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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718 views

Google Analytics setting cookies on static content despite being on entirely separate domain

I recently decided to comply with the YSlow recommendation that static content is hosted on a cookieless domain. As I already use the root of my domain (donaldjenkins.com) to host my website—on which ...
2
votes
2answers
705 views

CloudFront - Users requests static files non-stop to make your bill high?

I had this weird wondering once. If I am using CloudFront as my CDN, I pay per requests made on my static files. So here comes the wondering. Can one keep requesting the same file in a non-stop ...
3
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2answers
2k views

CDN CNAMEs not resolving to customer origin

I have set up an Edgecast CDN to mirror all my static content. Because I use the root of my domain (donaldjenkins.com) to host my main site—using Google Analytics which sets cookies—I've stored the ...
4
votes
1answer
2k views

SSL Cert for custom domain endpoint on Azure CDN

We have some content hosted for our Azure application on the Azure CDN - we can access this nicely over https using the standard endpoint address, however for 'neatness' our customer would like to use ...
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2answers
800 views

Setting up centralized storage (e.g., NAS/SAN) for a SaaS application

I have a SaaS application running on 6+ servers in HPCloud which creates large amounts of data (GB/TB). Users talk to the application through a RESTful api which replies back with a link to our CDN ...
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1answer
48 views

Media Being Hosted In SVN For Web Application [closed]

I have a client who decided to use SVN to host the media files and pulled by a web application for viewing. What are the consequences of this, and wouldn't a better option be to use a NAS or CDN?
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3answers
457 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
208 views

How should I handle static assets when deploying code to different webservers?

Say I have two production webservers (web1 and web2) and a static asset origin server (origin1), and I want to deploy new code that references new css/js/images. After updating web1 and putting it ...
2
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2answers
170 views

What do you do when your site scales so much that uploaded_media can't fit on one machine? [closed]

What do you do when your site scales so much that your uploaded_media (in Django, where all uploaded media files from users is stored) can't fit on one machine? My personal case, I'm using Django and ...
0
votes
1answer
306 views

Cloudflare performance, ddos [closed]

I have been using cloudflare CDN on my website (wordpress) for about 4 months, mostly because I was hoping the CDN would make things faster, and make the load on my cheap server somewhat smaller, ...
3
votes
1answer
680 views

Using amazon S3 as storage for attachments in a web-mail system

I am looking to use S3 as data storage service for a mail system. The idea is to allow users to upload files that serve as attachments to their emails, which are then available to download from the ...
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votes
1answer
872 views

Setting up self hosted CDN

Am building a site that makes a lot of requests for javascript and css files, and I've being reading about CDNs. I have a spare domain name and hosting space which I would like to use host these ...
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1answer
188 views

NGiNX + PHP5-fpm + CDN Tools (plugin)

I am trying to activate the CDN tools plugin and I keep getting the following error: Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 30720 bytes) in ...
2
votes
2answers
216 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)?
2
votes
1answer
665 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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1answer
109 views

Running my own CDN alongside Amazons S3 for nearby visitors

I am running a blog on shared webhosting. The website itself is on the hosting, but my files right now are on Amazons S3 CDN. I have made a bucket lockated in the US, and I have setup a virtual host ...
0
votes
1answer
36 views

HTTP Cacheing To Lessen Cluster Nodes?

I have been looking into using http caching for one of my projects on heroku. The site is serving primarily dynamicish (meaning that the actual contents doesn't change that often) iFrame's and ...
6
votes
1answer
2k views

Akamai / CDN - How much do CDNs like akamai cost? [closed]

I haven't been able to find any numbers related to cost via google or price sheets. How much do these services realistically cost (akamai, limelight, any of them)? Are there any good CDN ...
2
votes
3answers
649 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 ...
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2answers
2k views

Cloudflare hurting performance

I recently set up cloudflare on a new site I'm about to launch. I ran some benchmarks with it on and with it off and the output is extremely troubling. Does this make sense to anyone? Before when ...
1
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1answer
51 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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2answers
179 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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1answer
1k views

Serving index.html and other files via ngnix and CDN (Rackspace Cloud Files)

I would like to serve the index.html file for my domain via a cdn (and a few other static pages). Would it be possible to do this with an Amazon EC2 Instance and Rackspace Cloud Files? I found ...
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3answers
1k 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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3answers
227 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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votes
3answers
486 views

Monitoring CDN from different geographical locations

Recently we had a problem with our CDN service: one of edge locations cached incomplete version of javascript file and our customers from United Arab Emirates (and maybe some other nearby countries) ...
3
votes
5answers
14k views

How to upload files from Amazon EC2 server to S3 bucket?

What is the default way to upload files from a EC2 web server to a S3 bucket for content delivery?
3
votes
1answer
4k views

ISP Point of Presence versus ISP data center and what effect it has on CDN server deployment

I would like to clarify my understanding of the difference between an ISP Point of Presence and an ISP data center. Perhaps more importantly, I'm trying to understand at what kind of granularity each ...
1
vote
4answers
670 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
167 views

Should a well-optimized ad server be able to run fine on a single dedicated server?

This is a completely hypothetical question that myself and a colleague have been wondering/debating about, and we thought some of the knowledgeable people at SF could shed some light. Say, for ...
3
votes
1answer
2k views

CloudFront or other CDN with RTSP streaming?

So I've been bouncing between CDN's trying to optimize our serving solution. We're serving short video clips into our code that display either an html5 video element (MP4 or OGG) or a flash swf (FLV) ...
0
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2answers
163 views

1 user, 1 day, millions of requests for the same file

Help! Here's the scenario: I'm hosting and serving display ads. These consist of some media creatives and some javascript files to assemble and display the ad. The files are hosted on a CDN. We did ...
9
votes
5answers
47k views

How can I verify that an RTMP stream URL is working?

I have been put in charge of setting up a CDN account for streaming video but am not actually running the site that will host the content. How can I test that a published RTMP URL is working? Do I ...
2
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2answers
517 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
118 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 ...
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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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2answers
793 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 ...
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votes
2answers
749 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, ...
5
votes
1answer
4k 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
5k 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. ...
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vote
2answers
992 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
votes
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
4k 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 ...
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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
votes
3answers
827 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 ...
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votes
3answers
169 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
850 views

How to compare CDN services?

What are the metrics and their priorities to compare various CDN services?
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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
1k 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
339 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 ...