Comments on: Apple’s Broadband Tuner

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By: Walter Jeffries

Walter Jeffries — Tue, 29 Nov 2005 19:16:23 +0000

I have MenuMeters on all of our machines which is great for overview monitoring what is happening on the network. If you want to see how this new tuner is affecting things, put MenuMeters on, get to know how the numbers work in the menu graph over a few hours or days and then _after_ that do the install of the tuner and see how it changes things. This does not show you the latency but you do get a very good feel for the connection over time as you load web pages, mail, downloads, stream radio, etc.

By: The Apple Blog » Apple Broadband Tuner

The Apple Blog » Apple Broadband Tuner — Tue, 29 Nov 2005 08:18:41 +0000

[...] Apple has just released a Broadband Tuner, a simple application that tweaks a few system configuration parameters regarding TCP packet size, to optimize data transfer over connectivity with high latency and high bandwidth. From the Broadband Tuner support page: The Broadband Tuner allows you to take full advantage of very high speed Internet connections that have a high latency (5 Mbps or greater). The installer tweaks some system parameters. [...]

By: pwb

pwb — Tue, 29 Nov 2005 04:59:25 +0000

The uninstaller is in “HD/Library/Receipts”.

By: Om Malik

Om Malik — Tue, 29 Nov 2005 03:43:30 +0000

i installed it hoping to get a better performance from the connections. i am not sure it really did anything for now. hopefully i can figure out a way to uninstall this sucker.

By: Victor Blake

Victor Blake — Tue, 29 Nov 2005 02:06:50 +0000

One other note — visited the Apple web site. 5Mbps is a measure of throughput, not latency. Latency is a measure of time (measured in milliseconds in most cases).

Disappointing that Apple folks (or individual author) couldn’t use the correct term. I believe what they meant to say was that higher data rate (or throughput) connections usually have lower latency. (Which is true that they inversely correlate). This is because the average time to service frame/packet forwarding is decreased, thereby decreasing latency — in higher data rate connections.

By: Victor Blake

Victor Blake — Tue, 29 Nov 2005 02:02:44 +0000

Hmm. These have been around from third parties for a while. Exercise caution though. Increasing the buffer size will also increase jitter — the variation in latency measured over time. Jitter will have a negative impact (read bad) on streaming or real time applications (like Voice) that do not have receive side buffers. There is — after all — a reason for default values … its the average situation problem …

By: Mike Steinbaugh

Mike Steinbaugh — Tue, 29 Nov 2005 01:10:45 +0000

I installed it but can’t find the uninstaller. What is updated on my system, exactly?

By: MacObsession

MacObsession — Tue, 29 Nov 2005 00:53:36 +0000

Apple Broadband Tuner 1.0

I use both an iBook and a ThinkPad at home. Usually, the ThinkPad performs better at Internet access using my broadband connection – whether downloads, P2P (BitTorrent) or just plain web browsing. Apple has released Broadband Tuner 1.0 which tweaks …

By: Dudley

Dudley — Mon, 28 Nov 2005 23:06:02 +0000

Here’s the same thing for Windows users:

http://www.speedguide.net/tcpoptimizer.php

By: Ian Warner

Ian Warner — Mon, 28 Nov 2005 22:52:48 +0000

Good find Om.