 Network Management Computer Networking: A Top Down Approach Featuring the Internet , ... devicemanagingentitydata network managementprotocoldefinitions:managed devices containmanaged objects whose data is gathered into a Management InformationBase (MIB) managing entity Network Management 9- 15SNMP...

... linkphysicalapplicationtransport network data linkphysical network data linkphysical network data linkphysical network data linkphysical network data linkphysical network data linkphysicallogic a l end - end ... channel❍receiver read data from underlying channelWait for call from abovepacket = make_pkt(data)udt_send(packet)rdt_send(data)extract (packet,data)deliver_data(data)Wait for call ... linkphysicalapplicationtransport network data linkphysical network data linkphysical network data linkphysical network data linkphysical network data linkphysical network data linkphysicallogic a l end - end tr a nsport...

... conceal the loss. • Can also append (n-1)st and (n-2)nd low-bit ratechunk 7: Multimedia Networking 7- 16Streaming Stored MultimediaApplication-level streaming techniques for making the best ... intolerant but delay tolerant.Classes of MM applications:1) Streaming stored audio and video2) Streaming live audio and video3) Real-time interactive audio and videoJitter is the variability ... of packet delays within the same packet stream 7: Multimedia Networking 7-4 Chapter 7 outline❒7.1 Multimedia Networking Applications❒7.2 Streaming stored audio and video❒7.3 Real-time...

... wide-areaaccess technologies a fourth-generation (4G) of wide-area wireless networks—arealready being deployed. LTE ( for “Long-Term Evolution” a candidate for BadAcronym of the Year Award) has ... segments the data and adds header bytes to each segment. The resulting pack-ages of information, known as packets in the jargon of computer networks, are thensent through the network to the destination ... CHAPTER 1 • COMPUTER NETWORKS AND THE INTERNET Section 1.3.1). On the customer side, a splitter separates the data and telephone sig-nals arriving to the home and forwards the data signal to the DSL...