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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484 views

How can you use gzip for static website content served by a Content Delivery Network? Does it improve page load times?

I'm serving up most of my static media from a CDN for my website. This includes images, videos, javascript files, and CSS files. YSlow and Google's Performance tool tell me that I should be gzip'ing ...
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2answers
199 views

Using Redirect for an SSL CDN to have a Custom Domain

We're looking to move our website/app assets to a CDN. The problem is, our CDN doesn't offer custom domain names with SSL. In other words, for SSL they offer https://1234.cdn.hostingcompany.com but ...
2
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1answer
83 views

static big files and a way to serve them securely (central authentication CDN)

I need to serve few static big files(about 4GB each) to several users, using 5 servers that are in different geographical regions. The idea is that nobody else gets the content as there's ...
2
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2answers
183 views

Can a CDN (specifically CloudFront) stampede its origin server after a miss?

Similar to how a memcache server can stampede a db after a missed hit. Should I ever expect high traffic from my CDN(s)?
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3answers
614 views

Simplecdn alternatives for progressive streaming

I´m looking for a CDN to host my videos, but I need the ability to progressively stream from them (currently not available at simplecdn).
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0answers
27 views

Most bandwidth efficient setup for video sharing [on hold]

I built a video sharing platform for a popular french podcast I contribute to. Initially I used S3 and linked directly to it, bad idea. Then I used a pull CDN to better optimize my bandwidth, but s3 ...
2
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0answers
188 views

Is it possible to configure a CDN so that it will step out of the way for a subset of regional IPs?

We have a website which targets customers in China, both expat and local Chinese. We have an ICP license which allows us to host in a datacenter inside China. Internet in China is actually as fast as ...
2
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0answers
411 views

High latency on domain with CDN

High latency on domain with CDN I have problems with latency on my server, these are the tests I made with blitz.io Latency album http://imgur.com/a/bCmwo I would uploaded images here but it ...
2
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3answers
594 views

How do I configure an SSL only site, in a way that doesn't affect browser connection limits

The Yahoo Developer Best Practices recommend using multiple hosts (host1.company.com, host2.company.com, etc..) as a way of overcoming a webbrowsers built in limitation of only issuing two concurrent ...
2
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1answer
114 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 ...
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3answers
333 views

Why Not Serve an Entire Site from a CDN? [closed]

Normally when I hear about CDNs and how great they are, they're usually talking about serving a site's static content, like images, CSS, JS, and video. But if CDNs are so great, why don't we run ...
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5answers
194 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 ...
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3answers
869 views

CDN for caching REST api

I am doing some research on CDN providers, however I have a hard time finding out which ones are available, what exactly they offer, and if they are appropriate for my purpose. Hopefully you guys can ...
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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 ...
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1answer
419 views

Serving http content files locally instead of off external servers

When building our web pages from different content sources, it may be necessary to get some images from external servers (e.g. when incorporating a rss feed), which may not be as fast or as well ...
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3answers
304 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 ...
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7answers
2k views

Inexpensive CDN with Origin/Pull services? [closed]

Does anyone know of an inexpensive CDN which offers origin/pull services? I've looked into Cachefly, they look great but don't provide this service for less than $1k unfornuately. If you know of an ...
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3answers
385 views

Use different dns servers for CDNs

Back when google first released their 8.8.8.8 and 8.8.4.4 dns servers I did some profiling, and they are way faster for our location. A more recent test confirms this is still the case. However, after ...
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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 ...
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3answers
246 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 ...
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1answer
54 views

CDNs - is there a delay between file submission and availability?

I've never subscribed to a CDN before, and was hoping someone could share their experience. My question is: Is there a significant delay between a file being submitted via a CDN (via API), and it's ...
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2answers
163 views

Does creating a new CNAME replace the old?

I have a CNAME record: cdn.example.com. IN CNAME examp.vo.llnwd.net which was registered through Limelight. Do I need to go back to Limelight release this record? Or if I just generate a new ...
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3answers
212 views

Are there CDN for streaming video content with custom configuration of media servers

My company currently is using CloudFront as Content Distribution Network. But recently we need some additional configuration to the media server they are using for streaming our video content. But... ...
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2answers
208 views

Updateing files on Amazon’s CDN

is there any way to update files stored on Amazon's CDN service? Seems like it won't take any update of a file we make (eg. removing the file and storing the new one with the same file name as ...
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1answer
716 views

Whole-site delivery on CloudFront

After much searching, I can't seem to find the question to whether it's viable to cache my entire website in Cloudfront. (Static assets as well as the HTML returned on a dynamic request). The Setup ...
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1answer
98 views

using a CDN on the same location as server

One of the purpose of a CDN is to distribute your static assets in an area closest to your user. So say my server is at location X and most of my users will be at Y. However the closest CDN server to ...
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2answers
122 views

load balancing and port speed/bandwidth

help me understand something about load balancing. Let's pretend we have one server as frontend and three servers as backend. All are hosted in the same datacenter using a local connectivity. ...
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1answer
481 views

Preload/Prime Amazon Cloud Front CDN before move.

I am changing CDNs and I would like to preload some content to AWS Cloud Front so that my origin server is not hammered during that transition. Any tips?
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2answers
960 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 ...
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1answer
242 views

Reverse HTTP proxy as CDN origin server, how to handle last modified since?

I'm trying to set up redundant origin servers for a CDN that will deliver on demand video files. The current setup is that I have two "media" servers that have a large storage capacity and are running ...
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1answer
635 views

Configuring htaccess file for self hosted CDN

I am trying to set up a self hosted cdn for my site, but I am having problems with the rules in the htaccess file and I can't get it to work. At the moment the ftp server that will act as CDN has the ...
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1answer
2k views

Can I resolve DNS based on the calling clients source IP?

Given a Windows 2008 or 2008 R2 DNS Server and a well known list of internal subnets, can I resolve DNS entries different based on the IP of the calling client? Essentially, poor man's CDN where I ...
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1answer
46 views

Amazon S3 preprocess request

Is there any way to preprocess Amazon S3 request by executing some logic in some programming logic (e. g. if I need to restrict access to resources by some dynamic condition)?
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4answers
609 views

Rackspace Cloud Files - limiting possible connections

We have a plan to create a new section to our website - one that will feature HTML5 video. During the initial tests we've done, HD video encoded with Zencoder and stored on Rackspace Cloud Files and ...
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1answer
270 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 ...
1
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1answer
165 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 ...
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2answers
587 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 ...
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1answer
171 views

Media Server Stack

What would be, software wise, a good Stack to use for a media server, considering the Ubuntu OS (8.10 up)? This is supposed to serve large QuickTime video files (.mov) with > 100Mb in average. We ...
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0answers
81 views

How to use an origin-pull CDN with external CNAMEs?

I have a particular issue that I'm struggling with regarding setting up a CDN. To describe our situation: We are running an ASP.NET based CMS(DotNetNuke), configured with two different web heads on ...
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1answer
57 views

Running a database heavy webapp in the UK and Aus server setup

I am running a webapp from a uk datacenter. Speed is fine as expected. The webapp relies heavily on a database. I would like to open the webapp to Australia and New Zealand but maintain good response ...
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1answer
144 views

Amazon CloudFront Synchronization

I want to leverage Amazon CloudFront to "cache" my webserver such that my website stays up even if my webserver goes down. I understand CloudFront has many edge servers that facilitate the ...
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1answer
656 views

htaccess - How to allow access only to static files for specific domain

The idea is to serve js,css, img files using different domains so I created following domains: css.mydomain.com js.mydomain.com img.mydomain.com The main site URL is www.mydomain.com. When I ...
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0answers
453 views

Testing image load times CDN vs Nginx server

We have been running a website that contains quite large image gallery. We started growing and we need a new place to keep our images. So I started looking and testing. For testing purposes I created ...
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1answer
136 views

Test site speed

I am test driving an Akmai CDN architecture and before committing to buy, I would like to gauge the real performance gain from the acceleration feature. What would be the best MO for doing speed ...
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1answer
279 views

Using CDN to serve images folder for PHP/Apache website

I have a PHP5/Apache2/MySQL website. Now in the folder structure under root I have an root\images folder that just has images. I also have a root\skin\images folder again has only images. If I wanted ...
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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 ...
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3answers
566 views

How to block CloudFront or other CDN to access my website

Some guys create a CloudFront CDN to proxy my site, so people can access my website using url like df03039lsls933.cloudfront.net instead of www.example.com How to block this using nginx? From ...
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2answers
69 views

Backup files served on a cdn

I am thinking about using a CDN to serve my static files, rackspace cloud files to be exact. I am wondering is it normal to backup these files? Is there even a way to back them up?
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3answers
668 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 ...
0
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2answers
47 views

Do I need CDN if I am target to small region?

I have website which is targeting to small geografical area, the bigest CDN companies don't even have CDN servers close to this area. I am wondering will I get any benefit to use CDN, becouse main ...