Question
WellsFargo
US
Last activity: 1 Nov 2024 9:55 EDT
Constellation - CDN call
For Constellation apps, Pega static JS seems to be downloaded from CDN, which is hosted external to our network in PEGA.
I have few basic question in regards to this
1) Is this like a REST service call behind the scene?
2) is it invoked during Both design and Run time?
2) How often is this invoked- say for every screen load, is this service invoked?
Accepted Solution
Updated: 1 Nov 2024 9:55 EDT
Pegasystems Inc.
US
Hi Gowri,
I have attached a diagram showing the different categories of information used by the client side, and the source of that information for the browser. The diagram is taken from the C11n deployment overview here:https://documents.constellation.pega.io/static/88/introduction.html 1. This is not a REST call. The calls to the Content Delivery Network are very simple http GET to load static fixed js written by Pega. There is no customer content or sensitive information. Every customer gets the same js. A CDN ensures fast and reliable access for browsers worldwide as it has regional cacheing.
2. The C11n js is used in authoring and runtime.
3. The js is cached on the browser after the first load. Our builds have unique hashes, ensuring that the cached content will be replaced on Infinity version update. This is not a service call. A CDN is the standard mechanism for global distribution of readonly fixed content for browsers.
Thanks