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1 | © 2019 Software AG. All rights reserved. For internal use only
“What’s wrong with
the monolith?”
― Almost Nobody, Somewhere ―
Przemek Kulik
Software AG
MICROSERVICES
ARCHITECTURES
AGILITY VS COMPLEXITY
© 2019 Software AG. All rights reserved.
3 | © 2019 Software AG. All rights reserved.
PACE LAYERED ARCHITECTURE
 acme.com, acme.eu, acme.cn ...  Mobile  PoS
API
Management
API Gateway
Integration
 Backend
Experience
Layer
4 | © 2019 Software AG. All rights reserved.
PACE LAYERED ARCHITECTURE
 acme.com, acme.eu, acme.cn ...  Mobile  PoS
API
Management
API Gateway




    
Integration
 Backend      
Experience
Layer
5 | © 2019 Software AG. All rights reserved.
DEPLOYMENT ARCHITECTURES
MONOLITH
MORE AGILITY AND FLEXIBILITY
LOWER OPERATIONAL COMPLEXITY AND COST
SERVICE MESHMICROSERVICES SERVERLESS

λ {...}λ λ




{...} {...}
6 | © 2019 Software AG. All rights reserved.
YOU WILL HAVE A MIX OF IT

 acme.com, acme.eu, acme.cn ...  Mobile  PoS




    
Experience
Layer
API
Management
  
7 | © 2019 Software AG. All rights reserved.
FIT FOR PURPOSE
  
• Main / Edge gateway
serves north-south traffic
• Protects and mediates
public APIs
• Microgateways serve
east-west traffic
• Protect and mediate
private APIs
• They are light weight and
only carry the policies
they need right now
8 | © 2019 Software AG. All rights reserved.
API MANAGEMENT
MICROGATEWAY AND API GATEWAY
⁄ Provisioning
⁄ Control
⁄ Visibility
⁄ Provisioning
⁄ Federation
⁄ Independent
operations
9 | © 2019 Software AG. All rights reserved. For internal use only and for Software AG Partners.
API MANAGEMENT
MICROGATEWAY AS SIDERCAR
The Application
The piece of
software
performing the
core function
The Sidecar
Other functions
- Network
abstraction
- Common
funnctions
- etc
10 |
MULTIPLE API
STYLES
API PRODUCT
MANAGEMENT
API PROTECTION &
GOVERNANCE
CI/CD FRIENDLY ☺API CONSUMPTION HYBRID
11 |
API PORTAL API GATEWAY MICROGATEWAY
ENGAGE & SUPPORT
DEVELOPERS
PROTECT ACCESS &
MONETIZE USAGE
MANAGE
MICROSERVICES
ARCHITECTURE
WEBMETHODS API MANAGEMENT PLATFORM
CLOUD, ON-PREMISES AND HYBRID
© 2019 Software AG. All rights reserved.
12 | © 2019 Software AG. All rights reserved.

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APIdays Paris 2019 - Microservices Architectures Agility vs Complexity, by Przemek Kulik, Software AG

  • 1. 1 | © 2019 Software AG. All rights reserved. For internal use only “What’s wrong with the monolith?” ― Almost Nobody, Somewhere ―
  • 2. Przemek Kulik Software AG MICROSERVICES ARCHITECTURES AGILITY VS COMPLEXITY © 2019 Software AG. All rights reserved.
  • 3. 3 | © 2019 Software AG. All rights reserved. PACE LAYERED ARCHITECTURE  acme.com, acme.eu, acme.cn ...  Mobile  PoS API Management API Gateway Integration  Backend Experience Layer
  • 4. 4 | © 2019 Software AG. All rights reserved. PACE LAYERED ARCHITECTURE  acme.com, acme.eu, acme.cn ...  Mobile  PoS API Management API Gateway          Integration  Backend       Experience Layer
  • 5. 5 | © 2019 Software AG. All rights reserved. DEPLOYMENT ARCHITECTURES MONOLITH MORE AGILITY AND FLEXIBILITY LOWER OPERATIONAL COMPLEXITY AND COST SERVICE MESHMICROSERVICES SERVERLESS  λ {...}λ λ     {...} {...}
  • 6. 6 | © 2019 Software AG. All rights reserved. YOU WILL HAVE A MIX OF IT   acme.com, acme.eu, acme.cn ...  Mobile  PoS          Experience Layer API Management   
  • 7. 7 | © 2019 Software AG. All rights reserved. FIT FOR PURPOSE    • Main / Edge gateway serves north-south traffic • Protects and mediates public APIs • Microgateways serve east-west traffic • Protect and mediate private APIs • They are light weight and only carry the policies they need right now
  • 8. 8 | © 2019 Software AG. All rights reserved. API MANAGEMENT MICROGATEWAY AND API GATEWAY ⁄ Provisioning ⁄ Control ⁄ Visibility ⁄ Provisioning ⁄ Federation ⁄ Independent operations
  • 9. 9 | © 2019 Software AG. All rights reserved. For internal use only and for Software AG Partners. API MANAGEMENT MICROGATEWAY AS SIDERCAR The Application The piece of software performing the core function The Sidecar Other functions - Network abstraction - Common funnctions - etc
  • 10. 10 | MULTIPLE API STYLES API PRODUCT MANAGEMENT API PROTECTION & GOVERNANCE CI/CD FRIENDLY ☺API CONSUMPTION HYBRID
  • 11. 11 | API PORTAL API GATEWAY MICROGATEWAY ENGAGE & SUPPORT DEVELOPERS PROTECT ACCESS & MONETIZE USAGE MANAGE MICROSERVICES ARCHITECTURE WEBMETHODS API MANAGEMENT PLATFORM CLOUD, ON-PREMISES AND HYBRID © 2019 Software AG. All rights reserved.
  • 12. 12 | © 2019 Software AG. All rights reserved.