Protocol Action: The Architecture of the Common Indexing Protocol (CIP) to Proposed Standard
The IESG <iesg-secretary@ietf.org> Mon, 14 June 1999 12:00 UTC
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From: The IESG <iesg-secretary@ietf.org>
Subject: Protocol Action: The Architecture of the Common Indexing Protocol (CIP) to Proposed Standard
Date: Mon, 14 Jun 1999 07:37:01 -0400
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The IESG has approved publication of the following Internet-Drafts as Proposed Standards: o The Architecture of the Common Indexing Protocol (CIP) <draft-ietf-find-cip-arch-02.txt> o MIME Object Definitions for the Common Indexing Protocol (CIP) <draft-ietf-find-cip-mime-03.txt> o CIP Transport Protocols <draft-ietf-find-cip-trans-01.txt> The IESG also approved publication of the following Internet-Drafts as Experimental: o A Tagged Index Object for use in the Common Indexing Protocol <draft-ietf-find-cip-tagged-07.txt> o CIP Index Object Format for SOIF Objects <draft-ietf-find-cip-soif-02.txt> o Registration Procedures for SOIF Template Types <draft-ietf-find-soif-registry-00.txt> o LDAPv2 client Vs the Index Mesh <draft-ietf-find-cip-ldapv2-02.txt> These documents are the product of the Common Indexing Protocol Working Group. The IESG contact persons are Keith Moore and Patrik Faltstrom. Technical Summary The Common Indexing Protocol (CIP) is a mechanism that an information server can use to export one or more summaries or indices of the information stored on that server, to other information servers. A server which imports such information can then return a "redirect" or "query route" to a client, instructing the client to consult one or more other servers. The CIP is relatively independent of the query protocol, so it can be used to exchange between X.500/LDAP, whois++, CCSO/PH, and other services. CIP consists of: a set of commands, each of which is a MIME media type, which are used by one server to poll another server, or to indicate when data has changed; and a template for defining "application/index.obj.*" media types which are used for the actual exchange of information. Instances of these media types can be exchanged between servers using any of several protocols, including SMTP, HTTP, and a simple purpose-built protocol layered on TCP. Working Group Summary This started out as an effort to standarize the indexing format from the whois++ protocol and make it available to other protocols. It was eventually understood that different application domains would each need their own kinds of indices, and this led to the current structure. The WG acheived consensus with the result. Protocol Quality Keith Moore reviewed the spec for IESG.