Ocelot Pluggable Gateway

Ocelot is a pluggable gateway that you could install on top of ASP.net core project. This presentation presents a basic use-case of API gateways and how Ocelot is a perfect API Gateway for financial organizations.

Transcript

1. Allan A. Chua
   Pluggable API Gateway
   OCELOT
   https://bit.ly/2HmVKq1
   

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2. Use Cases
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   Cautions
   Agenda
   

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5. Products
   API
   Customers
   API
   Transactions
   API
   Orders
   API
   Deliveries
   API
   Microservices
   Monolith
   Application
   

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6. Products
   API
   Customers
   API
   Transactions
   API
   Orders
   API
   Deliveries
   API
   Microservices Expectation
   

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7. Products
   API
   Customers
   API
   Transactions
   API
   Consumers face a lot of challenges
   Orders
   API
   Deliveries
   API
   o
   X X
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8. Multiple Retrieval
   + Attack Points
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   Multiple Domain
   Names, SSL Certs
   and CORS
   http://foo.com
   http://bar.com
   http://ses.com
   Authentication
   Hell
   Client-side Issues
   

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9. Products
   API
   Authentication
   Rate Limiting
   Logging
   Orders
   API
   Authentication
   Rate Limiting
   Caching
   Transactions
   API
   Authentication
   Logging
   Caching
   Clients / Consumers
   Inconsistencies and Duplications
   

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10. To solve these,
    API Gateways are
    introduced
    

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11. Products
    API
    Customers
    API
    Transactions
    API
    Orders
    API
    Deliveries
    API
    Stocks
    API
    API Gateway
    API Gateway to the Rescue
    

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12. Do you mean a
    Reverse Proxy?
    

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13. Proxying is one of the jobs of a gateway.
    API Gateway
    Authentication
    Rate Limiting
    Logging
    Reverse Proxy
    Caching
    Monitoring Tracing Authorization
    Authorization
    

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14. Centralized Cross Cutting Concerns
    API Gateway
    - Logging
    - Authentication
    - Rate Limiting / QOS
    - Licensing
    - Monitoring
    - Tracing
    

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15. Faster Cross-
    continental calls
    due to Response
    Aggregation
    

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16. ASIA Europe
    Cost of Communication 55 MS
    Latency
    SSL Handshake
    

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17. Consumer
    ASIA Europe
    Products
    Transactions
    Users
    Latency of 55 MS
    55 MS x 3 = 165 MS
    Total Response Time
    W/O Gateway
    

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18. Consumer API Gateway
    ASIA Europe
    Products
    Transactions
    Users
    Latency of 55 MS
    Latency of 2 MS
    With Gateway
    Asia to EU = 55 MS
    EU to EU = 2 MS x 3 instances
    TOTAL Response Time = 61 MS
    

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19. Public / Private APIs
    API Gateway
    Orders API Stocks API Products API
    A C
    B A B A B
    PUBLIC
    PRIVATE
    Jobs
    E
    D C
    D C
    D
    

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20. Ocelot API Gateway
    - Designed for .NET Core
    - ASP.net Core Add-on
    Install-Package Ocelot
    https://bit.ly/2JptJBR
    

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21. Advantages of using Ocelot
    - Open source (Free)
    - Flexible
    - On-Premise
    - Cloud
    - Compliance Friendly
    - Easy to Migrate
    

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22. Feature Packed
    - Reverse Proxy
    - Response Aggregation
    - Service Discovery
    - Consul
    - Eureka
    - Kubernetes
    - Authentication / Authorization
    - Rate Limiting
    - Caching
    - QOS via Polly
    - Logging
    - Tracing
    

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23. Integrations with
    

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24. Docker Compose Demo
    API Gateway
    Products
    Users
    Transactions
    https://bit.ly/30e98Fx
    

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25. Downsides
    - No enterprise support
    - Framework lock-in
    - No API management
    

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26. Links
    - (API Gateway Comparables) - https://bit.ly/2KU1YCL
    - (API Gateway in a Nutshell) - https://bit.ly/2O4IbAU
    - (Ocelot Compose Demo) - https://bit.ly/30e98Fx
    - (Ocelot Documentation) - https://bit.ly/2KpUBCI
    - (Speaker Deck) - https://bit.ly/2HmVKq1
    

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