Microservices oracle-meetup

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Microservices in Practice:
Challenges in Choosing Microservices Platform
Raju Datla, CEO, Macaw Software
https://macaw.io

Are you getting on Microservices Bus?
Image source: http://emc3coaching.com/

Software Architectures - Evolution
Monolithic
Purpose Built
Tiered
Architecture
SOA
Microservices
Serverless
Computing
Scalability&Resiliency
Timeline 

Traditional Monolithic App
MS
MS
MS
MS MS
MS
MS MSMS
MS MS
MS M
S
M
S
M
S
Microservices Based App
What are Microservices ?
Microservices
• Loosely coupled, fine grained and light weight with well defined APIs
• Collection of Microservices form an application

Why Microservices?
✓ Faster development (More agile)
✓ Lightweight, right-sized and loosely
coupled services
✓ Fault tolerant and isolation
✓ Infrastructure, Cloud agnostic
✓ Distributed and horizontally
scalable
✓ Independent service lifecycle –
develop, deploy, upgrade
✓ Supports DevOps operational
paradigm

Modern Application Demands
Multi-Language
Ready
DevOps, CI/CD
Cloud-Ready Tools
Built-in
Governance
and Monitoring
Container
Ready
Distributed &
Horizontal
Scaling
Independent
Lifecycle
Node Node Node Node
➢ Develop
➢ Deploy
➢ Scale

DevOps Enablers – CI/CD, Containers,
Microservices
Container
Microservice
CI/CD

Microservices and Containers – Better Together
Benefits
MS MS MS
…
✓ Independent Upgradability
✓ Independent Scalability
✓ Independent Life Cycle
✓ Increased Efficiency
✓ Increased Stability
✓ Portability
✓ Faster time to innovate
✓ Faster time to value

Microservices Maturity Cycle

Microservice Practical Implementation Challenges
Complexity
New Architectural
Components
Multi Language
Support
DevOps &
Collaboration
Monitoring and
Governance
Hard to build
operational
framework

K8S ClusterDocker Nodes
… …
Dev/Test On-Premises Cloud
Frontend Services
…
DevOps Portal
APIs
App Portal
…
App Services
Data
Microservices Based Application Architecture
API
Gateway
Identity
Registry
Platform Services
Locker
Lifecycle Ops
…
DBaaS
Caching
Custom DB
Logging
Service Blueprints (Services, Models, Data Bindings, Scaling Policies)
Serverless
Computing
Messaging
SQL
NOSQL
APM/
Monitoring

What to consider while choosing the Platform (1)
Aspect Why
Programming Languages Many projects use more than one. Continuous evolution of
languages for specific use cases (ML / AI)
Service Interaction Models Synchronous vs Asynchronous or Both?
Modelling Formats How to define and document the APIs? Ex: Swagger
CI/CD Tools Chose your build, deploy and automation tools based on your
organizational preference
Service Packaging Model Light weight Containers with specific Container OS
Container Management and Orchestration Kubernetes? Kubernetes as a Service?
Tenancy Models Will same instance of mircoservice be shared by more than
one tenant?

Aspect Why
Identity and Access
Management
Managing application users and access.
Managing security and access between services
Service Lookups and Routing How do services find each other? Who updates replacement services?
(Service Registry)
Messaging Topic Based vs Queue Based
Scale vs Reliability
Who manages the messaging queues/topics?
Service Clustering Stateful vs Stateless services
Load balancing
Caching for Stateful services
Database as a Service
(DBaaS)
Support for SQL and NoSQL
Built-in support data initialization, CRUD, search, migrate
Logging as a Service Ability to search logs by service, across services
Group logs by a specific transaction across services

Aspect Why
Service Monitoring Monitor Status/Uptime
Monitor API/Notification uses (incoming, failed, slow, rate)
APM for Services Each service would need APM integration to measure fine grained
performance metrics and troubleshoot
Need a central console for APM
Centralized Service
Configuration Management
Ability to deploy/manage service configurations in dev, QA, staging,
production environments
API Gateway If service-to-service is done via messaging, would need a HTTPS based
API Gateway to publish, document, manage access to all services.
Data Security Security of sensitive data in transit (between micro-services)
Security of data at rest
Microservice Blueprints Ability to combine collection of services into a logical manageable group
and deploy

Aspect Why
Real-time message correlation and
visualization
Need the ability to trace transactions across multiple Microservices.
Visualization of success paths and failure paths
Serverless Ability to use Microservices along with Serverless architectures
Use best of both worlds on as needed basis
Team Collaboration In Large Projects:
• How do you track service definitions (APIs)
• Group into service blueprints and deploy
• Versioning, Compatibility, Rollout
• Propagate deliverables
• Track defects and defect dependencies
• Codebase management
Built-in Platform Governance Ensuring Microservice based application is delivering the intended result,
automated corrective action when it is failing to do.

More Information about Macaw
Downloads
- Get free editons of AWS / Oracle / On-Prem
- Get Macaw Enterprise Edition
References
- Getting Started (How to Videos)
- Macaw Datasheet
- Macaw Architecture
- Rishidot Report
Contact
info@macaw.io

Thank You

Microservices oracle-meetup

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