With over 280 autonomous regions, achieving a seamless flow of relevant information between IT systems of different healthcare systems presents unique challenges for cross-border interoperability. 

All current IHE profiles can be found on the IHE International
site: http://www.ihe.net/profiles/index.cfm

The details of any IHE profile are available in the Technical Frameworks on http://www.ihe.net/Technical_Framework/index.cfm

Norms/Standards

Please find here a list of relevant links to standards and norms used in the context of IHE.

    * HL7 : You may also want to have a look at the following projects :
          o CCOW The acronym CCOW stands for "Clinical Context Object Workgroup", CCOW is a vendor independent standard developed by the HL7 organization to allow clinical applications to share information at the point of care
          o CDA : The Clinical Document Architecture, APPROVED AS AN ANSI STANDARD November 2000.
          o HL7 Implementation Guide : This document contains in the appendix C.4 information about the minimal lower layer protocol.
    * Dicom
    * IETF :
          o RFC-1510 : The Kerberos Network Authentication Service (V5) used by the EUA profile (IT-I)
          o RFC-2616 : HyperText Transfer Protocol HTTP/1.1
          o RFC-2246 : Transport Layer Security (TLS) 1.0
          o RFC-3164 : The BSD Syslog Protocol.
          o RFC-3195 : Reliable Delivery for Syslog
          o RFC-3881 : Security Audit and Access Accountability Message XML Data Definitions for Healthcare Applications. Registered Schema. Please note that there is a minor difference between the registered schema and the one in RFC 3881. An enumeration in RFC 3881 specified for documentation purposes has been removed, since it inhibits a useful extension to the schema. This reflects the intent of RFC 3881, section 6.2, regarding schema extensions.
          o RFC-2181 : Clarifications to the DNS Specification
          o RFC-2219 : Use of DNS Aliases for Network Services
          o RFC-2782 : A DNS RR for specifying the location of services (DNS SRV)
          o RFC-1305 : Network Time Protocol (NTP) Version 3. used by the CT profile (IT-I)
          o RFC-2030 : Simple Ne>twork Time Protocol (SNTP) used by the CT profile (IT-I)
    * W3C : used by the RID profile (IT-I)
          o Extensible Markup Language (XML) 1.0 (Second Edition). W3C Recommendation 6 October 2000.
          o Web Services Description Language (WSDL) 1.1. W3C Note 15 March 2001.
    * ITU-T: Recommendation X.509 (03/00). Information technology - Open Systems Interconnection - The directory: Public-key and attribute certificate frameworks"
    * ASTM:
          o PS 115-99: Provisional Standard Specification for Audit and Disclosure Logs for Use in Health Information Systems.
          o E2147-01 Standard Specification for Audit and Disclosure Logs for Use in Health Information Systems.
    * ebXML : used by the XDS profile (IT-I)