The
choice of CDN depends on many factors, and the number of PoPs is one of them.
Being the link between users and CDN, PoPs are located in mission-critical
places to bring content to users effectively. Quite often, companies regard the
number of PoPs as indicator of hosting quality. But while PoP itself makes up
for faster loading, its excess is also no good.
When the more PoPs is the better?
Being
the link between users and content, PoPs reduce the distance, make up for load
balancing and better redundancy. As a rule, a large number of PoPs is
beneficial for companies that want to reach global coverage and host
bandwidth-intensive files like videos. If you are going to expand your presence
in new regions, choose CDNs that offers PoPs there. This way, content won’t
have to travel too long
When More PoPs Doesn’t Matter?
Not
every company needs an expensive CDN with hundreds of PoPs and customization
options. If you need presence in a few regions, you only need to choose a
network that has points of presence in these very regions. The closer to
visitors – the better. Extra PoPs in regions you don’t serve won’t make the
difference. A third party CDN, or their combination will be a cost-effective
and reliable option.
These
two factors should be taken into account when evaluating CDN infrastructure.
What matters is the relation to users, not the number of PoPs.
Cash and cache issues
Prior
to ordering a CDN, make sure that it features PoPs only where you need. In most
cases, users overpay for extra servers, because providers usually have them
everywhere. Find a CDN solution that is relevant to your target audience. This
way, you will make sure that every dollar spend is worth: you build up a
reliable and effective network that works for YOUR company.
Most
CDNs are tailored to deliver static files, while dynamic content is hard to
cache, so users are often redirected to the origin server. That limits the
advantages of CDN and causes waste of efforts when CDN always tries to
replicate data over PoPs. Therefore, if you have need acceleration of dynamic
content delivery, choose CDN solutions created especially for that.
Read
more about CDN and PoPs: https://www.jodihost.com/blog/news/is-the-number-of-pops-in-cdn-is-so-important/
Комментариев нет:
Отправить комментарий