一般情况存在大量并发的时候，就会使用Shared Server模式；为了应对更大规模的并发访问，oracle提供了OCM（Oracle Connection Manager）;
Networking Overview
Oracle 9i Network Solutions
- Connectivity
- Directory Services
- Scalability
- Security
- Accessibility
The connections types can be
在安装了oracle server的linux系统中，sqlplus连接oracle server，走的是RPC，进程间通讯；
- Clinet-Server Application
- Java Application
- Web Client Application
Oracle Protocol Support
- TCP/IP
- TCP/IP with SSL
- Named Pipes
- SDP
Two Types JDBC Drivers
| Java Client Application | Java Applet/Application | |
|
JDBC OCI Driver(use OCI) |
JDBC Thin Driver | |
| Presentation-TTC | Presentation-Java TTC | |
| Oracle Net Fountation Layer | JavaNet | |
| Oracle protocol Support | TCP/IP Network Protocol | |
| Network Protocol TCP/IP,TCP/IP with SSL,and Named Pipes |