Why use ARB over ACE?

Could you please elaborate on the reasons why it might be advisable to opt for ARB instead of ACE? Could you highlight the key advantages and benefits that ARB offers over ACE? Also, could you discuss any potential disadvantages or limitations of ACE that ARB might overcome? Additionally, in terms of cost, efficiency, and overall performance, how does ARB fare compared to ACE? It would be helpful if you could provide some real-world examples or scenarios where ARB might be a more suitable choice than ACE. Thank you for your insights.