Original 17 rules
- Every Xanadu server is uniquely and securely identified.
- Every Xanadu server can be operated independently or in a network.
- Every user is uniquely and securely identified.
- Every user can search, retrieve, create and store documents.
- Every document can consist of any number of parts each of which may be of any data type.
- Every document can contain links of any type including virtual copies (“transclusions”) to any other document in the system accessible to its owner.
- Links are visible and can be followed from all endpoints.
- Permission to link to a document is explicitly granted by the act of publication.
- Every document can contain a royalty mechanism at any desired degree of granularity to ensure payment on any portion accessed, including virtual copies (“transclusions”) of all or part of the document.
- Every document is uniquely and securely identified.
- Every document can have secure access controls.
- Every document can be rapidly searched, stored and retrieved without user knowledge of where it is physically stored.
- Every document is automatically moved to physical storage appropriate to its frequency of access from any given location.
- Every document is automatically stored redundantly to maintain availability even in case of a disaster.
- Every Xanadu service provider can charge their users at any rate they choose for the storage, retrieval and publishing of documents.
- Every transaction is secure and auditable only by the parties to that transaction.
- The Xanadu client-server communication protocol is an openly published standard. Third-party software development and integration is encouraged.