There are plenty of alternatives for RPKI validation.
Guest Post: A proposal to allow Resource Tagged Attestations can be tested in Krill and Routinator with just a few simple steps.
Guest Post: RPKI manifests exist to protect both the issuing Certificate Authority and the Relying Party.
The third is a series of posts by Geoff Huston answering questions on RPKI.
The second is a series of posts by Geoff Huston answering questions on RPKI.
Geoff seeks to shed light on the design trade-offs behind RPKI.
Guest Post: TWNIC continues to encourage Internet routing security with the RPKI Validator service.
Mongolian mobile operator, MobiCom, has started performing Route Origin Validation to secure its routes.
APNIC Labs has developed a new way to measure the adoption of ROV and its impact on end users.