Siebel is a SOFTWARE FIRM that design, develop, market and support the PRODUCT of Customer Relationship management. 

This is the company that PRODUCES the CRM applications and provides other functionalities like:

1. Application-Layer Switching: this provides the content distribution of an application within many application servers. It increases the overall performance of the application and the system. The traffic distribution can handle the increased demands of the client. 
2. TCP/IP MULTIPLEXING and Connection Management: allow the reduction to be done in the connections provided through the server. It manages and allows the server to reduce the infrastructure. 
3. Web Compression: it improves the performance of the data that is sent from the server to the client side. The redundant data is removed from the messages that are passed to the clients. 
4. Application Data Caching: it allows the frequently used data to be stored in the cache and server the purpose of increasing the performance on the client side and reduces the load on the servers.

Siebel is a software firm that design, develop, market and support the product of Customer Relationship management. 

This is the company that produces the CRM applications and provides other functionalities like: