February 2018
Beginner
290 pages
7h 28m
English
Content preview from Hybrid Cloud for Architects
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Global load balancing
This is normally done by DNS resolution. For example, if I request mail.google.com from India, the global load balancer will resolve the IP address of a server which is closer to the region (geolocation), and if the India region goes down, then the DNS will resolve to an alternate site, say the USA.
There are two major ways this is configured:
- DNS Anycast
- Geolocation-based DNS
In anycast mode, the DNS requests using BGP for the same IP address to be routed to different DNS servers, which can have different IP addresses. In the second mode, based on the location of the IP address from which the DNS request is being made, the responses can be different.
Now pair this with the DNS server's ability to monitor the availability ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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