# EPP integration specification Main communication specification through EPP: [Session related functions](epp/session.md) [Contact related functions](epp/contact.md) [Domain related functions](epp/domain.md) [Keyrelay related functions](epp/keyrelay.md) Our implementation supports following protocols: [RFC5730 - EPP](http://tools.ietf.org/html/rfc5730) [RFC5731 - Domain Mapping](http://tools.ietf.org/html/rfc5731) [RFC5733 - Contact Mapping](http://tools.ietf.org/html/rfc5733) [RFC5734 - Transport over TCP](http://tools.ietf.org/html/rfc5734) [RFC5910 - DNSSEC Mapping](http://tools.ietf.org/html/rfc5910) [RFC3735 - Guidelines for Extending the EPP](http://tools.ietf.org/html/rfc3735) EIS specific XML Schema Definitions (may differ from policies applied to registry): [contact-eis-1.0.xsd](schemas/contact-eis-1.0.xsd) [domain-eis-1.0.xsd](schemas/domain-eis-1.0.xsd) [eis-1.0.xsd](schemas/eis-1.0.xsd) More info about The Extensible Provisioning Protocol (EPP):
http://en.wikipedia.org/wiki/Extensible_Provisioning_Protocol