Apdex Reporting in the
NetQoS Performance Center
Tim Smith
Product Manager
12 – 9 - 08
Apdex Symposium, Las Vegas
CMG Session 338
Complete Network Performance Management
Application
Response
Times
VoIP
Quality of
Experience
Device
Performance
Management
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© NetQoS, Inc. 2008. All Rights Reserved.
Long-Term
Packet
Capture and
Analysis
Network
Traffic
Analysis
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
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Value of End-to-End Monitoring
Pg. 4
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Operations Views
• Identify performance incidents
• Isolate cause to Network / Server / Application
• Provide diagnostic data relating to the cause
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Engineering Views
• Detailed performance reporting
• Validate the impact of change
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Management Views
• Performance SLA reports, Availability SLA reports
• Long timeframes against fixed standards
• Apdex ???
Pg. 7
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Configuration of 2-Tier SLAs
• Configure by Application, by Network group
• Best practices specify methods for data-driven threshold selection
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Apdex thresholds
•
Apdex T ~ SLA 1 threshold
•
Apdex F ~ SLA 2 threshold
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Transaction Time
Total Transaction Times show Good and Excellent performance in the aggregate.
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Server Response Time
Server Response Times show Excellent performance in the aggregate.
Pg. 11
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Network Round Trip Time (NRTT)
Altisys App Aggregation performance is Unacceptable across the week.
Drill in.
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NRTT by Application
Two high-volume Altisys applications show Unacceptable performance.
One low-volume Altisys application shows Poor performance.
Drill in.
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NRTT, One App, by Region
When drilled in to a single application, you see Apdex by Network Type.
This shows similarly Unacceptable application performance by region.
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© NetQoS, Inc. 2008. All Rights Reserved.
Key Components of Apdex Report
• NetQoS Performance Center supports Enterprisewide Management-level reporting
• NetQoS SuperAgent supports Turn-based Apdex
• Detailed Engineering graphs support best practices
selection of T & F thresholds
• Interactive drill in by Metric, Aggregation, Application
• Response Times
Times, Observation Counts
Counts, and Apdex
always reported together
• Simple time navigation for exploration
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Network Round Trips per Transaction
PeopleSoft version 8
• 1.47 million Server
Response
p
Time
observations
• 5.84 million NRTT
observations
• Average of 4 round
trips per TCP
transaction
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© NetQoS, Inc. 2008. All Rights Reserved.
Network Round Trips per Transaction
Telnet
• 1.11 million Server
Response Time
Observations
• 2.88 million NRTT
Observations
• Average of 2.5
round trips per
TCP transaction
i
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Network Round Trips per Transaction
Oracle Database
• 639 million Server
Response
p
Time
Observations
• 666 million NRTT
Observations
• Average of 1
round trip per
TCP transaction
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Apdex in NetQoS Performance Center
Enterprise-wide, Turns-based Apdex reporting.
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Questions
Pg. 20
© NetQoS, Inc. 2008. All Rights Reserved.