SimpleBandwidthEstimator (I2P Anonymous Network - Java Documentation - Version 1.5.0)

java.lang.Object
- net.i2p.router.transport.udp.SimpleBandwidthEstimator

All Implemented Interfaces:

BandwidthEstimator
```
class SimpleBandwidthEstimator
extends Object
implements BandwidthEstimator
```
A Westwood+ bandwidth estimator with a first stage anti-aliasing low pass filter based on RTT, and the time-varying Westwood filter based on inter-arrival time. Ref: TCP Westwood: End-to-End Congestion Control for Wired/Wireless Networks Casetti et al (Westwood) Ref: End-to-End Bandwidth Estimation for Congestion Control in Packet Networks Grieco and Mascolo (Westwood+) Adapted from: Linux kernel tcp_westwood.c (GPLv2)

Since:

0.9.49 adapted from streaming

Constructor Summary

Constructors
Constructor Description

SimpleBandwidthEstimator(I2PAppContext ctx, PeerState state)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addSample(int acked)`	Records an arriving ack.
`float`	`getBandwidthEstimate()`
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SimpleBandwidthEstimator
```
SimpleBandwidthEstimator(I2PAppContext ctx,
                         PeerState state)
```
- Method Detail
  - addSample
```
public void addSample(int acked)
```
    Records an arriving ack.
    
    Specified by:
    
    addSample in interface BandwidthEstimator
    
    Parameters:
    
    acked - how many bytes were acked with this ack
  - getBandwidthEstimate
```
public float getBandwidthEstimate()
```
    Specified by:
    
    getBandwidthEstimate in interface BandwidthEstimator
    
    Returns:
    
    the current bandwidth estimate in bytes/ms.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object