C-Docs: Review, edit, add parts of the documentation

[csit.git] / docs / content / _index.md

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 # Documentation Structure
 
 1. OVERVIEW: General introduction to CSIT Performance Dashboard and CSIT itself.
-   - **C-Dash**
-   - **CSIT**
+   - **C-Dash**: The design and the structure of C-Dash dashboard.
+   - **CSIT**: The design of the [FD.io](https://fd.io/) CSIT system, and the
+     description of the test scenarios, test naming and test tags.
 2. METHODOLOGY
-   - **Overview**
-   - **Measurement**
-   - **Test**
-   - **Trending**
-   - **Per-patch Testing**
+   - **Overview**: Terminology, per-thread resources, multi-core speedup, VPP
+     forwarding modes and DUT state considerations.
+   - **Measurement**: Data plane throughput, packet latency and the telemetry.
+   - **Test**: Methodology of all tests used in CSIT.
+   - **Trending**: A high-level design of a system for continuous performance
+     measuring, trending and change detection for FD.io VPP SW data plane (and
+     other performance tests run within CSIT sub-project).
+   - **Per-patch Testing**: A methodology similar to trending analysis is used
+     for comparing performance before a DUT code change is merged.
 3. RELEASE NOTES: Performance tests executed in physical FD.io testbeds.
-   - **CSIT rls2306**
-   - **Previous**
+   - **CSIT rls2306**: The release notes of the current CSIT release.
+   - **Previous**: Archived release notes for the past releases.
 4. INFRASTRUCTURE
    - **FD.io DC Vexxhost Inventory**: Physical testbeds location.
    - **FD.io DC Testbed Specifications**: Specification of the physical
      testbed infrastructure.
    - **FD.io DC Testbed Configuration**: Configuration of the physical
      testbed infrastructure.
-   - **FD.io CSIT Testbed Versioning**: CSIT testbed versioning.
-   - **FD.io CSIT Logical Topologies**: CSIT Logical Topologies.
-   - **VPP Startup Settings**
-   - **TRex Traffic Generator**
+   - **FD.io CSIT Testbed Versioning**: CSIT test environment versioning to
+     track modifications of the test environment.
+   - **FD.io CSIT Logical Topologies**: CSIT performance tests are executed on
+     physical testbeds. Based on the packet path thru server SUTs, three
+     distinct logical topology types are used for VPP DUT data plane testing.
+   - **VPP Startup Settings**: List of common settings applied to all tests and
+     test dependent settings.
+   - **TRex Traffic Generator**: Usage of TRex traffic generator and its traffic
+     modes, profiles etc.