| Siebel Financial Services eBusiness Application Integration Guide > Siebel Financial Services eAI Architecture >  Layered Architecture
 The Siebel Financial Services eBusiness Application Integration (eAI) is an extension of the standard Siebel eAI designed to address integration approaches adopted by the vertical industry. It provides a platform for the development of specific connectors for different industry XML standards. Figure 4 illustrates the high-level architecture of Siebel Financial Services eAI and various industry XML connectors. 
Figure 4. High-level architecture of Siebel Financial Services eAI
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