In computer networking and computer science, bandwidth, network bandwidth, data bandwidth, or digital bandwidth is a measure of available or consumed data communication resources expressed in bits/second or multiples of it (kilobits/s, megabits/s etc.).

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What does it mean - to get billed to the 95th percentile at $x.xx per meg?

I got a quote from a colo, saying "I could do 3U, the power and 20 megs burstable to 100 for $250 a month with each additional meg billed to the 95th percentile at 6.50 per meg..so you would ...
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Hardware bandwidth limiter

Really not sure if this is the place to be asking this, but here goes.. Our company has grown exponentially in the last year. As such, our internet connection needs some serious managing and limiting ...
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Need solutions in sharing a 3Mb/768Kbps DSL line to 60+ users and faster bandwidth

Two parts. Part 1: We currently have 2 DSL Lines with 3Mb/768Kbps speeds load balanced for 60+ users. Accessing the Internet is borderline unusable. The simple solution would be to get a faster DSL ...
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Slow internet bandwidth on Network

I know this looks like some of the other questions but they don't seem to have been answered as fully as I hoped. On our network we have a bunch of PC's that are connected to the internet. Now for ...
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How can I limit a users bandwidth in Windows Server 2008 R2 [closed]

We have a user that likes to download movies with torrents in our office and it just kills the overall network performance. Unfortunately we need this user and don't want to confront him directly ...
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Server Hacked + Huge Bandwidth Usage Spike [duplicate]

Possible Duplicate: My server's been hacked EMERGENCY I run a couple of sites on Ubuntu via Rackspace Cloud Server. My site typically uses about 3 GB of outbound bandwidth a day. Today, ...
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Monitor bandwidth over time, excluding certain networks?

I'd like to monitor bandwidth usage of my Linux servers, but there's a catch: traffic between my two servers is not counted against me, only traffic to the internet at large. However, my servers have ...
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minimum required bandwidth for remote database server

I want to build a small warehousing application for my company. We have a central warehouse which distributes to 8 sales points across the country. They insist on an in-house solution. I am thinking ...
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Difference between peer network levels?

What are the differences between the network peer levels? I've seen peer1 2 and 3 tossed around the web and wondered what the differences were. Thanks!
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Determine bandwidth issues for circuit not under our control

Our company is hosting a website out of our office, it hosts the site, some downloads, and a ton of training videos. The server itself is a Poweredge1900, running Web Server 2008 64bit, Dual Quad ...
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Increasing bandwidth with multiple NICs

If I have two NICs in my system and both are connected to different ISP with different IP addresses, can I distribute my network traffic on them to increase my Bandwidth. I have already looked at ...
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How can I calculate the 95-percentile bandwidth usage of a network device?

My provider is billing my bandwidth using the 95-percentile method. I know what it is in principle (take measurements, throw the top 5% away and use the remaining highest as result). The question ...
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632 views

Preventing Amazon S3 Bandwidth Stealing?

I have a Image Hosting Site that is using Amazon S3 as a main source for bandwith and storage. I have a few option here to prevent other sources from stealing my bandwith, but I am hoping there are ...
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Guaranteed international bandwidth solution?

How plausible is it to transfer large amounts of data consistently via the network? For example, is there a way to guarantee a minimum upload speed of 8Mb/sec from various international sites (Hong ...
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3answers
456 views

Calculating bandwidth math

I think I'm having a pretty fundamental problem in calculating bandwidth math. I work in streaming video and I often have clients asking me the famous question: "How many streams can I push at ...
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2k views

Network speed between 2 EC2 instances in VPC

I setup a vpc and launched 3 EC2 instances all in 10.0.0.0/16 subnet. I am wondering how these instances connected to each other, 100mbit, 1000mbit?
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Is there an application to monitor bandwidth usage broken out to the application level for Linux (Ubuntu)?

I'm currently running Ubuntu on several machines and I need to track bandwidth usage per application. Is there a pre-built package or system that will track bandwidth usage and report on that usage ...
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558 views

How much traffic per month would my site need? [closed]

HOW MANY GB OF TRAFFIC IS REQUIRED PER MONTH? Any way to calculate this? Webhosting companies have a limit when ordering, so I need to know... A classifieds website using PHP and MYSQL. MYSQL has ...
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Advantages of Download Managers

I have never administered anything offering enough large downloads to warrant considering an implementation of a 'download manager'. That is, one of those java or .Net applications that manages a big ...
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479 views

Linux Speedtest (or download) capable of 10Gbps

We recently just got some brand new servers from Softlayer out of Dallas 05 that should have 10Gbps connectivity and I'd like to test this claim against a few locations. Does anyone have any good ...
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737 views

Random gigabit bandwidth with my Samba fileserver

I own a personnal Fileserver, build on an AMD X2 platform, with an intel gigabit CT network adapter, running debian 6.0. I've built a raid5 (2To x 3), shared by samba 3.5.6 From my desktop computer ...
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191 views

Can a switch consume bandwidth?

I have a network with a router and a switch. At first my ISP's optical fiber is connected with media converter input port. Than Ethernet cable (output port of Media converter) is connected with the ...
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2answers
511 views

How to measure bandwidth within the last 15 minutes?

I would like to log my bandwidth into a database and find out when my windows server 2003 is being used the most. I want to feed the database with the bandwidth passed from the last feed (let's say ...
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Any freebsd/PfSense realtime bandwidth monitoring tool?

i need to know if there is any Tool (specifically for FreeBSD) , through which i can get the Realtime network traffic usage of any Host/IP , and which should also run on Multiple interfaces as well? i ...
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iperf installation and use

I would like to use iperf to test my WAN bandwidth connection. However, I can't find a good method to install and administer it. I'm a Windows guy and don't know much about Linux, and googling iperf ...
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276 views

Command or utility to measure the amount of traffic generated by an nmap scan

First, just a bit of background: My ISP has decided to block all inbound connections (from their customers' perspective) which effectively means that I can no longer host anything on my connection ...
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354 views

Bandwidth Suggestion

I have been asked to analyze the bandwidth usage of a company and make a recommendation for upgrading their Internet connection(s). Here is the layout 3 DSL lines so it is 3x(6 Down, 1 Up Each) into ...
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Server in country X. Majority of users from country Y. Load times are unacceptable

I've been asked to explore our options. They don't wish to move the server physically because it's a lot of work and there will be no one to take care of things if something really bad happens. ...
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How can I stop one virtual iis site from drowning out all the others?

I have about 20 IIS web sites on one Windows 2003 server. One of the websites is for downloading product updates. What methods/tools are available to me to ensure that the one does not kill the ...
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How to log bandwidth usage for Apache virtual hosts?

I need a way to extract bandwidth usage logs for Apache virtual hosts. I see that a lot of people are recommending AWStats (and similar programs), but I don't need a graphical interface. All I need is ...
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574 views

monitor local network traffic issue

I am using Networking Tab of Windows Task manager to monitor local network traffic to test how much bandwidth my application will use. My scenario is, I will use a local console client application to ...
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What determines the maximum throughput of a Cisco router?

I'm looking at Cisco's documentation on the issue http://www.cisco.com/web/partners/downloads/765/tools/quickreference/routerperformance.pdf and I'm having a hard time getting the numbers to add up. ...
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Loading after a minute

Here is the web site. http://reachourfans.com when i enter the site, it's loading nothing, and after a minute it's beginning loading the site. I've switched off the Update module, and installed it ...
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Configure a Linux router for fair bandwidth allocation without unnecessary limiting it

I run a Linux router (more precisely OpenWRT) on an internet connection with very limited bandwidth, around 1 MBit/s downstream and some dozen kBit/s upstream. There are several machines on the net ...
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Best software defense against a bandwidth SYN spoofing attack

This is a known DDoS attack. The case is about a Windows server 2008 enterprise edition. Under attack peak, server's CPU reaches 60%, 50% of memory is still free and half of network card is utilized ...
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Is it possible to determine the bandwith of a remote server on the internet?

Is it possible to determine a bandwidth estimation of a remote host on the internet. I wish to do a random scan on the internet and determine the more or less the distrbution of network speeds. ...
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limit network bandwith for an ip

for a traffic management app i should limit bandwidth for clients ip addresses that for each ip there are different limit how can use tc-tbf for specific ip address or is any other solution?
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CentOS - massive usage on loopback interface

I have a CentOS installation which is running fairly smoothly. Today I ran ifconfig mainly to see what sort of usage has been coming across the ethernet interface, and to also check my link speed. ...
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Gauge network traffic for each Citrix session

We are currently reviewing the bandwidth of our WAN links. How much bandwidth does a "typical" Citrix session utilize over a WAN link? JFYI - we are using Citrix Program Neighborhood V10 and each ...
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Measuring network performance

On any computer that has a web browser that supports flash, one can use SpeedTest.net as a crude way to measure network performance. It gives tree very important numbers. Ping time, sustained upload ...
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Bandwidth bottleneck on VMWare ESX Virtual Machine

I have 2 loadbalanced apache virtual servers that handle a couple thousand requests per minute, and I am trying to diagnose the bottleneck that is slowing them down. My webservers each have one ...
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Limiting bandwidth dynamically in Squid

In fact my problem is with users who download large files from internet in my network. I have a Squid cache/proxy server in my network that is placed between my network and the Internet. I thought ...
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GigE ethernet switch backplane bandwidth

While looking for a 16- or 24-port gigabit ethernet switch with at least 6 VLANs and port mirroring (packet duplication to a monitoring port), I came up with three candidates (there are more): Cisco ...
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How can I monitor per-user bandwidth on linux?

I'm looking to monitor how much bandwidth different users consume on a server. Effectively, I'm looking for something like UserIPacct (http://ramses.smeyers.be/homepage/useripacct/), where I can get ...
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385 views

Bandwidth throttling software

I need to be able to simulate high bandwidth/high latency/high packet loss on my pc for the purpose of testing the software that I'm writing. I've seen some software that you can install on a ...
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Manage local network Internet usage

I have a LAN with 6 PCs in my office and one Internet connection. I share this internet connection by Windows VPN service.(using windows 2003 on server) But I want more control on users bandwith ...
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29 views

iptables connlimit: exclude multiple IP addresses

I have currently this IPTABLES command: iptables -A INPUT -s ! 192.168.0.2 -p tcp --syn -m connlimit [...] -j DROP As far as I know, such rule limit some number of connections following various ...
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Increase bandwidth per connection on a server

Requirement: I am load testing Rabbit MQ by generating a large number of requests/sec to the server (Server config: 8 core, 16GB). To achieve the above, I am generating load from a client machine at ...
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Reduce outgoing bandwidth in ffmpeg

I have a server in Rackspace with some ffmpeg processes listening to audio streaming. Off course when listening to streamings the incoming network traffic is high, and this is ok. But I noticed that ...
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Can TC limit bandwidth by the Qos field of IP header

We are developing a client/server applications. There are three types of network data in our server app: Realtime data such as those of Video/audio, Critical Data such as those of Database data and ...