secunet Security Networks AG secunet Security Networks AG codelabs GmbH ELVIS-PLUS This document specfies how to negotiate the use of the Enhanced Encapsulating Security Payload (EESP) protocol using the Internet Key Exchange protocol version 2 (IKEv2). The EESP protocol, which is defined in draft-klassert-ipsecme-eesp, provides the same security services as Encapsulating Security Payload (ESP), but has richer functionality and provides better performance in specific circumstances. This document specifies negotiation of version 0 of EESP.