Articles related to the following topics:   Answering THE QUESTION: is it the Network, the Server, the Workstation, the Operating System or Aliens from the future?  Analyzing any Application as it operates across a Network of any size.  Troubleshooting an under performing Applications & Networks. Profiling an Application to understand its Behavior on the Enterprise Network.  Profiling an Application to Tune its Network "Citizenship."

Below is a list of articles with the most recent ones listed first. Multi-Tier Latency Concepts-01 The issue of latency of any kind, is a complex issue. Latency measurements in multi-tiered designs are the most complex of all. That being said, below are Five Concepts to help get you started. The Saturation Point Describes how enterprise networks reach a point where they become unmanageable and costly in many ways--and how to avoid this saturation point. Baselining--Stress Testing--Performance Testing--Oh My--Part TWO Describes Best Practice for the creation of various types of Testing Environments such as DEV, QA, UAT, Parallel Prod, PROD, Labs and more. Baselining--Stress Testing--Performance Testing--Oh My--Part ONE Describes the impact of IT vendor product's limitations and abilities on how IT workers "think" about Troubleshooting and Performance Analysis. Interpath Application Flow Diagrams-01 An Interpath Diagram (application flow diagram or process flow diagram) is NOT a network diagram, although there are similarities. When I ask for this type of diagram, nine out of ten times, what I receive is a Network Diagram. Let’s discuss the differences. Packet-Sniffer Filtering Concepts-01 Discusses basic concepts of Packet-Sniffer Filtering that apply to all packet-sniffer products. The first article of this topic but not the last. The 7 Most Common Mistakes Using Packet-Sniffers The 7 most common mistakes that cause IT professionals to fail to get accurate or actionable results from Packet-Sniffers. Why Network Assessments Must Include Application Behavior Why the Network Assessment process MUST include Application & Network Protocol Behavior. Excessive TCP Connections Article describes problems with excessive TCP connections in legacy applications developed for non TCP networks -- later adapted for TCP networks. Describes symptoms and causes. Performance Tuning Is A Process -- Not A Tool Why automated network application performance monitoring and tuning tools frequently fail to resolve or predict problems--and what to do about it. Building a Simple Open-Source Distributed Packet-Sniffer This design is meant to assure that the NIC that is listening to the Monitor is not sending any packets itself. Network & Application Performance Analysis Fundamentals How an expert Network & Application Performance Analyst can solve long standing, never properly diagnosed performance problems, leveraging a root-cause analysis approach. The Application's Interpath EVERYONE'S FIRST QUESTION: Is it Network - Application - Server - Desktop - WAN? The Interpath maps out the flow in a way that can answer this question.

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