Concepts of RSP
Explaining the terms and components in the remote SIM provisioning world.

Terms

Here is a short overview of some of the abbreviations used in this documentation.
Abbreviation
Description
UICC
Universal Integrated Circuit Card a.k.a Sim card
eUICC
Embedded UICC
EID
eUICC-ID
ICCID
Integrated Circuit Card ID
MNO
Mobile Network Operator
SM-SR
Subscription Manager Secure Routing. This entity securely delivers the encrypted operator credentials to the SIM and then, once the credentials are installed, remotely manages the SIM thereafter (enable, disable and delete the credentials as necessary during the product’s lifetime).
SM-DP
Subscription Manager Data Preparation. This is the entity which operators use to securely encrypt their operator credentials ready for over the air installation within the SIM.
ISD-R
Issuer Security Domain Root
RPS
Remote Provisioning Specification
mTLS
Mutual TLS authentication

Architecture

The picture below shows the standard RSP architecture as taken from the specifications document:
Source: https://www.gsma.com/newsroom/resources/sgp-02-v3-2-remote-provisioning-architecture-for-embedded-uicc-technical-specification/

How the RSP Gateway is positioned

The KPN RSP Gateway is a gateway to KPN's ES2 and ES4 interfaces, to allow you to control your own SIM cards and virtual profiles.