← Mainframe Modernization
Mainframe Modernization Map  ·  9 — Technical Interoperability
# Modernization Cause Path 1 Path 2 Path 3 Path 4
1 CICS/IMS
License Cost
CICS Runtime
Rehosting
z/OS Connect EE
API Enablement
Strangler Fig
Incremental
2 Growing
MIPS/MSU Cost
Offloading
to zIIP
Batch Rehosting
Linux / Cloud
Selective Replatform
by SMF
3 z/OS Hardware
EOL
Mainframe as a
Service (MaaS)
Accelerated
Rehosting (EOL)
Hardware Renewal
+ Modernization
4 COBOL Talent
Scarcity
z/OS Tooling
Modernization
COBOL→Java/Python
with AI
Rehosting to
Open Platform
Knowledge
Capture
5 Digital Channels
APIs / Open Banking
z/OS Connect EE
over CICS
CICS Containers
& Channels
Microservice Facade
over Mainframe
Channel Domain
Extraction
6 Business Agility
Time to Market
DevOps & CI/CD
for z/OS
High-Change
Component Extraction
Cloud-Native
Rearchitecting
7 Regulation /
Cybersecurity
Cloud API Gateway
over z/OS Connect
Data Sovereignty
Management
Full Migration
Certified Platform
8 Merger /
Acquisition
Integration Layer
/ Federation
Migration:
One to the Other
Both to Neutral
New Platform
MaaS
9 Technical
Interoperability
CICS Containers
& Channels
CICS Web Services
Enablement
COBOL Interfaces
to JSON/XML
Internal Prep
for z/OS Connect
z/OS Connect EE
Strangler Fig
CICS Containers & Channels
MaaS
Unique path

Hover a row to bring it into focus.

1CICS/IMS License Cost
Path 1CICS Runtime Rehosting
Path 2z/OS Connect EE API Enablement
Path 3Strangler Fig Incremental
2Growing MIPS/MSU Cost
Path 1Offloading to zIIP
Path 2Batch Rehosting Linux / Cloud
Path 3Selective Replatform by SMF
3z/OS Hardware EOL
Path 1Mainframe as a Service (MaaS)
Path 2Accelerated Rehosting (EOL)
Path 3Hardware Renewal + Modernization
4COBOL Talent Scarcity
Path 1z/OS Tooling Modernization
Path 2COBOL→Java/Python with AI
Path 3Rehosting to Open Platform
Path 4Knowledge Capture
5Digital Channels APIs / Open Banking
Path 1z/OS Connect EE over CICS
Path 2CICS Containers & Channels
Path 3Microservice Facade over Mainframe
Path 4Channel Domain Extraction
6Business Agility Time to Market
Path 1DevOps & CI/CD for z/OS
Path 2High-Change Component Extraction
Path 3Cloud-Native Rearchitecting
7Regulation / Cybersecurity
Path 1Cloud API Gateway over z/OS Connect
Path 2Data Sovereignty Management
Path 3Full Migration Certified Platform
8Merger / Acquisition
Path 1Integration Layer / Federation
Path 2Migration: One to the Other
Path 3Both to Neutral New Platform
Path 4MaaS
9Technical Interoperability
Path 1CICS Containers & Channels
Path 2CICS Web Services Enablement
Path 3COBOL Interfaces to JSON/XML
Path 4Internal Prep for z/OS Connect
z/OS Connect EE
Strangler Fig
CICS Containers & Channels
MaaS
Unique path