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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What's the theoretical latency of 802.11ac?

Inspired by this slide, I became curious to know the (theoretical) latency of the latest WiFi standard. However Google didn't help. This ppt's 8th slide, compares latency of 802.3 (3000 microsecs) ...
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11 views

Multilayer LACP [migrated]

I have a network switch that is limited to 2x1Gb/s LACP teaming, however have a file server with a 4x1Gb/s network interface. What options do I have to aggregate all available bandwidth without ...
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57 views

Mac OS X Yosemite limiting upload bandwidth

I have ADSL internet, and when there is an application uploading to the internet at full speed (e.g. Skype or Chrome during file uploads), the download bandwidth becomes very very slow. I.e. I cannot ...
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13 views

Start task according to bandwith speed?

How I can start task according to my downloading speed "Bandwidth". Lets say I want to start .bat file if my downloading speed didn't exceed 50 KB/s for more than 50 seconds. What tools should I have. ...
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41 views

Will a 10 slot USB3 hub provide full bandwidth for 10 USB2 flash drives, and if not, where is the bottleneck?

I am wondering if a USB3 hub connected to a USB3 motherboard could sustain 10 USB2 flash drives being used simultaneously to transfer data at full bandwidth. Theoretically USB 2 speed is 60 MB/sec ...
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37 views

Bandwidth information from traceroute command

I was wondering: is it possible to calculate bandwidth information from a simple traceroute command? Maybe an approximation using the distance between the nodes could be possible. The reason I am ...
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1answer
42 views

DNS resolution fails while torrents are running

When I turn on torrents, I am unable to use the internet for anything else. This primarily affects my web browsing where the browser fails to resolve hosts. Once torrents are turned off, I am able to ...
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1answer
29 views

Linux RAM throughput statistic for a given PID

How do I find out how fast is a certain process accessing the DRAM? There are lots of ways to monitor the CPU usage, memory footprint etc etc, but is there a utility I can use to monitor the memory ...
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2answers
51 views

Why do the packets intended for other computers on a local network not saturate our bandwidth?

On a Unix or Linux computer we can run the iftop command and monitor the packets of all the other computers on our local network. Why does this not completely saturate the bandwidth of our connection? ...
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14 views

How to share bandwidth among different applications?

Suppose i am running git clone in my terminal and downloading something via firefox, if I would like to limit the bandwidth usage for one of the applications and increase more for another, is there a ...
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41 views

How to setup an efficient badwidth management for home wifi

I plan to share our wifi between 4 roommates and occasional guests and mobile devices. We consume mb differently so the bill will not split evenly. I would like to setup something as follows: When ...
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21 views

Debugging choppy video playback on LAN - Bandwidth measurement

I am using VLC to playback videos stored on a personal NAS. I sometimes experience choppy playback, which I would like to diagnose by measuring with precision what bandwidth is required by the video ...
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28 views

Save bandwidth when tethering

I'm tethering from my phone for a windows-8 computer. I can change the behaviour of gmail so that it will use html and consume less bandwidth. I closed the dropbox process. However, there are many ...
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55 views

How do I calculate bandwidth consumption of 700 users

Id like to know how to properly calculate the consumption of user downloads in a given specified bandwidth. Say, I have 700 users which will simultaneously download an image with file size (300KB). ...
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1answer
31 views

Mirror an ftp site, but create empty files instead of full files to save bandwidth

I want a listing of all files and directories at ftp://ftp.ncbi.nlm.nih.gov/snp/. But I don't want to download the contents of all the files. To save bandwidth, I hoped that wget would have an option ...
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1answer
54 views

limiting svchost.exe because of copping internet good or bad?

I recently came into problem with one of windows's processes called "svchost" I dont know what is used for, but it chops my bandwith to death and increases my ping (i play online) I recently installed ...
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2answers
97 views

Internet slow down after 2-5 minutes Win7 x64 Realtek PCIe FE 8167

I am at my wits end here. I have been fighting this issue for about a few months now with no end in sight. I purchased a new HP Pavilion 17-e180nr with a Realtek PCIe FE 8167 NIC that came with ...
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28 views

Is “looking at an RDP” the same as looking at pictures online? [duplicate]

I've always wondered if using a remote desktop is the same as looking at a series of pictures online. As far as I can tell, the client machine I use to log onto a remote desktop produces (draws) a ...
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2answers
87 views

Intel 10Gbps card bandwidth

I have an Intel 10Gbps card that has the 82599 10GbE Controller. The card has two ports in it. The datasheet of the controller says it supports PCIe 2.0 (2.5 GT/s or 5.0 GT/s) Now, according to PCIe ...
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Location Based Bandwidth Throttling In Live Update?

In Symantec Endpoint Protection 12.1.4 (RU4), we've been having an issue with Live Update smashing the links to our smaller sites. I've done a bit of digging around Symantec's site, but can't figure ...
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89 views

Skype 4.3 uses too much bandwidth for the camera

On Skype 4.2 everything works perfectly, however when I try to video chat with 4.3, once I turn on the camera it will maximize my upstream until it chokes out everything else and eventually ...
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3answers
48 views

Reduce bandwidth usage when web browsing? [closed]

If I have a 1GB tethering allowance per month. Is it possible to somehow compress the websites I visit so they use less bandwidth to reach my screen?
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14 views

Setting global rates in trickled

I try to limit download-upload bandwidth for each users on Debian. trickled -d DOWNLOAD_LIMIT -u UPLOAD_LIMIT is supposed to limit bandwidth completely (according to some articles on Web). But it ...
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1answer
258 views

Quickest way to upload 500 GB to Google Drive

I have about 500GB to upload to to Google Drive. Two questions. What would be the quickest way to do this? The drive app seems slow. Other people have said use CyberDuck but they seem to have ...
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31 views

Wimax bandwith and download speed issue

I have very bad problem in my office. we have medium size network in our office (around 200) pc s with windows xp and they connected directly to a linux samba server. our internet connection is 8Mbsps ...
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23 views

Hosting space for files (Correct way?)

I am developing an app that will download a few files (around 50mb in all) per user. The thing is, I am unsure of where to upload files do this. (and do it legally). These are the features that I ...
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1answer
25 views

How to apply ipfw rules to domains that resolves to multiple IPs?

Suppose I wanted to use ipfw to throttle uploads to youtube. The uploads are made to upload.youtube.com but this domain resolves into multiple different IPs (which also appear to change over time). ...
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1answer
27 views

How to define manual maximum bandwidth for Linksys WRET45GL

I need to study the impact of increase in number of concurrent users on a LAN throughput. The data size is about 500KB and bandwidth is 4Mbps. Here is my questions: Can I do it in real testbed or ...
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2answers
50 views

Unidentified network activity bursts on my computer

I have been experiencing this issue for some time now (maybe 1-2 months), and didn't know if it was something from my ISP or my computer, but I have sudden burst of network activity happening in the ...
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1answer
44 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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2answers
102 views

Effective bandwidth for SMB/SSH file transfers over a wireless/ethernet network

I have a Windows (7) machine A connected by 802.11n to a router, and from there via Ethernet 100Mbps to a Linux machine B running SMB and SSH services. I'm copying a large file from B to A, using the ...
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1answer
41 views

Does using more memory slots equal better bandwidth?

I am thinking of buying a Mac Pro, and I am wondering about the various memory configurations. It can be had with 3x4GB, 4x4GB, 4x8GB or 4x16GB. 3x4GB seems like a weird configuration. I thought DDR ...
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3answers
193 views

How to use full bandwidth available?

I'm working on a new kind of proxy server using node.js. With cluster module I'm able to fork the process (which are double the number of cores). The server configuration is 8GB RAM, 8 core Intel ...
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27 views

Sporadic brief yet massive drops in bandwidth

One office internet connection I use regularly has decent average bandwidth (around 40M up/40M down typically). However, it commonly has brief drops in bandwidth. These typically last for 0.5-5 ...
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2answers
95 views

Why always Internet speed is divided?

Whenever I ask for the slow internet speed. My ISP always dividing speed of internet by 8 ! I could not understand why ?
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107 views

How to limit internet speed for differenet users

I am using windows 8 , I have two users, one is administrator account and another is guest account. I am using a dial-up connection and sometimes a wifi connection. I want to limit the internet speed ...
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1answer
20 views

Determine maximum network throughput?

Is there a concrete way to determine the maximum throughput of a network? Wikipedia gives the following formula Throughput <= RWIN/RTT where RWIN is TCP received and RTT is TCP round trip time. ...
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1answer
225 views

How to get the bandwidth usages in my WIFI including from mobile devices [duplicate]

I have set up a wireless network(Binatone router) for my home.I have 3 laptop usages and two mobile usages,out which which one is iphone and other is android.I want to know how much bandwidth each and ...
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1answer
61 views

Is DSL upload speed shared among subscribers locally? [closed]

I have a feeling that my DSL provider is lying to me, but I cannot find a technical rebuttal online. Can someone tell me if the following makes sense: I have ADSL which is supposedly "up to" 16,000 ...
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3answers
451 views

How to get current bandwidth usage from command line using built-in Linux tools?

I'm looking for a good way to get the current total bandwidth usage on a linux machine. I’ve tried iftop, nethogs, but they don’t show real bandwidth usage compared to system monitor; they don’t suit ...
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208 views

ADSL Modulation Setting for better speed

At home, I am still stuck with ADSL broadband connection. Recently I upgraded to 8mbps plan, and purchased a new DLink ADSL modem, and set it up. It's working fine, but the connection speed seems to ...
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60 views

VLC streaming upload buffer

I'm trying to stream a Variable bitrate stream over the internet: Video is Variable between 8-10MBit Audio is Constant @ 256KBit My upload at home is a steady 10Mbit. The downstream of the place ...
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27 views

ISP speed limit not functioning correct … how to replicate on purpose?

I recently moved to Jordan and the internet is not the greatest but i got my self an internet plan with 50gigs of bandwidth with a 10migs download speed. once i spend all my bandwith i still have ...
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1answer
401 views

Does Steam hog bandwidth or is it displaying incorrectly?

I'm currently downloading a game on steam. It's painfully slow, and it's probably going to take around 9 hours. What I don't understand however is the fact that steam is download at around 410kbps, ...
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1answer
58 views

Can I reduce my browser to 'bare bones' network activitiy?

I quite often tether my mac though my phone and obviously this results in less bandwidth being available. Is it possible to have a browser set up to use the smallest possible amount of bandwidth? ...
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68 views

Properly throttle bandwidth per user

To be clear from the get-go: I did search before asking this question. I've found the following articles: How to throttle bandwidth on a Linux network interface? and Bandwidth Throttle for linux. ...
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2answers
84 views

Do web browsers download faster than your max bandwidth?

Since content is compressed on transmission and uncompressed on the browser, does that make the transfer rate faster than your bandwidth? Or is there another term for this? For example, a 1GB white ...
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1answer
41 views

Application specific browsing two internet connections on same machine

There are 2 situations for which I am looking for a solution I am having 2 internet connections. One is a normal connection in our LAN (Wifi) , another is a USB Device which has internet ...
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1answer
212 views

Limit bandwidth of Apache (XAMPP)

I want to limit the bandwidth available to my XAMPP Apache on Windows 7, so I found something about the module 'mod_bw'. I copied the file ("mod_bw.dll") in the modules directory and added the ...
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1answer
81 views

If a wireless router sends packets all by broadcast and with its full bandwidth, can each connected device receive the same full bandwidth?

If a wireless router sends packets all by broadcast and with its full bandwidth, can each connected device receive the same full bandwidth? The possible scenario is like this: 1) connect one device ...