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What are the different built-in Service Types?
The EdgeADC has several pre-defined Service Types, which you can select from the Service Type column when defining a Virtual Service. These allow you to immediately select and tune various ADC settings to suit the type of connection you need.
Please note that with all “Layer 4” service types, the ADC will not interact or modify the data stream, so flightPATH is unavailable with Layer 4 service types. Layer 4 services simply load balance the traffic according to the load balancing policy:
| Service Type | Port/Protocol | Service Layer | Comment |
| Layer 4 TCP | Any TCP port | Layer 4 | The ADC will not alter any information in the data stream and will perform standard load balancing the traffic according to the load balancing policy |
| Layer 4 UDP | Any UDP port | Layer 4 | As with Layer 4 TCP, the ADC will not alter any information in the data stream and will perform standard load balancing the traffic according to the load balancing policy |
| Layer 4 TCP/UDP | Any TCP or UDP port | Layer 4 | It is ideal if your service has a primary protocol such as UDP but will fall back to TCP. The ADC will not alter any information in the data stream and will perform standard load balancing the traffic according to the load balancing policy |
| DNS | TCP/UDP | Layer 4 | Used to load balance DNS servers. |
| HTTP(S) | HTTP or HTTPS protocol | Layer 7 | The ADC can interact, manipulate and modify the data stream using flightPATH. |
| FTP | File Transfer Protocol Protocol | Layer 7 | Using separate control and data connections between client and server |
| SMTP | Simple Mail Transfer Protocol | Layer 4 | Use when load balancing mail servers |
| POP3 | Post Office Protocol | Layer 4 | Use when load balancing mail servers |
| IMAP | Internet Message Access Protocol | Layer 4 | Use when load balancing mail servers |
| RDP | Remote Desktop Protocol | Layer 4 | Use when load balancing Terminal Services servers |
| RPC | Remote Procedure Call | Layer 4 | Use when load balancing systems using RPC calls |
| RPC/ADS | Exchange 2010 Static RPC for Address Book Service | Layer 4 | Use when load balancing Exchange servers |
| RPC/CA/PF | Exchange 2010 Static RPC for Client Access & Public Folders | Layer 4 | Use when load balancing Exchange servers |
| DICOM | Digital Imaging and Communications in Medicine | Layer 4 | Use when load balancing servers using DICOM protocols |