The components of LoadRunner are The Virtual User Generator,
Controller, and the Agent process, LoadRunner Analysis and
Monitoring, LoadRunner Books Online.

virtual user generator
controller
scheduler and 
analyser

The components of LoadRunner are, 
1)RCL - Remote Command Lanchur (makes original request as 
remote request)
2)vgen - virtual user generater (generates no.of vusers)
3)port mapper- applies all vuser transaction on build
4)controller scenario
5) result analyzer

RCL and port mapper are internal processes (not visible)

Components in LoadRunner are:
1.Virtual user generator(vugen.exe)
2.Load Controller(wlrun.exe)
3.Load Generator(mdrv.exe)
4.Agent processor(magentproc.exe)
5.Analysis(analysisui.exe)

vugen, controller, analysis, load generator, launcher

LoadRunner contains 5 components

1) Virtual User Generator
2) Controller
3) Analysis
    and
4) Load Generator
5) Agent processor  

vugen
controller
rcl
loadgenerator
analysis

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