The term JSPM stands for Java Support PACKAGE Manager, which is used to apply support packages to software components that have been deployed. JSPM is a useful tool that aids with the INSTALLATION of packages as well as all of their components. SDM is frequently used by JSPM to deploy packages.
On the other side, SDM, which stands for Software Delivery Manager, aids with the import of Java Support Packages. This is also used for both delivering and managing software packages. SAP is alleged to have delivered these items.