IAWG (Interface Architecture WG)

Trimester MeetingPhoenix, AZ09/16/2008

IPR & Antitrust Policies

• By participating in this meeting you are agreeing to be bound by MISMO’s IPR (Intellectual Property Rights) policy which can be found at www.mismo.org

• All meetings are conducted in accordance with MISMO’s Antitrust Policy

Agenda• Housekeeping

– Charter/Mission – Description of activities– Elections (Chair and Vice-Chair) – Monthly calls

• eMIT V2 Status • Verbs/Nouns Matrix • PRIA

– Message Interaction Diagram– Verbs/Nouns (Actions/Item types)

• Title– Verbs/Nouns (Actions/Item types)– Message Interaction Overview

Introductions

• Who are you?• What is your background?• Which mortgage industry process does your

company perform• Why are you attending this meeting?

Workgroup Mission

• The Interface Architecture workgroup enables standards-based methodology, practice, and guidance for the transport, routing and packaging of residential mortgage information.

• The workgroup defines and develops message exchange patterns for enterprise and trading partner exchange of data and documents for a variety of mortgage banking industry activities.

Workgroup Structure

• Designed to enable distributed systems communication– use a standards-based methodology– establish a communications practice– provide guidance on a messaging framework

• Workgroup includes– Previously known Enveloping Workgroup– Previously known eMIT Workgroup (eMortgage

Interface Transactions)/eMCIT (eMortgage Closing Interface Transactions)

Workgroup Activities

• Maintain MISMO XML envelope structures– Support V2.X envelope publications– Develop and shepherd V3 envelope

• recommend messaging framework requirements for MISMO– SOAP, WS*– Actions

• Architect envelope payload framework– V3 Package

Elections

• Chair (currently Rachael Sokolowski)• Co-chair (currently RJ Schlecht)• Core Data Structures representative• Architecture representative

Conference Calls

• Tuesdays 2PM (weekly)– eMIT V2– V3 Package Development

• First Tuesday of the month, 3PM– SOAP MEGs– Action/Item Types

• Set up new schedule?

eMIT V2 Status

• V2 publication vetted with workgroup• Closing 2.5 • Contivo development• Core Data Structures review• Architecture

Interface Architecture

• Use of SOAP envelope/ WS*– Guidelines for header requirements• Encryption

– Definition of the SOAP body• Standard package for all of MISMO messages

• Guidelines for Message Exchange Patterns– Standard actions on workgroup specific items

IA MEGs• MEG 0028: XML Signature of a MISMO XML (needs

work)• MEG 0029: XML Encryption of MISMO XML (pending

review)• MEG 0030: Use of the MISMO Envelope (SOAP)

(pending review)• MEG 0034: Profile For Use of Embedded File??• MEG 0035: Use of XOP/MTOM Message (needs

work)• MEG 0031: Package ( in development needs) work)

SOAP Body

• MISMO V3 Package– MEG– -Schema

• Trimester discussions occur on Thursday AM, 9/18/2008

Message Exchange Patterns

• Define MISMO standard methods of communication between trading partners

• Redesign of V2 _ActionType attribute defined in the request/response envelopes by the workgroups

• Standardized terms– Actions defined as verbs: shared across

workgroups– Items defined as nouns; workgroup specific

MEPs

Action Verbs• ACCEPT - agree to item type (RESPONSE ONLY)• AUTHORIZE -- provide authorization for an item type• CANCEL -- abnormal terminate item type (REQUEST ONLY)• CHANGE -- update previously provided information• DISPUTE -- disagree with item type; trading partners have different data in their

systems• TERMINATE -- successful termination of item type-delete• INITIATE-- submit/start a process (REQUEST ONLY)-delete • PROVIDE (in response to request or unsolicited) -- supply an item type• QUERY -- ask for status of an item type (REQUEST ONLY) • REPORT -- supply status information (RESPONSE ONLY)• REQUEST -- ask for an item type (REQUEST ONLY) • REJECT -- refuse an item type (RESPONSE ONLY)• SCHEDULE -- plan an item type at a particular date• SUSPEND -- put a previous authorization on hold • OTHER

Item Types

• Workgroup specific• PRIA Item Types– Workgroup Name: PRIA– DocumentRecording– FeeQuote

• Title Item Types– Workgroup Name: Title– ?

PRIA IA

Document Recording

Title

• Verbs/Nouns (Actions/Item types)• Message Interaction Overview

Wrap-up

• New con call time?• Action Items

• Continue workgroup by workgroup review of Action/Item Types for V3• SOAP MEGs• Continue Package Development join eMortgage

Wednesday and Thursday …