SuperAgent nie je AGENT! 1.0Available Investigations. From the Dashboard to the Root Cause. ... •...
Transcript of SuperAgent nie je AGENT! 1.0Available Investigations. From the Dashboard to the Root Cause. ... •...
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SuperAgent nie je AGENT!
Roman Tuchyňa, CSA
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Complete Network Performance Management
Unified Communications QoE
Long-Term Packet Capture
and Analysis
Network Traffic Analysis
Device PerformanceManagement
Unified Communications
QoE
Application Response Times
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Application Response Times
• Application service level reporting down to packet details
• Unique WAN optimization monitoring
• Root cause analysis, problem isolation & automated investigations
• Passive appliance architecture requires no agents or probes
Unified Communication
s QoE
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Value of End-to-End Monitoring
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SuperAgent Architecture
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Scaling to the Most Demanding Networks
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NoResponse
User Infrastructure Server(s)
TCP(80) SYN
WAN Web Transaction
Server Response Time
Network Roundtrip Time
Retransmission Delay
Data Transfer Time
TCP(80) SYN ACKTCP(80) ACK
HTTP GET Front Page (Data Request A [Seq 400])
(Data Response A [Seq 401])
ACK Response A [Seq 401]
(Data Response A [Seq 402])
ACK Response A [Seq 402]
HTTP GET New Link (Data Request B [Seq 500])
Retransmitted HTTP GET New Link (Data Request B [Seq 500])
Retransmitted HTTP GET New Link (Data Request B [Seq 500])
(Data Response B [Seq 500])
ACK Response B [Seq 500]
(Data Response B [Seq 501])
ACK Response B [Seq 501]
Total Transaction Time
NoResponse
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Response Time Insight
Server Response TimeAmount of time it takes for the server to begin responding to a request.
Srv Resp+
Data Xfer
Data Transfer TimeAmount of time it takes for the server to send the requested dataRetransmission TimeDelay to Network Round Trip Time that applications experience due to retransmissions
+Retrans
+Network RTT
Network Round Trip TimeAmount of time it takes for a packet to traverse the network in both directionsTotal time for single TCP transaction across the network
=
Total Transaction Time
(grey line represents observed transactions over the given time interval)
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SuperAgent Setup
SPAN
SuperAgent
Ingolstadt
Finance Web Tier 1192.168.97.1192.168.97.2192.168.97.3
Finance BEA Tier 2192.168.98.1192.168.98.2192.168.98.3
Finance OracleData 3192.168.99.1192.168.99.2192.168.99.3
TCP 4545(Payroll BEA)
TCP 1521 (Payroll Oracle)
Raleigh
Singapore VPN-Users
TCP 80(Payroll)
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Three Components
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— Baselines normal performance
— Automatically computes thresholds to define Degraded & Excessive performance
— Classifies relative performance for all monitored networks, servers, & applications
— Launches appropriate, automated investigations when performance degrades
What we do with the Data
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Recency:
The problem first began shortly after 6:00 AM
Interpretion
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Duration:
As of 10:00 PM, the problem has been ongoing for 16 hours
Interpretion
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Severity:The problem started as a degraded issue
and is now excessive
Interpretion
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Interpretion
Pervasiveness:The problem is effecting user across
your network
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Incidents launch actions.
There are two types of actions:
— Investigations− Perform the action of the engineer by proxy − Perform the action immediately—at the time performance degradation is
detected
— Notifications− Alert that a threshold has been crossed− Available via e-mail or SNMP trap
Types of Actions
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— Trace Route− Find multiple outbound paths; identify slowest hop
— SNMP Performance Query− Collect router and server performance data
— Application Connect Time− Time required to connect to the server
— Ping− Ping test of server response time− Ping test using range of packet sizes
— Packet Capture− Gather raw data for analysis in an external tool
Available Investigations
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From the Dashboard to the Root Cause
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From the Dashboard to the Root Cause
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From the Dashboard to the Root Cause
well above Baseline
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From the Dashboard to the Root Cause
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From the Dashboard to the Root Cause
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From the Dashboard to the Root Cause
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From the Dashboard to the Root Cause
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MultiPort Collector
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— High-performance, port-dense Collector for APM solution.
— Interactive detailed session analysis.
— Performance and volume data at 1-min granularity.
— Complements higher-level reporting in the NPC dashboard.
Multi-Port Collector
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Use Case
Identify one of the affected clients.
Performance Center Link to the Incidents PageSelect Session
Analysis to drill to Multi-Port Collector with
pre-filtered context
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Application Performance by Server
Locate the Worst-Performing Server
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Performance for an Affected Client
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Export Packets for Further Analysis
Multi-Hop Analysis
Connection Dynamics
Use Observer™ for Packet Decode
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Long Term packet capture and analysis
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Long-term Packet Capture
> Retrospective packet analysis with stream reconstruction
> Root cause analysis via automatic investigations
> TiVo® for your network - storage up to 200 TB
> Multi-hop analysis, connection dynamics, and 3-pane decode
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Virtual Collector
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Monitoring Challenges
Multi-tier ApplicationESX Server #1
SuperAgent Collector
Data Center Switch
1. Intra-server communication (VM to VM)2. Dynamic provisioning of new servers3. V-Motion – Movement of a virtual server from one
ESX to another
Server Farm
ESX Server #2
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Response Time Virtual Collector
• Supports Cisco Nexus 1000v and VMware vSwitch
• Monitoring multi-tier (VM to VM) communication within VMware ESXTM host
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VMware vCenterTM API Integration
• NetQoS Performance Center response time views alongside VM device level information
• Trend reports highlight performance bottlenecks
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Summary
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— Understand normal performance through baselines
— Receive automatic alerts when performance degrades
— Quickly identify the source of performance problems
— Automatically gather diagnostic data through filtered packetcaptures, SNMP polling, and traceroutes
Summary
User Infrastructure Server(s)
WAN
Solve performance problems faster by isolating the source to the application, server, or network.
Mitigate risks from planned changes and unexpected events with before and after analysis.
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Overall Dashboard
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Overall Dashboard
> Customizable, role-based access and reporting> Web console with top-down and drill-down
navigation> Single interface for problem discovery down to root
cause> Correlated key metrics for infrastructure planning
and decision support> Third-party data integration
Long-Term Packet Capture
and Analysis
Network Traffic Analysis
Device PerformanceManagement
Unified Communications
QoE
Application Response Times
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Thank you!