Computer Networking: A Top Down Approach Featuring the Internet - Chapter 9 Network Management potx

... RequestTrapAgent-to-mgr: inform managerof exceptional event Network Management 9-7 Chapter 9 outline❒What is network management? ❒ Internet- standard management framework❍Structure of Management ... management agentdataagentdataagentdataagentdatamanaged devicemanaged devicemanaged devicemanaged devicemanagingentitydata network management protocoldefinitions:managed devices containmanaged objects whose data ... adopted rapidly❒growth: size, complexity❒currently: SNMP V3❒de facto network management standard Network Management 9-5 Infrastructure for network management agentdataagentdataagentdataagentdatamanaged...

... 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 ... Infrastructure for Network Management 7609.3 The Internet- Standard Management Framework 7649.3.1 Structure of Management Information: SMI 7669.3.2 Management Information Base: MIB 77014 CHAPTER ... 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...