Bandwidth in computing is a measure of how much data can be transferred over a medium in a given amount of time, mostly shown as MBit/s or GBit/s. It is the primary way of classifying the speed of computer networks or data buses.

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Transatlantic ping faster than sending a pixel to the screen?

John Carmack tweeted, I can send an IP packet to Europe faster than I can send a pixel to the screen. How f’d up is that? And if this weren’t John Carmack, I’d file it under “the interwebs being ...
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How can I simulate a slow connection, or limit the bandwidth that Firefox can use?

Is there a way I can simulate various connection speeds from within Firefox? I need to be able to check http://localhost with varying speeds. I know there are standalone applications that can do ...
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9answers
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Is there a good tool for monitoring network activity on Mac OS X?

Is there a good bit of software on Mac OS X that I can use to monitor incoming and outgoing network activity? Nothing too geeky, I just want something simple to use. I'm on version 10.6 (Snow ...
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7answers
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How to throttle bandwidth on a Linux network interface?

Is there a way to constrain the bandwidth on a NIC in linux? I'd like to be able to simulate an arbitrarily slow connection.
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How can I limit bandwidth of other programs?

Is there a way so that I can selectively limit bandwidth of a running process?
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Make rsync use less bandwidth?

I use rsync to backup and synchronize network shares and my computer. I have this figured out. The problem is, when using rsync to transfer files, it uses all the bandwidth it can. I want to cap it's ...
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Is there a way to find out what application using most of bandwidth in Linux?

I'm looking for an utility that could show me how much of a bandwidth each process are using. It should just print the data and exit as I want to feed that list into conky.
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6answers
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Do cabled connections and Wi-Fi “use” the same bandwidth?

My brother likes to play games online on his Xbox. However, because he is far away from the router, he uses our Wi-Fi instead of an Ethernet cable. I, being closer to the router, use an Ethernet cable ...
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How do I measure how much bandwidth Internet Radio hogs?

I was thinking about logging into Pandora at work like I do at home, but I'm concerned about sucking up all of the available bandwidth on the network with something that's not strictly work-related. I ...
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Microsoft Remote Desktop Bandwidth Usage

I am wondering how much bandwidth in terms of bytes sent/received is consumed by a typical remote desktop session. I need to know this because our ISP enforces a cap on monthly bandwidth usage (i.e. ...
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Monitoring Bandwidth Across Multiple Systems in a Home Network

For the past several years, I have been using a simple software bandwidth monitor on my computer to keep track of my monthly bandwidth usage. It has worked fine (more or less; the numbers are slightly ...
12
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7answers
57k views

How can I monitor internet usage in my network?

I need to know which computer is consuming my bandwidth. Is there a tool to do this?
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3k views

Why upload rates are lower than download rates in normal internet connections?

I have used dial-up and/or broadband services from many service providers (in India) and one thing I noted is that the upload bandwidth is lower than the download bandwidth. Is there any reason for ...
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Using multiple USB webcams in Linux

Running more than one USB webcam in Debian/Linux results in the the following error: libv4l2: error turning on stream: No space left on device VIDIOC_STREAMON: No space left on device What ...
11
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2answers
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How to monitor bandwidth use of each device on wifi network

I have in my home a standard Comcast cable internet connection. I have it going from the wall to a cable modem, and from the modem to a late-series Linksys router, which provides wired and wireless ...
10
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10answers
56k views

Netflix streaming: how much bandwidth does it use?

Title more or less says the question. I'm thinking about getting netflix, but want to make sure that our connect is fast enough to watch movies streamed. So: what is the bandwidth used by netflix, ...
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3answers
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Limit Chrome's bandwidth

For web development purposes, I want to be able to throttle the bandwidth Chrome uses, especially for localhost connections. I know that the add-on "Firefox Throttle" does that in Firefox; is there a ...
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4answers
3k views

How can I throttle the bandwidth consumed by Windows Automatic Updates?

We have many Windows XP computers sharing one connection to the internet. These machines are set to download all available automatic updates and then prompt the user to install them. Whenever Patch ...
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24k views

How much bandwith is required to stream 1080p?

I am wondering how much bandwith is required to stream a 1080p movie from for example Youtube. I am aware that there may be things such as compression that come in play here, but can anyone provide a ...
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If I have two internet connections on osx, how can I use both to increase my bandwidth?

I understand that any one connection (such as a non-p2p download) will use just one of the connections, but since most normal activity involves multiple connections at once, I can still in theory ...
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2k views

Options for bandwidth management on a shared internet connection

The premise: Rural location, not many options for high-bandwidth internet connections. The fastest by far is Satellite internet, but it's expensive (both equipment and monthly cost, and has latency ...
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8answers
23k views

What is eating up all my bandwidth?

After upgrading my internet connection from 512kb/s to 1.5Mb/s (and 14GB on-peek/month to 20GB on-peek/month), our download usage has gone through the roof. I have made special effort to be careful ...
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5answers
2k views

Are there any wireless routers that allow bandwidth monitoring and throttling?

Are there any wireless routers that would allow me to see what clients are hogging up bandwidth and that would let me limit them so that they can't grab it all? Both wifi-wise and internet-wise. I ...
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7answers
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Bandwidth monitor for Mac OS X?

This is similar to the question: Does software exist to log all download / upload usage? But, I want to know what options are out there for OS X? This includes Dashboard widgets and standard ...
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5answers
4k views

How do determine how much bandwidth a process is using in Linux

On occasion I see my bandwidth usage using gnome-system-monitor going up to 300kbit/s. I just can't figure out what is causing it. I want to know what process or program in using my network like that? ...
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2answers
4k views

Application bandwidth monitor

Which is the best application bandwidth monitor for my windows machine? Some programs lurking in the background seems to pull up all the bandwidth and constraints my browsing experience. Are there ...
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What can I use to measure the bandwidth a specific Windows application uses?

Ideally, I'd like to hear of an application to show how much bandwidth each application is consuming on my local Windows PC. Alternatively, instructions to use any other application for this purpose. ...
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Increasing network speed on low bandwidth

I'm struggling with the following issue: Given a computer with low-medium CPU/RAM capabilities, and an extremely poor network connection. Poor means here 10-15 kb/s. I would like to do something to ...
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5answers
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Is there a way to find out what app is using most of my bandwidth in windows

I have found several that measures total bandwidth but none that tells me bandwidth per application. Preferably with some history or logging. I'm using Windows Server 2008 R2
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6answers
2k views

what is bandwidth?

this word is confusing me, i know its data rate that a wire can carry, but still i am confused about this concept. please explain it in more understandable form. Any answer in simple words would be ...
6
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3answers
5k views

Can I use a pci-e x16 slot for multple cards?

I have a mini itx pc with only one pci-e x16 slot. There is another old style pci slot. I don't care that much about graphics bandwidth and I'd like to add USB 3.0 support. It's a waste to be using ...
6
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3answers
2k views

how to limit my bandwidth to test mywebsite / applications

I developed an application that uses a website API and I got feedbacks that it freezes for almost 30 seconds, and that is due to their poor bandwidth (5Ko/sec downloading). I have a good internet ...
6
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1answer
3k views

How can I prioritise network bandwidth on a per application basis?

Is there a way in Linux to give a specific application more/less priority for network bandwidth? Something like how nice does for CPU priority. Context: I'm currently on a very low bandwidth ...
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3answers
24k views

How much bandwidth does a T1 typically give?

We're about to move into a new apartment which has a T1 for $35 a month. How much bandwidth does a T1 usually supply? Right now we are with Comcast cable which theoretically gives us 14mb down / 7mb ...
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Bandwidth in frequency to bits/sec

Sometimes I see bandwidth of e.g. ethernet cable mentioned in hertz instead of bits/sec. What does this tells about transmission rate? Can it be converted to bits/sec? For example: If bandwidth of ...
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2answers
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Monitor the bandwidth usage of each computer on a network

I have a Linux box that I would like to use to monitor all bandwidth my network, there are multiple computers all plugged into the network. Is there some way to ARP spoof all the traffic through the ...
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3answers
1k views

A truer gauge of network speed

I was recently setting up a new 1.5MB DSL connection at home. After connecting my computers (wirelessly) to my DSL modem I fired off a broadband speed tester to see if both were delivering the ...
5
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1answer
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Why does one person downloading kill the internet for the rest of the house?

We have 25 megs on the downstream and 2 megs on the upstream. When doing a speed test without anyone downloading (from Usenet, for example), we get the full download and upload. However, if one ...
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How do I split an internet connection into 4 equal connections?

My 4 roomates and I have a problem: One of my roomies is downloading torrents all the time. When somebody need make a call or doing something like you tube or a quiz using the internet conection. The ...
5
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4answers
1k views

Why is iTunes using so much data?

I've been told by my ISP I'm using too much bandwidth so after using Activity Monitor to see that I'm using ~2GB a day I've used the nettop command line utility to work out where. Turns out it's ...
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2answers
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How to keep the bandwidth usage of internet browsing low?

I am using firefox 4. I want keep the bandwidth usage as low as possible when I am browsing the internet? What options do I get? If I disable the option of "load image automatically", will still ...
5
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2answers
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Implications of using many USB web cameras

I'm looking into connecting multiple low resolution USB webcams to a single computer. What implications might this have on performance? How does, for example, four 320x240 cameras fare against a ...
5
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1answer
702 views

Can too many websites open concurrently drain bandwidth

I have approximately anywhere between 80 - 100 tabs open at any given time. I do this because I have a lot of things to read, and often travel without having internet, so by using hibernate can often ...
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2answers
139 views

Going sailing, bandwith $8/MB, plugging in ethernet uses 200kb of data to just start

Hey Everyone - I am going sailing for a year and have an INMARSAT FB150 which translates to about $8/MB for bandwidth "anywhere" on the ocean. I hope to only use about 50-60MB per month or less ...
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3answers
4k views

Wireless router bandwidth with multiple clients

Suppose a wireless router has a bandwidth of 54 Mbps. Does this mean that 2 clients (PC's) that are connected to the router can both transfer data at 54 Mbps simultaneously or will the bandwidth be ...
5
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1answer
755 views

I want to monitor and limit OS X's data transfer while I'm tethering via my iPhone

So, I have an iPhone with Sprint service. They offer a mobile hotspot add-on option. Sprint will offer me 5GB of data transfer under this plan, but then they will charge me extra. Specifically, they ...
5
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3answers
988 views

How do you measure the bandwidth used by a given process after it has completed, on Linux?

Is there a way to get a summary of how much bandwidth a given process used on Linux after the process completes? I do not want a monitor, I want something I can look at after the task has completed.. ...
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CAT-6 Cable: What Speeds Should I Be Expecting?

I've just ran a CAT-6 cable throughout my house. I've terminated both my ends using a CAT-6 patch panel and a CAT-6 keystone jack. I've put two computers on either end (Macbook Pro 13"; I believe ...
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What is the maximum resolution that a Thunderbolt monitor can display?

The new MacBook Pro has a resolution of 2880 by 1800 pixels. I don't know how the GPU is connected to the monitor, but a more important question for me is: if there were standalone Retina displays, ...
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Wifi is slower than Ethernet cable connection?

I configured my new router and noticed that WiFi connection is way slower than Ethernet connection. Ethernet connection giving a download speed of ~60Mbps and upload speed of ~30Mbps while the Wifi ...