What are the pros and cons of using MSI and MSP? [closed]

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What are the pros and cons of using MSI and MSP in using them for deployment. I was thinking of automating the deployment of my software using MSI and MSP. I wanted to understand if there is any concerns. And also how feasible is it to use MSP for patch deployment

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For MSI package advantages you can go through this thread: What's the prime advantage to having an MSI installation package?

Regarding MSP patches, they were designed to be applied as patches. If you follow the patching rules, they work perfectly.