z/OS Connect - Overview at the "z Systems Agile Enterprise Development Conference - 2016"

Introducing IBM z/OS Connect Enterprise Edition V2.0

Madhu B Ananthapadmanabh ([email protected])

Sreejith Nalamvathukkal ([email protected])

Digital Economy

Enterprises must learn to “Innovate like a Startup”

……TO

FROM……..“The ‘Uber syndrome’

– where a competitor

with a completely

different business

model enters your

industry and flattens

you.” Judy Lemke, CIO,

Schneider, United States

“52% of the Fortune 500 firms since 2000 are gone.” – R. Ray Wang http://blog.softwareinsider.org/2014/02/18/research-summary-sneak-peaks-from-constellations-futurist-framework-and-

2014-outlook-on-digital-disruption/

© 2016 IBM Corporation3

Consider Disruption in the Banking Industry

Non-bank entrants

New banks

New payment models

New lending models

New depository

Challenge: Disruptive forces are impacting banking industry dramatically

Opportunity: New ways to partner to create new value chains

Digital disruption fueled by APIs blurring traditional industry lines


What do the Following Have in Common?

Coffee company goes

digital, builds $1.6B

payments business, drives

21% of transactions

Car company offers

connected car, improves

driving experience, sells

vehicle data to partners

Bank spurs innovation by

offering hackathons,

integrates rewards program

with retailer partners

New Opportunities enabled by APIs


An Example of Innovative Application in Banking

– Mobile Wallet

APIMobile

Opportunity:• Improve consumer experience

• Convenience, Availability,

Usability

• Increased loyalty

• Customer retention

• New customers

• New Mobile Commerce channel

Solution:• Mobile App that will allow you to pay

• Credit / Debit card options

• Use for online shopping

• Use for in-store (NFC/QR code)

• Partner with retailer for special

discounts

$720 billion a year mobile payments by 2017 - Gartner estimate

6© 2016 IBM Corporation

Most Common scenario around APIs

Two Key Requirements for Enabling Digital Transformations

Must be agile in responding to marketplace needs and competitiono Solutions must be developed and deployed quickly, and are likely to be taken down just as quickly when replacing

with newer solutions

o An added requirement for enabling this multi-channel (for example, Mobile) digital presence can be a flexible deployment of this solution that is based on changing demand and available resources; for example, cloud-based solutions All enabled by APIs – exposing (Interaction) APIs for customer facing Mobile and IOT apps, and composing new applications accessing other APIs

(including Systems APIs)

Leverage core competency supported by mainframe assetso SOR Assets are built with a lot of due diligence and over a long period of time

Maintained by transactional systems (Create, Retrieve, Update and Delete) with important qualities of service (Reliable, Scalable, Secure, …)

Accessed by all core business processes, e.g., on-boarding a new customer or partner, introducing a new product, updating customer or product information, looking

up information, etc.

Data quality is maintained with a lot of due diligence in data validation

o New digital presence applications (exposed as interactive APIs) need easy access to SOR data Ease of development of System APIs can provide easy and timely access to SOR data

Related Blog entries: "Changing Industry Landscape with Digital Transformation" and "Digital Transformation with Mainframe Assets"

https://developer.ibm.com/mainframe/docs/why-create-apis/api-economy-zcee-apiconnect-intro/changing-industry-landscape-with-digital-transformation/

https://developer.ibm.com/mainframe/docs/why-create-apis/api-economy-zcee-apiconnect-intro/digital-transformation-with-mainframe-assets/

Interaction & System APIs: Digital Transformation through Multi-Speed IT

Interaction APIs: Invoke one or more System API’s or data sources,

and manipulate the returned data with new logic

Promote reuse across new applications

System APIs: APIs to Retrieve (as well as, Create, Update and

Delete) data from a system of record

App

ESB

System

API

Web

Service

System

API

TH GSINwww

Interaction API

System

API

Speed & Agility

Integration & Scale

Core

Enterprise

Digital

Ecosystem

Fast

Speed

Steady

Speed

Bridging to SOR: Enabling easy access

with System APIs


A Hybrid Cloud Architecture for Digital Transformation

Bluemix, API Connect, z/OS Connect EE for modern hybrid Enterprise applications

CICS

IMS

WebSphere

DB2

CICS, IMS, DB2,

WebSphere

IBM z/OS Connect EE

Create & run SoR (System)

APIs

IBM API Connect

Create, run, manage & secure

Enterprise APIs & Micro services

IBM Bluemix, zLinux/LinuxONE

Compose deploy & integrate

applications, services

IBM Mobile First

Tight IntegrationAll components located on

mainframe, and linkages are tightly

coupled

Service

OrientedLoose coupling using network-

based protocols such as

SOAP/WSDL

Web AccessScreen-scraping of 3270

applications

MessagingUsing technologies such as

IBM MQ

API EconomyIntegration based on a set

of well-understood and

easily-accessible APIs,

increasingly based on

REST/JSON patterns

These earlier patterns are still in

use and in many cases are the

best pattern for the application.

Just because they came earlier,

does not mean they are now

obsolete.

Evolution of Mainframe Integration Patterns

So how do we expose z data and services as APIs?

?

Can we do this today?

CTG or CICS SOAP/JSON

Webservices

IMS Mobile Feature Pack

DB2 JSON

CICS

IMS

DB2

MQ

WASJAX RS

Broker



Webservices


DB2 JSON

CICS

IMS

DB2

MQ

WASJAX RS

Broker

Completely different

configuration and management



Webservices


DB2 JSON

CICS

IMS

DB2

MQ

WASJAX RS

Broker



Multiple endpoints for developers

to call/maintain access to



Webservices


DB2 JSON

CICS

IMS

DB2

MQ

WASJAX RS

Broker



These are typically not RESTful!!!

Multiple endpoints for developers

to call/maintain access to

POST /accounts/create + (JSON with account create information)

POST /accounts/balance + (JSON with account number)

POST /accounts/update + (JSON with account number and deposit)

A collection of individual services

REST interface is very limited, HTTP method is NOT significant.

“Good enough” for some use-cases, but falls short the expectations of REST API consumers.

A naturally RESTful API

/accounts?name=Fred + (JSON with Fred’s information)

/accounts?number=1234

/accounts?number=1234 + (JSON with dollar amount of deposit)

/accounts?number=1234

HTTP verb conveys the operation

against the resources; i.e., POST is

for create, GET is for balance, etc.

URI conveys the resource to

be operated upon; i.e., Fred’s

account with number 1234

The HTTP body encoded in JSON

carries the specific data resulting from the

action (verb) against the resource (URI)

Aligned with API consumer expectations for REST APIs

What’s in a URI ? JSON-RPC style services vs. a “naturally RESTful” API

POST

GET

PUT

DELETE

16

You need an API transformation gateway!

RESTful APIs available from

one endpoint

CICS

IMS

DB2

MQ

WAS

With sophisticated mapping

of true RESTful APIs to

existing mainframe services

and data

CICS

IMS

WAS

MQ1

DB21

REST APIconsumers

z/OS

Create and deliver natural REST APIs for z Systems assets in a unified manner across z/OS subsystems with integrated auditing, security and scalability

API Management

Mobile apps

Web apps

1 see ENUS215-493 Statements of Direction

IBM z/OS Connect Enterprise Edition

Business partner applications

Internal applications

18

Liberty z/OS

z/OS Connect EE

server instance

SoR subsystems

CICS, IMS, WAS,

DB2, MQ, …

IBM 64-bit SDK for z/OS,

Java Technology Edition

V7.1.0 or V8.0.0

z/OS Explorer Aqua V3.0

z/OS Connect EE

API Editor

Windows, Linux or OS/X with

• IBM CICS Explorer V5.3

• IBM IMS Explorer for Development V3.2

• IBM Explorer for z/OS Aqua V3.0

Runtime Server•Includes service capabilities of V1.0

•Adds the ability to hosts APIs

•Integrates with multiple z subsystems

•Liberty + z/OS Connect = “instance”

•You may have multiple instances

Tooling Platform• Integrates with an Eclipse 4.4 environments

• Defines APIs and generates SWAGGER 2.0

• Compose API mapping models

• Deploy APIs to runtime server

• Export API archive for other tools to deploy

1

2

IBM z/OS Connect Enterprise EditionTwo parts to every story

19

Liberty

z/OS

z/OS

Connect EE

V2.0 Server

Backend

Systems(CICS, IMS, DB,

etc.)

• IBM z/OS 2.1 or

higher

• IBM 64-bit SDK for

z/OS, Java

Technology Edition

V7.1.0 or V8.0.0

Eclipse

z/OS

Connect EE

2.0 Tooling

• IBM CICS Explorer V5.3

• IBM IMS Explorer for Development

V3.2

• IBM Explorer for z/OS Aqua V3.0

For connectivity to backend systems:

• CICS -- CICS TS 4.1 or higherThis is based on the minimum level for the WebSphere Optimized Local Adapter (WOLA) support. For

WOLA and Liberty, the minimum CICS TS level is 4.1.

• IMS -- IMS 12.1 or IMS 13.1See IMS Mobile Feature Pack component of IBM IMS Enterprise Suite for z/OS, V3.1.1 announcement letter

214-220, which details the software requirements. The z/OS Connect EE V2.0 requirements for IMS are the

same as are outlined in that announcement letter.

Hardware and Software Prerequisites

21

z/OS Connect dedicated Liberty

z/OS Connect product

feature V2.0

service providerfeatures

WOLA

API composition tooling for Eclipse

RESTclient

API deployment scriptable interface

WOLA service provider

REST client service provider

Angel The Liberty angel runtime is

included with z/OS Connect EEProvides authorized services

Create API packages

and iteratively deploy

for testing

Automate deployment

of API packages with

target-specific

customizations

SMF89

registration &

usage records

Extra SPs

CICS, MQ, DB2 plan to ship

further service provider

implementations for deployment

with z/OS Connect EE

IMS Enterprise Suite 3.2.1

includes IMS Mobile Feature

Pack for z/OS Connect

Enterprise Edition

IBM z/OS Connect Enterprise EditionRuntime component view – extending z/OS Connect EE

z/OS Connect EE API EditorAPI composition

Eclipse Tools for Mainframe DevelopmentComposite update site hosts compatible versions of Eclipse platforms & plugins

23

https://developer.ibm.com/mainframe

Release train delivering

compatible versions of

Eclipse platforms & plugins

for IBM tooling on z/OS.


https://developer.ibm.com/mainframe/


z/OS Connect EE API EditorCreate the paths and methods supported by your REST API

24

service to invoke for this path and

method

unique mappings of the service for this path and method

Service archive

SoR-specific

utilities

containing e.g.

CICS WSBind,

IMS meta-data

Import SAR files to z/OS Connect EE API Editor

SoR-specific utilities for SAR generation

IMS Explorer for Development (shown)•IMS Transaction data xforms

BAQJS2LS / BAQLS2JS utilities (supplied)•CICS program data xforms

Ready for API composition….

z/OS Connect EE API EditorComposing an API from service archives

25

z/OS Connect EE API EditorAPI composition: start with service archives

26

z/OS Connect EE API EditorCreate unique RESTful mappings of z/OS Connect services per path and method

27

Map HTTP headers, query parameters,

and path parameters, to the service.

Map static values to fields

API archive includes generated SWAGGER 2.0

Upload the API archive to zFS and deploy using the apideploy command

z/OS Connect EE API EditorAPI composition: export API package as API archive (AAR)

28

z/OS Connect EE API EditorAPI composition: Generated SWAGGER (shown in SWAGGER editor)

29

IBM z/OS Connect Enterprise EditionAPI consumers, API packages, mapping and transformation, description, discovery and invocation!

Consumer view z/OS Connect EE V2 SoR

z-asset APOST

z-asset BGET

z-asset CPUT

z-asset DDELETE

API package

Create-service

Read-service

Update-service

Delete-service

/myapi/resource/{id}

HTTP

Headers

+

JSON AP

I m

ap

pin

g

mo

de

l

Discover APIswith SWAGGER

description

Consumers can use SWAGGERto generate API client code

Service archive SoR-specific

utilities

containing

e.g. CICS

WSBind, IMS

meta-data

Export API

z/OS Connect EE API editor

JSON /

SoR

xforms

(.sar)

(.aar)

Import

30

CICS Catalog Manager: sample API mapping model

VSAM File (EXMPCAT)

CICS

Inquire item

Place Order

z/OS Connect EE V2.0

https/json

DFH0XCMNGET or POST

Inquire

Catalog

GET /items?startItemIDGET /items/{itemID}POST /orders

Services

catalog API

inquireCataloginquireSingleplaceOrder

Designing an API for the CICS Catalog sampleA sample API mapping model

31

DFH0XCP3

Inquire Catalog

DFH0XCP4

Inquire Single

DFH0XCP5

Place Order

DFH0XCMN

CICS Programs

Service for Inquire Catalog

serviceName="inquireCatalog"

Service for Inquire Single

serviceName="inquireSingle"

Service for Place Order

serviceName="placeOrder"

WOLA Information

registerName="CICSREG"

serviceName="DFH0XCMN"

Data transformation information

zosConnectDataXform

GET/items?startItemID=<value>

GET/items/{itemID}

POST/orders

z/OS Connect EE V2.0

API Definitionz/OS Connect EE V2.0

Service Definitions 1

2

3

5

4

6

The API is generated using the z/OS Connect EE V2.0 API Editor in Eclipse

1. CICS program named in WOLA serviceName

2. CICS copybooks used to create data transformation WSBIND files (JSON to

COMMAREA)

3. Service definitions

4. CICS region named in WOLA registerName

5. WOLA DataXform specifies location of WSBIND files

6. API we want to construct with the API

Editor

Designing an APIA sample API mapping built from CICS catalog sample services

32

API ManagementSecure, scale, manage, monitor, and socialize APIs

API Management

• APIs hosted on a zEE server are not “managed”, therefore an API

management (APIm) solution should be used.

• IBM APIm enhances zEE APIs with the following capabilities:

– Secure and scale• manage access to APIs by using API keys and secret keys.

– Manage and monitor• extract API usage and analytics data to quickly react to new opportunities.

– Administration portal• self-registration, quotas, key management and security policies.

– Developer portal• engage application developers and foster use of published APIs.

• customize with branding to advertise, market, socialize and sell APIs.

34

35

A zEE API can be imported into APIm by referencing its

Swagger definition that is hosted on the zEE server.

36

Provide the location of the Swagger definition

on the zEE server.

37

The Swagger definition is parsed and shown

for confirmation.

38

The zEE API is now imported into APIm

and can be managed.

How do I get started?

39

EZSource provides unique application discovery capabilities to reduce

the risk and cost of digital transformation

• Accelerate digital modernization efforts by analyzing business-critical applications– Identify API candidates and embrace micro services architecture

– Identify code quality concerns, including dead code, to improve reliability and maintainability

• Mitigate risk of change through understanding code, data and schedule interdependencies– Aid in the sizing of a change effort

– Automate documentation to improve understanding

– Reduce learning curve as new people are on boarded

• Work smarter through Cognitive DevOps– Add application understanding to DevOps lifecycle information to

identify opportunities for work optimization * Based on EZSource client surveys 2013-15

EZSource Estimated Productivity Improvements* Application Design 26% Application Development/Maintenance 33% Testing/QA 27% Application Support 18%

http://www.ibm.com/press/us/en/pressrelease/49810.wss

http://www.ibm.com/press/us/en/pressrelease/49810.wss

IBM apiconnect

on prem

IBM apiconnect

z/OS Connect

Enterprise Edition

All set - Get connected!

z/OS Connect EE pricingInstance based pricing model

43

z/OS Connect EE introduces an innovative new pricing model

on z Systems.

“per instance” pricing metric

•Based upon the maximum number of active concurrent

address spaces

•Tiered usage bands

•provides increasing value as the size of an overall

deployment rises; low cost of entry for small projects

•Auditing is required through SMF89-2 records

•hourly snapshots of the number of concurrent instances,

reports created with utility IFAURP

What about pricing?A new approach

44

Number of

Simultaneous Instances

VUs per Simultaneous Instance

1 to 4 1 VU per Simultaneous Instance

5 to 10 4 VUs + 0.6660 VUs per Simultaneous Instance > 4








>3000 36 VUs + 0.0007 VUs per Simultaneous Instance > 3000

What about pricing?Value Unit exhibit VUE037 (see announcement letter ENUS215-493)

http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&supplier=897&letternum=ENUS215-493

Summary

Evolution of z Asset Integration Capability

Messaging or EAI (MQ)

Enterprise Service Bus(IIB)

API Management

z/OS Connect EE

• Reliable messaging and Transactional invocations of applications, • However, point-to-point hard-coded (adhoc) integration; Lacks agility, and results in complex

integration topology• Asynchronous messaging; Lacking a service view as a request and a response are modeled as separate

messages

• Promotes Service reuse and productivity gain; Business and IT function alignment• Tooling for creating and integrating services; Transformation in ESB for matching client application

needs• Service registry for look up and governance; Policy based control; Loose coupling and flexible

deployment of services• However, lacks consumability and support for client entitlement, and easy set up for external

invocations• Manual mapping required for COBOL Copybook transformation (without z specific tooling)• Inherent complexity due to required round-tripping across app and integration developers

• Simpler (consumable) REST based interfaces and meaningful Swagger based business APIs relating multiple transactions under a single API as operations on a business entity

• Improved consumability with browsable catalog and subscription support• Improved control for enforcing client entitlements (and Insight with usage analytics); Accountability

and support for chargeback• Complements existing SOA investment with improved consumability, control and insight• Support for “Create” and “Run” of Interactive APIs with visual composition tools • Support for API Governance, and developer portal for consuming app developers• z/OS Connect EE makes it very easy to “Create” and “Run” System APIs from z Assets

*Transportation via Planes, Trains & Automobiles can coexist, though not an apt analogy

All three types of integration capabilities may sometimes co-exist* in a single customer environment

•

Analytics run on SoR system for optimal performance

and security

IMS

WebSphere

DB2 An

alyt

ics

System of Record

CICS

Web Services

ESB (IIB)

COBOL

CPYBOOKWeb Services,

Others…

REST APIs

(Open APIs)

REST

RESTREST

Existing SOA Client

Applications

** Other forms of messaging based

integration capabilities may also be

present

*New Managed,

Composite and/or

Systems APIs

REST APIs

Incremental adoption of new z/OS Connect EE based REST APIs and/or managed APIs can co-exist with already deployed SOA based services, and other forms of integration capabilities

Web Svc

APIs

1. Existing investments over the last 10+ years in SOA can be extended with API Connect

2. Provide a first class experience in developing and managing new APIs for z applications and data

MQ, CTG, etc.

z/OS Connect EE

Exposing Mainframe-Based Assets as SOR APIs

48

IBM z/OS Connect Enterprise Edition (EE) V2.0 is the latest evolution of

z/OS Connect! z/OS Connect EE V2.0 is a priced offering, orderable via

Shopz as PID 5655-CEE.

Available now!

Announcement letter ENUS215-493

ibm.biz/zosconnect20_announce

z/OS Connect EE V2.0 includes

A dedicated Liberty profile for z/OS

• GA release includes Liberty V8.5.5.7

New Eclipse-based tooling for API composition with SWAGGER

• Delivered through IBM Explorer for z/OS V3.0 Aqua

The WOLA service provider for access to CICS and BATCH

• Including the WOLA Liberty feature

Utilities to generate service archives for use with CICS programs

• Creates JSON schemas as input for API composition

The REST client for access to “3rd party” REST services

• e.g. JAX-RS applications hosted on WAS for z/OS

IBM z/OS Connect Enterprise EditionProduct summary review

http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&supplier=897&letternum=ENUS215-493

http://ibm.biz/zosconnect20_announce

Get ahead of the game! Register your interest todayPreview potential capabilities plus the chance to give direct feedback

49ibm.biz/zosconnectopenbeta

http://ibm.biz/zosconnectopenbeta

Useful Links

• z/OS Connect EE Knowledge Center

– http://www.ibm.com/support/knowledgecenter/SS4SVW

• z/OS Connect Enterprise Edition Home Page

– http://www-03.ibm.com/software/products/en/zos-connect-enterprise-edition

• Redbook (Building an API Bridge to Your IBM z Systems Applications and Data)

– http://www.redbooks.ibm.com/abstracts/redp5296.html?Open

• z/OS Connect Tooling

– https://developer.ibm.com/mainframe/products/zosconnect/

• IBM API Connect

• http://www-03.ibm.com/software/products/en/api-connect

• EZSource

– http://www.ezsource.com

50

http://www.ibm.com/support/knowledgecenter/SS4SVW

http://www-03.ibm.com/software/products/en/zos-connect-enterprise-edition

http://www.redbooks.ibm.com/abstracts/redp5296.html?Open

https://developer.ibm.com/mainframe/products/zosconnect/

http://www-03.ibm.com/software/products/en/api-connect

http://www.ezsource.com/

Notices and Disclaimers

51

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