A Content Delivery Network is used to distribute data to end users of an Internet service. It is typically used for large scale distribution, and employs caching and numerous edge locations to speed up and reduce the bandwidth requirements of the process.

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2
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2answers
364 views

How do CDNs that don't require url rewriting work?

Will I have to change some DNS settings? If so, what would I have to change? Will they work automatically as long as I set the correct cache-control headers? EDIT: I'm completely new to CDNs and ...
2
votes
1answer
106 views

Are there any CDNs that will automatically edge cache anything you set cache-control headers for?

I'm new to CDNs. I have dynamically generated pages that have a 30 minute expiry on each URL, and I want these to be edge cached. Are there any CDNs that can just act as a proxy cache and when a user ...
1
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2answers
2k views

Google Page Speed message: https://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js (1 hour)

Google Page Speed is telling me to leverage browser caching for only this object: https://ajax.googleapis.com/ajax/libs/jquery/1.6/jquery.min.js (1 hour) As this is being delivered from an external ...
0
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2answers
639 views

CDN architecture - best practises and designs

I am a developer for a website which is heavily reliant on static content such a pictures, videos etc. Our current setup is very simple, we basically have one server acting as our cdn which in turn ...
-1
votes
2answers
669 views

Server performance for high traffic? [closed]

I need to make sure my website is properly optimized (the server, the PHP code, and the MySQL queries) for high traffic. I am getting ready to market my website soon, and expecting a ton of traffic, ...
4
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1answer
3k views

How to set up a private CDN using nginx?

Here is the problem: I have a Linux server in Europe serving a busy Drupal site using nginx+php-fpm, I have another Linux server in the US (where a big portion of my visitors are coming from). The ...
7
votes
4answers
3k views

Should AWS CloudFront *increase* load time for infrequently accessed files?

I am new to CDNs and experimenting with CloudFront. I have set everything up and all appears to be working fine. I can create a static image on a page and access it though my CloudFront distribution. ...
1
vote
2answers
944 views

What are the cheap CDN for Origin Pull? [closed]

I've read several thread around ServerFault about this, but still I am not satisfy with the answer so I post a question here. I need a Origin Pull CDN that support big file (more than 200MB). I don't ...
3
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2answers
2k views

CDN that supports custom SSL over custom domain [closed]

SSL is the biggest problem: S3/Cloudfront doesnt support it. Rackspace CloudFiles just told me they will support it in Q2 2011. MaxCDN told me its $299 setup fee and a $299 monthly fee. Based on ...
3
votes
5answers
2k views

Pointing www to a CDN(Akamai)

Why would someone point(CNAME) www.example.com to a cdn? When I run host on Etsy, I get a [c]$ host www.etsy.com www.etsy.com is an alias for www.etsy.com.edgekey.net. www.etsy.com.edgekey.net is an ...
1
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2answers
54 views

Processing files from a Content Distribution Network problem

From what I understand that CDNs are meant to physically cache your static files in multiple regions closer to your users. However, I've noticed a few websites that when a page is requested from their ...
0
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3answers
639 views

build my own CDN service

I have two servers, both with self domain 1st www.myexample1.com 2nd www.myexample2.com and now I would like to setup CDN of www.myexample1.com to www.myexample2.com but I dont know how setup DNS or ...
-1
votes
3answers
147 views

CDN question - factor bandwidth

I am new to cdn but want an idea of bandwidth use so i can plan budgeting. I am starting a social network and want to use a CDN for static content and user photos. Let's say in total i have 15 ...
4
votes
2answers
680 views

How to compare CDN services?

What are the metrics and their priorities to compare various CDN services?
1
vote
1answer
1k views

May I use CDN for whole website (PHP, Apache, MySQL) or just for images and CSS, JS files?

May I use CDN for whole website (PHP, Apache, MySQL) or just for images and CSS, JS files? What's the best choice > cloud-hosting or dedicated-hosting? Does CDN has that support? Witch hosting you ...
0
votes
3answers
990 views

Serving images from another hostname vs Apache overload for the rewrites

We are trying to improve further the speed of some sites with older HTML in order as well to obtain better SEO results. We have now applied some minify measures, combined html, css etc. We use a small ...
0
votes
2answers
319 views

CDN or seperate site to store static content?

If I understand this correctly, I have two options for static files: Use a CDN and throw all my static files on it. Use a separate domain just to store the static files so users can download it ...
0
votes
1answer
88 views

Hosting a javascript api file for third party sites the way sharethis, uservoice, analytics do it

I'm preparing to launch a service soon which will provide third party websites a widget. The widget requires my javascript file in the website's code. Exactly the same way services like analytics, ...
1
vote
1answer
260 views

Calculate request frequency and bandwidth usage for specific resources (CDN related)

I am currently looking into the viability of using a CDN on my site (~2mill page views per month). However, before looking at the myriad packages available it makes sense to find out exactly what I ...
5
votes
3answers
5k views

Akamai NetStorage vs. Akamai edge service

What's the difference between using Akamai NetStorage vs. Akamai's Edge Service? Below are the concepts that I believe differentiate them but I'd like more details from more experienced people. ...
5
votes
3answers
3k views

Akamai vs smaller CDN for small/medium-size ecommerce traffic? (caching, latency, NetStorage)

The small/medium sized online retail company I work for uses Akamai as our CDN for static images, but I'm wondering whether it might be hurting rather than helping and, if it's suboptimal, what we ...
6
votes
2answers
2k views

Using EC2 as a Cloudfront Origin Server

Amazon has recently added the ability to use any server as an origin server for Cloudfront, removing the original S3 only restriction. My question is- how do I set this up? The AWS web-gui seems to ...
1
vote
3answers
243 views

How to calculate actual gain from CDN?

I'm testing out a new CDN service (http://cloudflare.com), and I'm trying to figure out if it is giving much of a gain. I have a very fast internet connection so I can't see any increase in speed ...
0
votes
2answers
426 views

Is using cloud files worth it? (Or any cdn?)

A little about my website: The front page needs to load fast, and it has a background image The website is an online store with lots of product images How much would it help alleviate the server of ...
5
votes
3answers
2k views

How to Tell Whether a site is using Akamai Networks

I'm trying to understand precisely how Akamai uses DNS lookups to redirect users to proximate servers. As I understand it, the client's browser tries to resolve a DNS name, such as ...
1
vote
3answers
303 views

Is my vision of the ideal CDN wrong?

I know nothing about CDNs, and tomorrow I'm going to start what promises to be a lengthy investigation of them. But I wanted to share my ideal vision of a CDN - which basically maps to the concept of ...
5
votes
3answers
10k views

Firewall rule to allow access to windows updates or other resources on a CDN?

What's the best way to poke a firewall hole in a border firewall to allow windows updates? As far as I can tell, the windows update sites are hosted on a content distribution network that can ...
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votes
2answers
1k views

Adding expire headers to content served from CDN?

I'm using MaxCDN to serve content to my blog using W3 Total Cache. The problem I'm running into when evaluating my site using Google Page Speed and YSlow! is that expire headers are not being sent on ...
0
votes
2answers
205 views

Website on CDN - server switching based on country/geography

Im going to implement CDN, but im still confuse how the CDN recognize where the request come from. for example, I have 2 servers. one in US and one in Japan. when request come from Hong Kong, I want ...
0
votes
1answer
221 views

Can a CDN support streaming?

I operate Grinderschool.com, a poker training site run through video sessions. Our subscribers access our videos via either 1) direct download or 2) streaming access. Currently, we have things set up ...
0
votes
2answers
122 views

Image serving and storage mechanism

My website publishes entertainment news daily. There are many number of images and videos we publish every day through admin panel. Currently the overall folder occupied 20 GB to store videos and ...
2
votes
2answers
536 views

Best way to implement Amazon CloudFront for established website

Some of you may have a solution for this, and I need to hear it. Basically, you have a website, a lot of categories ( games, blog etc ). The idea would be to use Amazon CDN for images, flv's, ...
0
votes
1answer
1k views

Nginx Static Content Server Maxing Out?

I use nginx to serve the static content for a decently busy website of mine. I have the logging disabled, and 4 worker processes enabled with 5,000 connections per worker (which should yield a max ...
0
votes
2answers
525 views

VoxCAST / Voxel CDN experience?

I see Voxel quoting $.10/GB, no monthly commitment. At our traffic level, this is significantly cheaper than I'm getting quoted from more established CDN's (generally .18-.22/GB). Anyone have any ...
2
votes
2answers
85 views

Web host for serving both western and asian users

Are there any hosting companies specialized in serving both European, N+S American and Chinese, Indian, Korean or Japanese users? I am looking for a dedicated or VPS to host a Drupal site, not a CDN. ...
10
votes
2answers
4k views

Using Google's App Engine as CDN for static files

I am planning on moving my static files to Google's App Engine. I was wondering if this is a good idea to do. I have read that is it possible that Google will cache your files on multiple locations, ...
0
votes
1answer
97 views

some european CDNs? [closed]

someone knows some CDN providers in Europe? cause i keep seeing big names like amazon, google, akamai, simplecdn, yahoo in all google searches. does it even matter where the CDN providers are ...
3
votes
3answers
600 views

which CDNs are popular websites using? [closed]

i wonder which CDNs popular websites are using? is there a list giving some more information about this? would be great to have some more insight.
1
vote
1answer
163 views

equivalent to CDN but for dynamical content?

so i know for serving static elements (css, js, images, videos etc) you should use CDN since they are spread out throughout the world. but how could i spread out by apache servers? is there an ...
5
votes
2answers
3k views

CDN vs own apache servers?

i know that CDN is just for static contents. but then i still have to spread out by apache servers to all corners of the world right? so when i have done it, why dont i just set up some dedicated ...
3
votes
1answer
2k views

scalability: when to use CDN?

i've read about CDN but dont know exactly what it is for. lets say i've got an international social network (text and image content), and it's growing in traffic from different countries, do i have ...
2
votes
2answers
3k views

Etag configuration with multiple apache servers or CDN / How does Google do ETags?

I have an application which is served from two apache2 servers and I want to configure the ETags on static content. In the future I would also like to use a CDN. I see that this is supposed to be a ...
11
votes
8answers
1k views

Looking for a recommendation on measuring a high availability app that is using a CDN

I work for a Fortune 500 company that struggles with accurately measuring performance and availability for high availability applications (i.e., apps that are up 99.5% with 5 seconds page to page ...
2
votes
3answers
906 views

Does cloud storage replicate the data over many datacenters if so it means i benefit content delivery network?

Let's assume that i want to use cloud storage service from one of the cloud storage provider, i got X gb structured and unstructured data and i will use this data as my contents of my interactive web ...
0
votes
1answer
396 views

CDN Rerouting on 404 (file not yet in synch with original storage)

Here is the problem. I've setup my app(on EC2) to store uploaded images directly on Amazon S3. I'd like to be able to serve static files(cdn) from my 'home' server so I wrote script that does sync ...
1
vote
2answers
570 views

CDN server blocked in corporate networks

My CDN server is getting blocked on certain corporate networks. I have added my CDN site to most corporate firewall directory to make sure its categorized correctly and not as a parked domain or other ...
3
votes
2answers
751 views

how does CDN routing work

So I know how a CDN works in principal and how it works from a customer's perspective. My question is more about the root of how they work, the routing. My limited knowledge points to just some fancy ...
0
votes
1answer
209 views

Tornado - transferring a file to CDN

I have the nginx upload module handling site uploads, but still need to transfer files (3-20 MB each, let's say) to our CDN, and would rather not delegate that to a background job. what is the best ...
2
votes
1answer
113 views

Hosted file is downloaded damaged by IE

I have a ZIP file hosted via Apache with Akamai as CDN, the problem is when trying to download it with IE (and just IE) it is damaged and I'm unable to open it. Since the problem occurs in other ...
1
vote
5answers
192 views

Copyrighted Materials in Content Delivery Networks

We have a website idea that is related with some specific files. What we will do is to crawl all the web and fetch some specific files, and as you guess, host them in CDNs. Some of the files could be ...