NRL

1
NRL

• 2003-12-5
• Chul Lee

2
Progress/Plan

• Progress
• Automatic Resource Provisioning
• Using Control theory
• Forecasting with Time series analysis
• Plan
• To design
• Controller which allocates resource
• Forecasting with ARIMA model
• To study on the automatic model fitting algorithms

3
Automatic Resource Provision

• Capacity efficiency
• Minimizing

1. Control theory
2. Forecasting with time-series
Resource Allocator
Resource Usage Model
RC
RA
Input streams
RC Resources which is required for the current
input streams RA Resources which is allocated
currently
4
Automatic Resource Provision

• With a controller

1. Control theory
Resource Usage Model
RC
Controller
Actuator
RA
Input streams

-
5
Automatic Resource Provision

• Cases of predictable input streams

2. Forecasting with time-series
Resource Usage Model
RC
Forecasting (ARIMA model)
Resource Allocator
RA
Input streams
6
Automatic Resource Provision

• Automatic performance model fitting

Real System
RCR
Model fitter

-
Resource Usage Model
RC
Input streams