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RESEARCH 》 CDN Content Delivery Networks - Types

Internet based CDN: Internet based CDN the CDN Services provider will place 100s of CDN caching nodes across the internet (usually in ISPs), and serving the end-user content requests directly from these CDN nodes instead from the main origin web-server(s) of the website.

Private CDN: There can be multiple types of CDN infrastructure, such as CDN service provider Networks/Infrastructure (discussed mostly so far) where end-users or customers rent their infrastructure via their paid services. And in another case a company can build their own company’s proprietary private CDN infrastructure where a company builds it and uses for their own services (for example infrastructure of Google), then a hybrid of both where there can be an interconnected CDN service provider’s network and proprietary CDN.

Sometimes these private CDN Networks can be built from scratch from their own built from scratch tools and infrastructure, and sometimes they can use other third-party tools and platform to build the same. In either case, simply put private CDN is the private built CDN built for the purpose of its own firm. It is not a CDN service provider infrastructure.

The main advantages of private CDN is the data security. Since it is 100% private infrastructure, the data and all the resources are available in the company’s owned machines. Hence sometimes depending on the requirement where there is huge traffic and also a need to highly secure this data, sometimes it is necessary to build an organization’s own private CDN either with technology built by them, or either buying CDN building tools from third party CDN Software/tool vendors. Hence sometimes any CDN Service provider, can also build these tools/software/hardware and so on, and can sell to their customers to enable them to build their own 100% private CDN infrastructure.

Peer-to-Peer (P2P) CDN: We know Peer-to-peer (P2P) technology is widely used in bulk file downloads via torrents. Unfortunately most people often relate P2P with respect to illegal data/file sharing. These days more and more large software downloads are available via P2P technology. This even includes several official ISO Linux Distribution Download formats.

So a CDN based on peer-to-peer (P2P) technology can be built to achieve this goal. Services like Napster, and the infamous Pirate Bay and so on, made headlines after being sued by major recording industry and movie industry corporations that claimed the file sharing services violated their copyright. Nevertheless, the technology itself is legal and very useful for practical file distribution and in this case as a core CDN objective (such as load-sharing, content distribution, redundancy, and so on). So even large companies like AT&T to non-profit university libraries rely on P2P content distribution.

P2P itself is not one type of technology but rather refers to several types of protocols, including Gnutella, BitTorrent, and and FastTrack protocols. CDN Networks can use P2P to distribute a website’s content without needing to cache the content on other dedicated servers (as in the case of traditional Internet based CDN scenario). Instead, the users accessing the site share in the distribution of the content, without any adverse effects on their experiences.

Because a P2P CDN requires less power and hardware from the CDN service itself, many P2P CDNs offer their services for free. Websites that want to participate usually need to append the service’s URL to their content URLs or add certain code to their websites.

How to check a website using CDN? If you are looking ways to find a website is using a CDN, you can follow this guide HERE. This way you can know if the website is using any CDN service and its corresponding CDN vendor(s) providing the subscription(s) services.



Suggested Topics:


Generic CDN


Building my own CDN

💎 TOFFEE-MOCHA new bootable ISO: Download
💎 TOFFEE Data-Center Big picture and Overview: Download PDF


Tópicos recomendados:

Introducing TrueBench - a high resolution CPU benchmarking system ↗
Saturday' 13-Mar-2021
TrueBench is an unique open-source benchmarking system in which the core system performance and efficiency parameters are measured at extreme high resolution in the order of several million/billion µ-seconds for a given specific task. TrueBench is a part of The TOFFEE Project research. With TrueBench Raspberry Pi 3, Raspberry Pi 2B, Raspberry Pi 2 and other embedded SoC devices are benchmarked and you can do a comparative analysis with standard mainstream x86 devices.

TOFFEE deployment topology guide ↗
Saturday' 13-Mar-2021
Assume you have two sites (such as Site-A and Site-B) connected via slow/critical WAN link as shown below. You can optimize this link by saving the bandwidth as well possibly improve the speed. However, the WAN speed can be optimized only if the WAN link speeds are below that of the processing latency of your TOFFEE installed hardware. Assume your WAN link is 12Mbps, and assume the maximum WAN optimization speed/capacity of Raspberry Pi is 20Mbps, then your link will get speed optimization too. And in another case, assume your WAN link is 50Mbps, then using the Raspberry Pi as WAN Optimization device will actually increase the latency (i.e slows the WAN link). But in all the cases the bandwidth savings should be the same irrespective of the WAN link speed. In other words, if you want to cut down the WAN link costs via this WAN Optimization set up, you can always get it since it reduces the overall bandwidth in almost all the cases (including encrypted and pre-compressed data).

YouTube Video Network Traffic Optimization - WAN Optimization Demo ↗
Saturday' 13-Mar-2021

TOFFEE-DataCenter Download :: TOFFEE-DATACENTER-1.2.2-1-portable ↗
Saturday' 13-Mar-2021

Introducing TOFFEE-DataCenter ↗
Saturday' 13-Mar-2021
TOFFEE TOFFEE Data-Center is specifically meant for Data Center, Cluster Computing, HPC applications. TOFFEE is built in Linux Kernel core. This makes it inflexible to adapt according to the hardware configuration. It does sequential packet processing and does not scale up well in large multi-core CPU based systems (such as Intel Xeon servers, Core i7 Extreme Desktop systems,etc). Apart from this since it is kernel based, if there is an issue in kernel, it may crash entire system. This becomes a challenge for any carrier grade equipment (CGE) hardware build.

My Lab Battery Purchase and Service logs for Research ↗
Saturday' 13-Mar-2021
Here is a complete log of my lab battery purchase, service record which I maintain in Google drive. These I use for my home (or my family generic use) as well as a part of my home lab. I maintain a detailed log this way to monitor the failure rate of these batteries. This will allow me to select a specific brand/model which has higher success rate and to monitor any premature failure/expiry. The service log helps me to monitor and schedule the next service routine so that I can maintain these batteries in tip-top condition.



How to check a website using CDN ? ↗
Saturday' 13-Mar-2021

Benchmark Raspberry Pi and other embedded SoC with TrueBench ↗
Saturday' 13-Mar-2021
TrueBench is an unique open-source benchmarking system in which the core system performance and efficiency parameters are measured at extreme high resolution in the order of several million/billion µ-seconds for a given specific task. TrueBench is a part of The TOFFEE Project research. With TrueBench Raspberry Pi 3, Raspberry Pi 2B and Raspberry Pi 2 are benchmarked and you can do a comparative analysis with standard mainstream x86 devices.

TOFFEE-Mocha WAN Emulation software development - Update: 1-July-2016 ↗
Saturday' 13-Mar-2021
Today I got a feature request from Jonathan Withers. Jonathan is from a company called MultiWave Australia. He said he is able to get the TOFFEE-Mocha Raspberry Pi setup up and with that he is able to emulate geostationary satellite link. But he requested me is there a way to extend the constant packet delay from 40mS to 500mS. So as a part of his request I supported the same in the current ongoing development version of TOFFEE-Mocha.

TOFFEE-Mocha WAN Emulation software development - Update: 19-July-2016 ↗
Saturday' 13-Mar-2021
Today I refined the first page consolidated report graphs. TOFFEE-Mocha (unlike TOFFEE) is a WAN Emulator, so the graphs are supposed to highlight this purpose and should display the overall network activity. Unlike TOFFEE, the TOFFEE-Mocha report should contain in general what is received versus what is sent across the wire. In case if the packet drop feature is enabled, you should see few missing bytes and packets. Similarly in future I may support packet duplication feature, in that case you may see more packets/bytes sent versus the packets/bytes actually received.



Featured Educational Video:
Assista no Youtube - [1836//1] x257 tp-link UE300 Linux Kernel Realtek Driver Codewalk rtl8153a-3 r8152 USB 3.0 to Gigabit - Part1 ↗

WAN Optimization iPhone and Android - Mobile App ↗
Saturday' 13-Mar-2021

Skype VOIP Data - WAN Acceleration ↗
Saturday' 13-Mar-2021

Detect and Monitor Failing Harddrive in Linux - My Seagate 500GB HDD Died ↗
Saturday' 13-Mar-2021
My 500GB Seagate Barracuda 7200RPM hard-drive suddenly started making mild clicking noise. I found this happening since morning. I was suspicious that something wrong in this drive and when I opened the Linux Disks app, I can find the cause of this issue. The disk is increasingly getting read errors. Besides I can see various other parameters such as Power-On Hours, Temperature, Head flying hours, etc.

The TOFFEE Project :: TOFFEE-DataCenter :: WAN Optimization ↗
Saturday' 13-Mar-2021
The TOFFEE Project :: TOFFEE-DataCenter :: Linux Open-Source WAN Optimization




TOFFEE-DataCenter WAN Optimization software development - Update: 19-Aug-2016 ↗
Saturday' 13-Mar-2021
This is my next software development update of TOFFEE-DataCenter which I am working since past few weeks. I was very busy in implementing the core TOFFEE-DataCenter components along with prototyping, benchmarking, implementing and testing the same. However today is the first time ever I did a fresh new CLI interface for the upcoming new TOFFEE-DataCenter.



Research :: Optimization of network data (WAN Optimization) at various levels:
Network File level network data WAN Optimization


Learn Linux Systems Software and Kernel Programming:
Linux, Kernel, Networking and Systems-Software online classes [CDN]


Hardware Compression and Decompression Accelerator Cards:
TOFFEE Architecture with Compression and Decompression Accelerator Card


TOFFEE-DataCenter on a Dell Server - Intel Xeon E5645 CPU:
TOFFEE-DataCenter screenshots on a Dual CPU - Intel(R) Xeon(R) CPU E5645 @ 2.40GHz - Dell Server