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engine:on_demand:description [2012/08/18 13:48]
engine:on_demand:description [2018/02/01 18:15] (current)
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-===== Introduction ​===== +===== Hosted Software Platform ​===== 
-LTU engine/ON demand is a hosted software platform that provides ​quick and seamless ​access to LTU  +LTU engine/ON demand is a hosted software platform that provides access to LTU Techcomprehensive image recognition functionalities. The LTU engine/ON demand platform is highly flexible and is designed to adjust and scale with changing demands
-technologies’ comprehensive image recognition functionalities. ​+
-The LTU engine/ON demand ​platform is highly  +A single account for LTU engine/ON demand ​can be used to add image recognition functionality to multiple applications.
-flexible and is designed ​to adjust and scale with changing demands+
-A single account for LTU engine/ON demand can be used to add image recognition functionality to  
-multiple applications. Designed as a toolbox including image matching and similarity search, you can  
-select the features needed today and freely add and remove functionality without having to acquire new  
-software licenses or adjust IT infrastructure in the future. ​ 
-===== Service Modes ===== +===== Administration Console ​===== 
-The LTU engine/ON demand ​Modify API works in two modesAsynchronous and Synchronous +The LTU engine/ON demand ​Administrative Console is accessed via. 
-Asynchronous mode is designed for important batch tasks, whereas synchronous mode is best to use  +URLhttps://www.ltu-engine.com/  
-during your initial testing with smaller amounts of images and when you need real-time updates for your  +\\  
-application.  +See the Administrative Interface section below.
-The LTU engine/ON demand Query API is synchronous+
-All applications are by default initially set up in sync mode so you can start your tests and integrations  +**LTU engine/ON demand** has the same Administrative Interface as the licensed version ​of LTU Tech software: ​ **LTU engine/​server**   
-with a smaller set of images immediatelyWe highly recommend switching ​to asynchronous mode when  +Some aspects unique ​to LTU engine/ON demand found in comments marked with this symbol: ​ :!:  
-you are ready for your first batch upload of large image sets. Contact ​LTU support to switch an  +===== Application Programmming Interfaces =====
-application from asynchronous to synchronous mode and vice versa. If you need both modes to run in  +
-parallel you will need to set up two separate applications. ​+
-==== Asynchronous mode ====+JSON API:  the JSON API is the recommended API for new applications. ​ The licensed version of LTU engine includes the JSON API, which facilitates the porting of applications from LTU engine/ON demand to LTU engine/​server. ​ Query examples in the JSON API documentation generally reference LTU engine/​server. ​  
 +:!: LTU engine/ON demand users will know to adjust the query examples to the proper /ON demand references. ​
 +===== Integration Check List =====
-In asynchronous mode modifications ​to your database (add and remove images) will not immediately take  +Below is a quick checklist ​to help prepare for the integration of LTU engine/ON demand
-effect. Modifications typical occur within 10 hours by default (contact ​LTU support if your application  +
-requires a different refresh schedule+
-All database updates are made in this mode -meaning ​that each query you make will start an action, but  +  ***Signature type** ​  What feature(s) needed? (similarity,​ matching, color)  
-the query will return before ​the action is finished – database ​updates are basically queued ​and processed ​ +  ***Storage**  
-as they occur. ​ +    *Estimate the number of images ​that will be included for the application ​ 
-==== Synchronous mode ====+    ​*Estimate ​the image volume changes per month on this application  
 +  ***Search**  
 +    *Estimate number of searches per month  
 +  ***Development**  
 +    *List the public IP addresses of all machines that will make direct calls to the API interface.  
 +    *Launch sample code provided by LTU Tech to check that everything works  
 +    *Start development and unit test  
 +    *Validate (pay attention at the refresh delay per application)  
 +    *Empty ​the database and start loading content for the application ​ 
 +  ​***Production** ​ 
 +    ​*Monitor the number of queries per month (also available on the LTU engine/ON demand administrative console)  
 +    *Continuously evaluate the capacity used monthly in terms of queries and image database volume ​
-In synchronous mode, when you query the Modify API the system will instantly process the query, update ​ 
-the database and your application. ​ 
-Administration Console ​ 
-The LTU engine/ON demand Administrative Console is accessed via. 
-URL: https://​www.ltu-engine.com/ ​ 
-See the Administrative Interface section below. 
-LTU engine/ON demand has the same Administrative Interface as the licensed version of LTU software: ​ LTU engine/​server. ​   
-Some aspects unique to LTU engine/ON demand found in comments marked with this symbol: ​ :!: