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NHIN-Direct SMTP/Email Notes 6/8/2010. Why we chose Email Concepts match the charter exactly Implementations match the charter exactly* Well understood.

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Presentation on theme: "NHIN-Direct SMTP/Email Notes 6/8/2010. Why we chose Email Concepts match the charter exactly Implementations match the charter exactly* Well understood."— Presentation transcript:

1 NHIN-Direct SMTP/Email Notes 6/8/2010

2 Why we chose Email Concepts match the charter exactly Implementations match the charter exactly* Well understood by end users Well understood by existing ISP industry Well understood by existing vendors Almost no new code - security agent only (same code that is a subset of other implementations) ISPs can participate with their existing infrastructure and skill set

3 Implementation Overview Really, it’s just email. Security agent plugged in at any point in the pipeline between Client (Source) and Server (Source HISP) Channels can be TLS- encrypted to protect routing information Email Client EHR, PHR Email Server Email Server Email Client EHR, PHR SMTP, MAPI POP3, IMAP, MAPI SMTP POP3, IMAP, MAPI SMTP, MAPI SSHDHD

4 Key Technologies Content Packaging: RFC 5322 + MIME Addressing: endpoint@domain Security & Trust: S/MIME HISP-HISP Transport: SMTP(S) Client-HISP Transport: SMTP, POP3, IMAP, MAPI, etc… Certificate distribution: DNS CERT

5 Structure, metadata and innovation Scalable structure – Body Text (always available, Individual Involvement) – Unstructured attachments (PDF) – Structured attachments (CCx, SCRIPT, etc.) – Explicit metadata MIME part (XDM) Transport has proven itself over 20+ years Innovate in the payload

6 Security Agent S/MIME Sign and Encrypt of messages fully supports requirements of Security & Trust Workgroup Certificate distribution by DNS CERT records Scalable approach to PKI Management – starts easy as TLS, adds ability to scale down to individual – HISP manages certificates – Organization manages certificates – Individual manages certificates Ability to use across implementations demonstrates the value of taking a transport-independent approach

7 Sample Message “On the wire” thread-index: AcsGjnbwhdd7B5CFQSuA2mgm0a8D9Q== Received: from umeshma4 ([131.107.0.72]) by nhind.hsgincubator.com with Microsoft SMTPSVC(6.0.3790.4675); Mon, 7 Jun 2010 15:12:05 -0700 Message-ID: From: "Dr Biff Hooper" To:"Dr. Alsip", daa858cb-a066-4c76-885f-ffa67242d6c3.9c24b165-7429-4ee2-a646-3bd7986b9968@hvnhind.hsgincubator.com Subject: Fw: Patient Referral Date: Mon, 7 Jun 2010 15:11:44 -0700 Organization: Biff's Clinic Content-Transfer-Encoding:base64 MIME-Version: 1.0 Content-Type:application/pkcs7-mime; smime-type=enveloped-data; name="smime.p7m" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.4657 Content-Class: urn:content-classes:message Priority: normal Return-Path: X-OriginalArrivalTime: 07 Jun 2010 22:12:05.0717 (UTC) FILETIME=[76B95050:01CB068E] MIMDtx4GCSqGSIb3DQEHA6CDA7cOMIMDtwkCAQAxggJvMIG6AgEAMCMwFTETMBEGA1UEAxMKVU0t QU1BTEdBMQIKFmbg8QAAAAAAGDANBgkqhkiG9w0BAQEFAASBgMrVicD/tjx0ZZ0daK0nN2GMLqJg FalBuKGxe+ZZATxHxJPCD4rg80pI5vLt/s8A3sRrCrrOSniwpl1kzg6Nunlq6wz/PpK7QTVofwpt H0ZGYMRin/CxQD4tlf9YFmLuXNdvrvG7AkgRdMS7MZZzBliEdCdUZncb6qnyEf9Y1JlsMIIBrgIB ADCBlTCBhzELMAkGA1UEBhMCVVMxETAPBgNVBAgTCE1pc3NvdXJpMQ8wDQYDVQQKEwZDZXJuZXIx... fEL7VbSd34tez2pUHCL9FbtRBWReSW1hcLEvlsJjeCBaVAKFrW6VZqzTt+M=

8 Reliable Messaging Store and forward model is critical in a massively distributed network – because it is likely that destinations will be unavailable – Daily issues, upgrades, disaster, remote Ability to route across intermediate hops will be important in a heterogeneous network – Corporate intranet gateways

9 Why Existing Services Matter Operations – Administration and provisioning – Backups – System health monitoring – Patch and upgrade process Security history, minimal new attack surface Multi-tenant issues worked out Training and industry skill set – admin, NOC, customer service Account support: quota management, billing, fraud detection, etc.

10 Demo Topology

11 Demo Technologies Clients – Cerner Millennium – Thunderbird – Outlook – Windows Live Mail – HealthVault DNS – Bind Servers – Windows SMTP – Postfix Operating Systems – Amazon EC2 – Windows Server – Linux

12 Demo


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