Beyond the POC: Adopting NServiceBus

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Information about Beyond the POC: Adopting NServiceBus

Published on October 21, 2014

Author: NServiceBus



After completing a POC typically we are left with a lot of open questions, most importantly how do we adopt this thing across the organization?

How do you begin to integrate the new message patterns and concepts into your legacy code bases? How will your development teams adopt the new tools and more importantly all the new concepts?

In this session, discover how using NServiceBus transforms the way we think about design and how we approach our work. Learn how typical three tiered designs just seem to disappear and how business processes start to become workflows.

See the recorded session here:

1. Beyond the POC Adopting NServiceBus

2. Introduction Adam Fyles Solution Architect Using NSB since v1.9 NServiceBus Champ Upstate NY, US Contact Info

3. The tablescape Regional Grocery Retailer - Wine & Spirits - Restaurants 90+ Stores in 6 states Millions of customers Medium to large IT department (~250) Extremely high volume stores

4. Let me in! Lots of competitive products, why do we need another one? Batch jobs work just fine! Lack of SOA understanding Operations used to FTP

5. The progression Pub/Sub Sagas Point to Point Load Balancing

6. Load Balancing: OMS Determines how to best source product in the supply chain based on demand Inherently batch based due to wave planning in either WMS or MFG Requires massive throughput (by order line item) in a tight window No commercial system could do it without heavy custom configuration and a ridiculous amount of hardware Team was experienced PowerBuilder developers

7. Solution Solution was to decompose orders and optimize by distribution “network” Run aggregate demand through with the Distributor Distributor Worker 1 Worker 2 DB WMS Transportation Publish Orders Order Entry Order Entry Order Entry

8. Distributor Demo

9. Master Data Forecasted Orders Store Supply Chain Proliferation Corporate Purchased WMS Integration Endpoint HTTP DataBus Purchased CAO Other Systems

10. DataBus Customization Demo

11. Takeaways… Replaying messages!! Required more DevOps MSDTC Tricks Stay inside the stack

12. Point 2 Point: Mobile Built an entire REST API around all of our Marketing tools Products Recipes Shopping Lists Online Ordering Search Ratings and Reviews It must be fast and durable!

13. Request/Response is not an option

14. Mobile Solution Solution was point to point integration to backend systems of record Flaky DB Mobile API View Model Reads Writes Web 3rd Party Writes NSB

15. Customer Facing Proliferation API Reads RX Portal Offisite Vendor RX System Writes NSB Writes Customer Care RX Service Desk

16. Custom Fault Manager Demo

17. Takeaways… Asynchronous performs well Messaging trumps fragile backends Leverage local resources

18. Pub/Sub: Pricing Legacy Mainframe System Lots of price changes Wide Distribution Network All Stores – POS, Scales, Signs Online – Web, mobile, email

19. Legacy Integration Find the weak point where you can enter the host

20. Solution DB Publisher Mobile Email Web Signs Scales POS Mainframe CDC

21. Workflow: Benefits Registration Series of questions Plan selection Open window of opportunity

22. Solution Step 1 Step 2 Step 3 SharePoint Site NServiceBus Saga Storage Reporting Metrics

23. Takeaways… Don’t reinvent the wheel Focus on business process

24. Sum it up!

25. Efficiency

26. Focus

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