-sflow. MRTG(Multi Router Traffic Grapher) MRTG NetFlow SNMP PNG HTML MRTG. Netflow. Statistic PC Collector. PC ( Statistic PC ) Analyzer.
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1 TANET -sflow 1. MRTG Netflow MRTG(Multi Router Traffic Grapher) SNMP PNG HTML MRTG : Unix Windows MRTGPERL MRTG C PNG GD PNG MRTG Web Cisco Netflow (traffic) Cisco Netflow : Cisco Router flow-export function Statistic PC Collector flow PC ( Statistic PC ) Analyzer (Analyzer) Collector flow source_ip destination_ip flows packets size web 2. sflow Switch Router Layer 3 Switch IP MRTG NetFlow Layer3 Switch Router Layer2-Layer4 IP ( Route Table Next Hop Address Source and Destination AS Destination AS Path ) Foundry InMon sflow RFC3176 Foundry SFlow TANet 2.1 sflow sflow Switch IP Header Source and Destination IP Address Protocol and Port Number AS Number Interface VLAN sflow "Flow Entry" Sampling Mechanisms( ) sflow Agent sflow MIB sflow Agent sflow Agent Sample Data( ) Central Data Collector : sflow
2 Gigabit sflow agent sflow agent sflow Switch Router Gateway sflow Agent sflow sflow Analyzer Sampling SFLOW MIB sflow Agent sflow Datagram sflow Analyzer 2.2 sflow sflow Interface Switching Routing Interface 0 Total_Packets sflow Agent Statistical packet-based sampling of switched flows. Time-based sampling of network interface statistics. Sampling of switched flows Flow Interface Switching Routing Interface Flow Flow Sampling of network interface statistics Polling sflow Polling Interval sflow Agent sflow Agent sflow Datagram sflow Analyzer 2.3 sflow sflow agent sflow Datagram sflow Collector Analyzer sflow Datagram sflow Collector InMon Technology sflowtool sflow Agent sflow tcpdump ntop snort sflowtool startdatagram ================================= datagramsourceip datagramsize 1404 unixsecondsutc datagramversion 2 agent sysuptime packetsequenceno samplesinpacket 9 samplesequenceno sourceid 0:25 sampletype FLOWSAMPLE meanskipcount 512 samplepool
3 dropevents 0 inputport 25 outputport packetdatatag INMPACKETTYPE_HEADER headerprotocol 1 sampledpacketsize 64 headerlen 64 sflowtool sflow Protocols Packet headers Ethernet/802.3 IP/ICMP/UDP/TCP IPX Appletalk Layer2 Input/Output interface Input/Output Priority Input/Output VLAN Layer3 Source subnet/prefix Destination subnet/prefix Next hop BGP 4 Source AS Source Peer AS Destination AS Destination Peer AS Communities AS Path 3. sflow SQL Client/Server client PERL PHP Delphi sflow IP IP IP WWW FTP SMTP DNS NEWS PROXY OTHER TELNET 3.1 sflow sflow
4 Flow Collector Module sflowtool perl sflow ( Foundry Router Switch )sflow agent (Flow Records) Data Warehouse sflow (Raw Data) Data Warehouse Flow Collector Module Flow Analyzer Module Flow Analyzer Module Flow Monitor Module Flow Analyze r Module Flow Collector Module sflow Flow Monitor Module Web sflow (Filter) Data Warehouse Monitor Module Data Warehouse (Filter) Flow Monitor Module PHP Web Flow Analyzer Mod Data Warehouse HTML 3.2 sflow Flow Collector Module sflowtool sflow Agent sflow PERL sflow Row Data Data Warehouse Data Warehouse MySQL Flow Collector Module sflow Flow Analyzer Module Flow Monitor Module MySQL C C++ GCC GNU C C++ JAVA PERL TCL (Isamchk) Flow Analyzer Module Flow Collector Module sflow Flow Monitor Module Web Flow Analyzer Module sflow (Filter) Data Warehouse
5 AS Number IP (IP Block) (Host) (Physical Interface) (Application Protocol and Port Number) VLAN Flow Monitor Module Web PHP PHP (server-side) (cross-platform) HTML (HTML embedded scripting language) (module) Apache MySQL msql PostgreSQL Sybase Informix InterBase 3.3 sflow sflow sflow sflow Collector sflow Collector raw data IP (Port) IP ( 1 ) IP IP 6677 peer-to-peer IP sflow Foundry InMon sflow RFC3176 Foundry Foundry
6 Foundry sflow sflow TANet sflow sflow sflow sflow Foundry HP TANet TANet TANet TANet sflow [1] MRTG [2] sflow [3] MRTG [4] NetFlow [5] Cisco NetFlow [6] RFC 3176 InMon Corporation's sflow : A Method for Monitoring Traffic in Switched and Routed Networks [7] InMon Corp. Traffic Monitoring Using SFLOW
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