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I have a micro instance on Amazon EC2 cloud.

Also the instance is small and it has vary low CPU and EAM usage but it generates a lot of content, so it can be considered like a web server serving small amount of static files (not of a big size) to many clients.

From the technical point of view there is no problems for such instance to handle the load serving many MBs per seconds.

What I'm considered is if there are limitation of bandwidth by Amazon itself. Many VPS service providers limit the bandwidths to lets say 10MB/s, are there such limits at Amazon and if they are what are they?

I couldn't find any reference.

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do you mean MB/s or Mb/s? there is a differance ;) MB/s is MegaByte and Mb/s or Mbits/s. usualy MB/s would be used to describe bandwith. –  t1nt1n Dec 25 '12 at 10:32
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Sorry typo normally Mb/s –  t1nt1n Dec 25 '12 at 16:32
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2 Answers

up vote 7 down vote accepted

Remembered that I had bookmarked a similar post a while back, and Cyberx86 posted an excellent answer with benchmark tests :)

Serverfault answer

Edit

From what ive been able to find on the AWS forums - It doesn't seem like the support ppl from Amazon want's to answer that question. Their advice is to test it with an external source: AWS forum post from 2012

Older posts (post1, post2 refer to transfer speeds in coalition to instance size. The 2nd one mentions that the data was a part of the AWS documentation but later it was replaced with stuff about I/O.

small 250 mbps

large 500 mbps

xlarge 1000 mbps

These numbers seem to fit with the benchmarks you can find on google.

So sadly - I don't think you can find transfer speeds on their site anymore.

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Answer not relevant at all. –  GeekRide Dec 25 '12 at 12:23
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Actually it is very relevant. I just trying to find official resources that define these I/O limits (100Mbs/250Mbs/1Gbs) –  Artyom Dec 25 '12 at 13:49
    
@GeekRide since the question was regarding transfer speeds and there are no longer any official data from the AWS team. I thought benchmarks and answers from the forums would give the best indication of what one could expect. –  Qlue Dec 26 '12 at 11:22
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To expand on this answer i believe that the bandwidth limit is related to the IO performance of the instance. You can see the associated IO performance for each instance here aws.amazon.com/ec2/instance-types. The numbers Qlue posted are equal to what I found last year not sure if they've since changed. The micro instance has a different IO performance than the small servers so I assume its less than 250 mbps. –  bwight Dec 27 '12 at 22:56
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Here's it on their website

http://aws.amazon.com/free/

Data Transfer 15 GB of bandwidth out aggregated across all AWS services*

I run a photo website and we use s3 for all the js/css/images and user's uploaded images and it's actually pretty cheap and they just dropped their prices on it again. If I were you, I'd look into the s3 route and the best part about it is that you can easily turn it into a CDN using cloudfront.

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The person here asked about the limitation on the speed of the bandwidth, not the total amount of bandwidth used. Answer not relevant. –  GeekRide Dec 25 '12 at 12:22
    
yes there is no speed cap but there is a total cap which you can average out per second to get what you can sustain –  Mike Dec 25 '12 at 15:36
    
I am sure there must be a speed cap, though it's a different thing that it's too high that in normal scenario traffic, it doesn't come into picture .. but as I said, Artyom is interested into knowing that itself. –  GeekRide Dec 25 '12 at 15:42
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