A Network Monitoring Tool for CCN
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1 A Network Monitoring Tool for CCN Wonchul Kang, Byungryeol Sim, Joohee Kim, Eunkyoung Paik, and Youngseok Lee Chungnam National University at Korea Presented by Taeseong Kim 1
2 Contents Introduction Monitoring Methods Results Conclusion 2
3 Motivation Goal To develop a Content Centric Networking (CCN) t raffic monitoring tool Scope Data collection with SNMP, IPFIX and HTTP Visualization of traffic characterization and conce ntration in CCN Implementation in Web UI 3
4 CCN Background Communication driven by the consumers of data Two type of packets Interest Content Object State tables in CCN node CS, PIT, and FIB CS (Content Store) : the buffer memory for the content PIT (Pending Interest Table) for tracking Interest packet that have not been satisfied FIB (Forwarding Information Base) to forward Interest packet toward source of mat ching data V. Jacobson, D.K. Smetters, J.D. Thornton, M.F. Plass, N.H. Briggs, and R.L. Braynard, Net- working Named Content, In CoNEXT '09, Rome, Italy, Dec
5 Background CCNx ( Implementation of CCN Linux, Android C, JAVA An overlay prototype of CCN over IP 5
6 Background IPFIX IPFIX is IETF standard based on Cisco s NetFlow version 9 SNMP Network management protocol for monitoring on IP network SNMP agents will collect information on devices Information element defined in MIB IPFIX template set 6
7 CCN Monitoring Tool CCN Node (Router) SNMP Agent IPFIX Result store and UI CCN Mobile Node UI DB CCN Status Reporter CCN Traffic collect and analysis server SNMP Server IPFIX Collector Traffic analysis Module 7
8 Software Stack of CCN Monitoring Tool SNMP Agent CCN Status Reporter IPFIX Agent LiBPCAP Flow Data CCN Daemon SNMP Data Network Visualization Statistics Graph CCN Node Web Server CCN Status Reporter HTTP Data / DB IPFIX Collector SNMP Collector CCN Daemon CCN Mobile Node CCN Collector / Visualizer 8
9 Gathering Information of CCN Node with SNMP Method New Private MIB for CCN CCN system information CPU, Memory, HDD, Network Interface CCN information Daemon status Face information Content Store information Pending Interest Table information Forwarding Information Base information 9
10 SNMP Private MIB for CCN 10 CCN-MIB(10) ccnidentity(2) ccncssummary(3) ccninterestsumma y(4) ccnfaces(5) ccnfib(6) ccnpit(7) ccncs(8) ccnid(1) apiversion(2) starttime(3) now(4) accessioned(1) stored(2) stale(3) spares(4) duplicate(5) sent(6) names(1) pending(2) propagating(3) noted(4) accepted(5) dropped(6) isent(7) stuffed(8) facetable(2) faceentry(1) faceid(1) faceflags(2) pending(3) recvcount(4) ip(5) via(6) byteintotal(7) byteinpersec(8) byteouttotal(9) byteoutpersec(10) dataintotal(11) datainpersec(12) introuttotal(13) introutpersec(14) dataouttotal(15) dataoutpersec(16) intrintotal(17) intrinpersec(18) fibtable(2) fibentry(1) fibid(1) prefix(2) ffaceid(3) flags(4) expires(5) pittable(2) pitentry(1) pitid(1) pprefix(2) cssizetotal(2) cstable(3) csentry(1) csid(1) csname(2) csuri(3) cschunkcount(4) cssize(5) ccnstatus(1) facecount(1) fibcount(1) protocol(6) host(7) pitcount(1) pfaceid(3) pflags(4) pexpiretime(5) psent(6) cscount(1) ccnfibinterface(9) fitable(1) fientry(1) fiid(1) fiface(2) firemote(3)
11 Communication in SNMP Request Response Face, PIT, FIB Push PIT Status CCN Status Reporter CCN Daemon CCN Dump Names Data Storage SNMP Agent CS Using SNMP for gathering CCN information CS : use ccndumpnames PIT : our PIT lookup module in CCN daemon FIB, Face : our CCN status reporter 11
12 Gathering CCN Flow Data with IPFIX CCN Mobile Node CCN Status Reporter CCN Node 2. IPFIX Agent 1. CCN Interest Packet Src addr: Dst addr: Src Port: Dst Port: 9695 Type: Interest Name: ccnx:/my_ccnx_repo/vm_ wmv/%00%01 Interest Packet Data Packet Interest Packet Data Packet Interest Packet Data Packet 3. IPFIX Flow Interest ccnx:/my_ccnx_repo/vm_ wmv/%00% CCN Interest packet 2. Make IPFIX flow 3. Send IPFIX flow to collector IPFIX Template Src IP Dst IP Src Port Dst Port Flow ID Out Packets Out Byte Type Content Name Time Stamp IPFIX Collector IPFIX Agent SNMP Agent Data Collector 12
13 Gathering Information of CCN Mobile Node with HTTP Data collection with HTTP HTTP : unable to use SNMP and IPFIX in Android Our module XML data parser for CCN daemon reporter Result store and UI CCN Status Reporter UI DB CCN Daemon CCN Status Face FIB HTTP 13
14 Web User Interface (1/2) 14
15 Web User Interface (Graph) 15
16 Experiment Content Consumer CCN Daemon Content Provider Content Consumer CCN Daemon CCN Repository CCN Daemon CCN Daemon Content Consumer
17 Conclusion Develop a CCN monitoring tool with SNMP, IPFIX and HTTP Currently, our monitoring tool works in only IP-Overlay network Future work CCN-native monitoring method 17
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