I Love APIs 2015: The "State" of your API: Common Use Cases for Storing Data

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State of your API !Steven Richardson, Carlos Eberhardt,

David Allen

Storing State: So Many Options Options are good, too many can be confusing. How do you decide which store to use for state?

Today we’ll provide guidelines! Why should you trust us?

We are not crackpots! - Steve – 4 years building solutions for enterprise customers. - David – super smart dude who happens to really know Edge. - Carlos – over 3 years talking to customers and prospects across a variety of verticals.

What is State?

3 ©2015 Apigee. All Rights Reserved.

•  Pattern of Application Behavior •  State is information that is available to your API at a defined moment

Common Reasons for State

• Application Scoped Configuration • Business Rules • Extended Authentication • Performance Tuning • Storing Server Credentials • Support Complex Workflows • Simulate Transactions


Good reasons to keep state

• Application Scoped Configuration • Extended Authentication and Identification • Performance tuning • Storing Server Credentials


Common States

• Organization • Environment • Proxy • Developer • Client Application • Product • Request


Available state stores to Edge

• Custom Properties • Cache • Key Value Map • JS resource • Vault • BaaS


Combo power - which stores to use when


KVM Best used when managing Simple Global Properties that will change

Cache Best used for growing state full information

JS Resource Best used for JSON configuration or configuration that doesn’t change often

Vault Best used when using a node container to store credentials

BaaS Data shaping, and enrichment

Common examples


BaaS Example – Enhanced Retail


Product System

BaaS

API

-  “Like” Product -  Recommendations -  Social Sharing -  Etc.

01001000 01010100 01010100

Users Likes Social Info

CAP Theorem


RDBMS

JS Resource

KMS / Vault

Cache

Consistency

Fault Tolerance Availability

When to go outside the Edge

• Transactional data-store •  If data has a life-cycle outside of Edge •  If you need atomic consistency


Understanding State

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•  State can be useful •  Understand what’s available to avoid pitfalls •  Leverage the community at community.apigee.com

Questions?


I Love APIs 2015: The "State" of your API: Common Use Cases for Storing Data

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