End- Site Control Plane Service (ESCaPeS) Monitoring with. Perisc pe. Mar8n Swany U. Delaware. (Indiana University effec8ve 8.1.
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1 End- Site Control Plane Service (ESCaPeS) Monitoring with Perisc pe Mar8n Swany U. Delaware (Indiana University effec8ve )
2 End Site Control Plane System (ESCPS) Network service to facilitate site use of circuit services: Accept and process user/app requests for circuit services Provide local interface to & coordina8on of WAN circuit services Configure local network infrastructure for use of circuits Monitor local network segments of end- to- end path Long term vision: End site component of federated control plane for circuit services
3 F Regional network F: Aggregate flow endpoint V: Virtual path (service) endpoint T: Termina8on point (virtual circuit) A: Admission point (virtual circuit) C: Con8nua8on point (virtual circuit) V,T A C F End- site WAN Link Uncontrolled segment (dedicated/over- provisioned) ESCPS- controlled segment ESCPS virtual circuit (OSCARS in LAN) 3 rd party segment (sta8cally configured) Virtual circuit (WAN) A End- site V T C T,V F F
4 XSP extensible Session Protocol XSPd implements protocol frontend Accepts on- demand reserva8on requests from clients Signals ESCaPeS to allocate a circuit and monitors circuit status Monitoring Agent ESCPS Status XSP_CIRCUIT=TERAPATHS GridFTP (client) X S P <SRC, DST> XSPd ESCPS Proper8es à BW à Dura8on à Traffic Class à Ports ESCaPeS / OSCARS Remote end- site WAN Data channel LAN
5 Periscope A Django- based applica8on that gathers, caches, analyzes and displays performance data Also presents data via RESTful and WS interfaces A user- (or session- ) oriented tool that captures context Proac8ve gathering of data improves response 8me Caching the user s world
6 Periscope Overview Periscope perfsonar Network Monitoring XSP Daemon Periscope GridFTP XIO driver libxsp Calipers XSP Daemon GridFTP XSP Daemon libxsp XIO driver Calipers Host / Disk TCP stats BLiPP WAN BLiPP Host / Disk TCP stats
7 Host GridFTP XSP Monitoring Architecture 2 3 XSPd ESCaPeS / OSCARS 1 4 Router Periscope Monitor Agent Router Agent 1. Host sta8s8cs collec8on and repor8ng with event daemon. 2. XSP client requests path on applica8on request, sends path and applica8on- specific parameters. 3. XSPd signals ESCPS to reserve path based on local config. 4. XSPd monitors path status and reports state to monitoring agent. 5. Agent requests Filter based forwarding or policy based rou8ng counters from router monitor when path is ac8ve. 6. Monitoring agent caches measurement data (SNMP). 7. The agent visualizes the network topology and handles client requests for dynamically updated charts and path status.
8 Host and Applica8on Metrics Basic Lightweight perfsonar Probes (BLiPPs) gather host performance data From /proc, etc NetLogger and Calipers instrument read() and write() system calls, calculate dura8on, summarize over 8me with varying granularity
9 ESCaPeS Monitoring
10 ESCaPeS Monitoring
11 ESCaPeS Monitoring
12 GridFTP Monitoring
13 Unified Network Informa8on Service Merges TS & LS Topology model (UNIS) Tree of nodes at different layers (Network/Node/Port) Relations between arbitrary nodes Node properties GIS for networks Relates MPs, MAs to topology
14 Links and Paths (and Links)
15 Links and Paths (and Links) Layer 2 Circuit Endpoint Layer 2 Circuit Endpoint Layer 2 Device Layer 2 Device Layer 2 Device Layer 2 Device
16 Links and Paths (and Links) TCP endpoint for GridFTP TCP endpoint for GridFTP IP Device IP Device IP Device IP Device
17 Thanks DAMSL: Ezra Kissel, Guilherme Fernandes, Ahmed El- Hassany, Omer Arap, Man Jaffee ESCaPeS gang: Phil Demar, Andrey Bobyshev, Dantong Yu, Dimitri Katamatos LBL: Dan Gunter, Taghrid Samak Support: DOE DE- SC : End Site Control Plane Services (FNAL, BNL, UDel) NSF OCI : Middleware for Monitoring and Troubleshoo8ng of Large- Scale Applica8ons on Na8onal Cyberinfrastructure (LBL and UDel) GENI 1788 Leveraging and abstrac8ng measurements with perfsonar (UDel) NSF OCI SDCI NMI: Produc8on Services with the perfsonar framework (UDel) DOE DE- AC02-05CH11231: Center for Enabling Petascale Distributed Science (LBL)
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