Glossary ======== .. glossary:: EVCC Electric Vehicle Communication Controller. EVSE Electric Vehicle Supply Equipment. SECC Supply Equipment Communication Controller. EIM External Identification Means. PnC Plug and Charge. EXI Efficient XML Interchange. SDP SECC Discovery Protocol. V2GTP Vehicle-to-Grid Transfer Protocol. HIL Hardware-in-the-loop. HAL Hardware Abstraction Layer. MCS Megawatt Charging System. Bench proof Evidence captured from an instrumented lab or HIL setup rather than only from software traces.