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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17 views

Most bandwidth efficient setup for video sharing

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 ...
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0answers
9 views

Can I stream MPEG-4 stream exchange from WiFi enabled Codecs through WIMAX links? [on hold]

I would like to be able to exchange an MPEG-4 stream (SD is 5Mbps and HD is 10 Mbps) with a WiFi enabled camera mounted field MPEG codec unit with a base codec unit. If I secured a dedicated, non ...
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1answer
29 views

What do I need to search for if I want a service like CloudFront [closed]

I am currently on the quest of finding a service like Amazons CloudFront. Here is what I currently got: A distribution in CloudFront (xxxxxxxxx.cloudfront.net) pointing to the origin example.com ...
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1answer
8 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 ...
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0answers
15 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 ...
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0answers
210 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: ...
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0answers
117 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 ...
3
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2answers
196 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 ...
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1answer
72 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 ...
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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
41 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 ...
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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 ...
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165 views

Cloudfront - How to invalidate objects in a distribution that was transformed from secured to public?

The setting I have an Amazon Cloudfront distribution that was originally set as secured. Objects in this distribution required a URL signing. For example, a valid URL used to be of the following ...
0
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1answer
77 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 ...
0
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1answer
238 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). ...
1
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1answer
56 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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0answers
257 views

Azure CDN '502 - Bad gateway' over HTTPS

I have Azure CDN targeting to a cloud service and it has worked for months but from last weekend it fails with '502 - Bad gateway' on HTTPS. If I request source directly (using cloud service name) ...
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3answers
556 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
46 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 ...
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1answer
1k views

Google Cloud Storage vs Amazone S3 + Cloudfront? [closed]

So I am building a web service which is going to be hosting files up to 500mb in size, and am finished with the coding and now deciding on hosting. I see that Amazon Web Services is very popular, but ...
3
votes
1answer
317 views

How to do 'naked domain aliasing' like DNS hosts that support it?

My goal is to use GitHub Pages and also benefit from their CDN, without having to use a third-party DNS host that supports DNS ALIAS record types (or ANAME - neither are accepted standards). I want to ...
1
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1answer
143 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
56 views

AWS: In what situations would you NOT want to put your entire domain in front of a CloudFront distribution?

Given the relatively recent support for POST/PUT/etc. (http://aws.amazon.com/about-aws/whats-new/2013/10/15/amazon-cloudfront-now-supports-put-post-and-other-http-methods/), if you don’t require any ...
2
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0answers
187 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 ...
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1answer
711 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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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
294 views

How to host a Wordpress site on multiple servers due to geographical siteload issues?

Wordpress website is currently hosted in the US, this is where 40% of our target audience is. The rest of visitors are coming form Middle east, Australia, Russia, China, Singapore, UK, Switzerland, ...
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1answer
240 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
2k views

Nginx Rewrite - How to redirect url for certain file type?

My current bargain CDN has very poor performance on video caching. What's worse, I don't have any access to its setting. So I am wondering is it possible to rewrite the url for certain file type to ...
4
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1answer
354 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 ...
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2answers
377 views

How long does azure cdn live before updating

I am using the windows Azure CDN, And not like Amazon's one cannot configure any TTL regarding the files, I was wondering if there is any official document microsoft had regarding to the ...
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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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2answers
251 views

What amount of effort and money should one invest against DDoS threats? [closed]

Typically, when you invest money to protect yourself against some possible threat, you should take into account two factors: the probability (p) of the problem actually happening how much money (m) ...
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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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1answer
279 views

Chrome not caching CloudFront video/audio; CloudFront delivers http 1.0 headers

With the following response header: HTTP/1.0 200 OK Content-Type: video/mp4 Content-Length: 3294545 Connection: keep-alive Date: Thu, 30 May 2013 21:17:34 GMT x-amz-meta-s3cmd-attrs: ...
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2answers
75 views

Does offloading files to faster servers ruin site performance? [closed]

With a decent server and HTML on it, will offloading the CSS/JS/Images to another, faster server ruin the performance? I was thinking about sending, say www.domain.net => main, decent server ...
3
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1answer
2k views

How secure is CloudFlare's basic SSL

CloudFlare's basic SSL package provides SSL encryption for you site, but only between your customer's browser, and the CloudFlare server where SSL is terminated. The connection between CloudFlare and ...
0
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2answers
572 views

HTTPS CNAME setup for CDN

Background I need to host some files on our CDN (edgecast) which will be available over HTTPS. I would usually accomplish this by using the provided CDN url, i.e. https://wav22.233d.edgecast.com/.... ...
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1answer
336 views

Check whether CDN is working or not

Is there any way to find whether the static content is being served by CDN or not. Using curl, can i find whether the static file is being served by CDN or by the webserver.
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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 ...
0
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2answers
81 views

How to return no answer with nginx?

I use nginx with Incapsula CDN and need to cleanly block all another requests in nginx's server {} context (for certain domain names, but not for all nginx's connections). Best practice in my opinion ...
1
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3answers
332 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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2answers
461 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 ...
1
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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 ...
2
votes
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 ...
0
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1answer
541 views

gzip_http_version set to 1.0 but sends 1.1

I am trying to set Amazon CloudFront up with Nginx using W3 Total Cache and WordPress multisite. CloudFront only works with http 1.0 so, I read that you need to change the http version in gzip to 1.0. ...
0
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1answer
85 views

CDN that pulls content from 3xx redirect target?

Storing data in Amazon's S3. Some of the data is for public viewing, and some is for private. I'd rather have everything in S3 marked as private, and enforce viewing constraints through my web app. ...
0
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1answer
277 views

Suggest CDN with Byte-Range requests support for streaming [closed]

I'm trying to find high load solution for streaming server. The idea came to me this morning. What about CDN or cloud storage with byte-range support. Basically flash player require only partial ...
5
votes
2answers
636 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 ...
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2answers
98 views

Global DNS loadbalancing [closed]

Is it that the DNS queries from a particular region goes to DNS servers located nearest? How DNS servers are made aware of the geographical location of requesting IP address? Is that how the CDN ...