In the standard operation of Internet systems, various labels and data are managed globally -- domain names, IPv4 and IPv6 addresses, etc. From time to time, for operational and administrative purposes, users of the Internet need to be able to find and access registered nformation associated with those labels. The CRISP (Cross-Registry Information Service Protocol) WG will define a standard mechanism that can be used for: - finding authoritative information associated with a label, - a protocol to transport queries and responses for accessing that information, - a first profile (schema & queries) to support commonly-required queries for domain registration information, - a second profile (schema & queries) to support commonly-required queries for numbering resource information. ("numbering resources" is used to refer to IP addresses and ASNs) The WG will strive to preserve an extensible architecture so that the work possibly be useful in the future to other types of registries beyond those specifically considered by the group. Specific topics that are NOT goals of this WG are: - Backwards compatibility with existing administrative directory services such as WHOIS. - Provisioning of data into registry or registrar systems. CRISP provides a uniform access to and view of data that may be held in disparate backend servers. The CRISP service definition will define: - a standard mechanism that can be used to determine the authoritative server(s) for information about a given label - a single mandatory to implement protocol for transporting application queries and responses, including - expression of input query - expression of result sets - standard expression of error conditions - authentication and verification of data integrity - specific data types and queries to be supported in the supported registry services. Deliverables: - Requirements document as an Informational RFC. (previously submitted) - First draft of protocol (use) specification. (previously submitted) - First draft of domain registration administrative directory services required schema element specification. (previously submitted) - Document specifying a new protocol, or the use of an existing one, for providing CRISP service (application transport). - Document specifying required schema elements and queries for domain registration administrative directory queries. - Document specifying required schema elements and queries for numbering resources registration administrative directory queries.