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.

learn more… | top users | synonyms

5
votes
4answers
5k views

How to do regional DNS like a CDN does?

I guess this question could be entitiled, how do CDN's work at the DNS level but the real problem I have is that my company has datacenters in three continents and we have to have europe.xxx.com ...
0
votes
0answers
17 views

Cheap shared hosting plus CDN = fast website? [duplicate]

If I have a cheap shared hosting and connect my website to CDN, will it help to increase page load speed to make my website very fast? Let's assume that the website itself has no speed issues and very ...
1
vote
0answers
14 views

Using a Cisco WebVPN with a CDN

We have a set of users who access some of our web applications through WebVPN, however where an application uses resources on a CDN e.g. CSS/JS, the url for the resources is being rewritten by WebVPN ...
8
votes
2answers
559 views

How to redirect users to different servers based on their location?

I have a website which is developed by using ASP.NET and MY DB is MySQL. Currently it hosted in USA Servers. But When I try to access it near India dynamic contents are loading too slowly. It is ...
0
votes
0answers
16 views

How can I find out if the response came from the edge server or the origin (CDN)

Is there a way to find out where the response response came from? From the CDN in Korea or my origin in L.A? Example1: Response headers: Server: Apache Example2: Response headers Server: AkamaiGHost ...
-1
votes
1answer
23 views

Why controls inside update panels took long to update even website integrated with a CDN network? [closed]

I have a website which written by using ASP.NET. I hosted this website in USA ( Kansas city ) with Quad Core Processor and 8Gb RAM( Dedicated Server: 1GBPS Speed Line). Also my website is running ...
1
vote
0answers
55 views

How to fix/troubleshoot AkamaiGHost TCP_Miss and 500 Errors

I have a java application running on a server in South America at the moment, and using Akamai's CDN. When I check the errors, i sometimes get the error: "HTTP/1.1 503 Service Unavailable" and "500 ...
0
votes
1answer
63 views

Is it possible to put http torrent tracker under CDN to prevent DDOS?

I am thinking about setting up torrent tracker on the same dedicated server where torrent related website will be located. I want to do that because my website and tracker will interact with each ...
0
votes
0answers
28 views

Configure pagespeed nginx when used cdn url on html already

I'm using pagespeed for Nginx. I've used AMZ CloudFront and in my website html rendered, the urls are something like: <script type="text/javascript" ...
0
votes
1answer
53 views

Misses in cloudfront CDN

I am a bit new to the world of CDN's. I am also running an internationa site, which we hope will one day have a lot of traffic, but for now trickles in. Site uses a image resizer behind a CDN to serve ...
0
votes
1answer
21 views

Cloudfront: Pulling content from subdomain - serving it on main domain

I'm setting up CloudFront (CF) using third party hosting as the origin. What I want is to have the CF servers act as my own hosting, meaning I don't want to fetch files from the likes of ...
0
votes
1answer
925 views

Azure CDN returning 404 not found for Storage Container Blob endpoints

My Azure CDN does not appear to be correctly mapped to my Storage Container Blob data. Storage I've created a Storage, which is online: Inside is a Storage Container: ...
1
vote
1answer
42 views

nginx no speed limitation for a connection

I have a server with nginx installed on it to serve some files for downloading. I also didn't change default configuration of nginx. Problem is that when I try to download from this server it seems ...
0
votes
1answer
233 views

Does CURL cache requests?

This is a pretty long question, so bear with me. I wanted to stress my Akamai Server logged in from an AWS instance. So, I started running ab benchmark. However, they seemed ridiculously fast to ...
-1
votes
1answer
18 views

How to setup a content repository in Linux? [closed]

I want to setup a server that'll host documents and image files which can be accessed efficiently from other application servers and databases on the same enterprise data center. What are the some of ...
0
votes
1answer
57 views

How does “Cloud Files” from Rackspace know about my CNAME record?

TLDR: when I make this DNS record: whatever.mydomain.com. IN CNAME biglongjibberstring.r89.cf2.rackcdn.com. How does Rackspace know that this random host name I've chosen should go to my Cloud ...
1
vote
1answer
175 views

Media Server Stack [closed]

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 ...
5
votes
2answers
3k 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 ...
-3
votes
1answer
92 views

CDN - find the source IP [closed]

I want to communicate directly with website using CDN (Akamai, CloudFlare, etc.) Anyone knows if is it possible to find the IP address of websites using Akamai? or CloudFlare? I have tried to ping ...
-1
votes
3answers
164 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 ...
2
votes
0answers
38 views

Most bandwidth efficient setup for video sharing [closed]

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 ...
8
votes
5answers
42k 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 ...
0
votes
0answers
33 views

Cloudfront objects being ejected from edge locations too early?

Cloudfront does not guarantee that it will hold an object in it's edge locations for any duration, however, typically, if I set a Cache-Control:public, max-age=31550000, smax-age=31550000 or a ...
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
19 views

Heroku redirect file to serve from CDN

My Heroku backed app is now serving a certain JS file, but due to high rpms I would like to serve it from my CDN. Is it possible to make a redirect from myapp.herokuapp.com/file.js to ...
0
votes
2answers
546 views

Wordpress feed does not update after APC and Cloudflare

I am running a Wordpress site on a Ubuntu server. I installed APC and setup Cloudflare. After that I started having a strange problem with the feed. When I check the feed on the browser, I can see ...
5
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 ...
5
votes
3answers
6k 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
4k 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
3answers
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 ...
0
votes
0answers
163 views

Receiving a CORS header error while loading a font from CDNify

Description I am receiving a few issues loading fonts for my website from my Content Delivery Network (CDNify). When I load my website http://techgroove.net/ (I will refer to this as [link] from here ...
5
votes
2answers
729 views

How can I handle big traffic spikes on my dedicated server?

I have an E-Commerce site, which gains a sudden peak of very high traffic when I turn on different ads campaigns. From this moment on, my current dedicated server (Hostgator, 4GB Memoray, 100mbps ...
3
votes
2answers
228 views

Do CDN providers run their own DNS servers?

In order to have efficient CDN, it needs to direct requests to the server nearest to the requester. How do they do that? Do they run their own DNS server that, when asked to resolve an address, it ...
0
votes
1answer
201 views

Force AWS CloudFront to refresh resources from origin without user requests

I'm deploying a CloudFront distribution for a widely distributed network. I'm using my own server as origin and I've configured the cache expiration to a custom value (say 24 hours). Everything works ...
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. ...
0
votes
2answers
50 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 ...
0
votes
1answer
98 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 ...
13
votes
6answers
3k views

When does a CDN (content delivery network) become worth it?

At what point is it worth adding a CDN (content delivery network) to your website? Does it make sense to use it for a relatively low traffic website that's a web application? The clients are all over ...
1
vote
0answers
108 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 ...
2
votes
2answers
459 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 ...
-1
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
1answer
47 views

Problems accessing my servers - but only from German providers

I'm having a problem that I've been trying to resolve for months to no avail. I have several websites hosted on a dedicated server in the US. Those include http://noduslabs.com ...
0
votes
1answer
368 views

Slow Website Access from China

I just made a wordpress based website for a client that operates in China. The website is being cached completely by W3 Total Cache and served very fast in Europe (where our main server is located). ...
0
votes
1answer
55 views

CDN and TTL on local EC2 files

I Have a file in CDN and I need a local copy of it in all of my EC2 instances. I like to set a TTL on the local copy of 5 minute, and have one of the following: Have it Fetch automatically as soon ...
3
votes
5answers
3k 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 ...
60
votes
11answers
17k views

Multiple data centers and HTTP traffic: DNS Round Robin is the ONLY way to assure instant fail-over?

Multiple A records pointing to the same domain seem to be used almost exclusively to implement DNS Round Robin as a cheap load balancing technique. The usual warning against DNS RR is that it is not ...
4
votes
1answer
434 views

Amazon S3 appears to be blocking cloudflare IP addresses. How do I fix it?

I have static content that is being served by Cloudflare. Cloudflare points to Amazon S3 to pick up the static content and serves it via a CNAME (cdn.mydomain.com). The bucket is setup properly and ...
0
votes
1answer
121 views

Redirect to a CDN

I will like to distribute a javascript file with several of my clients, they have several thousands of unique visits a day on their pages, so my file will be called a lot of times, i don't want that ...
1
vote
1answer
86 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 ...
0
votes
3answers
767 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 ...