Customers often ask me about InDesign Server. InDesign Server? Yes, it’s true. InDesign is available as a server, which makes document automation possible for many kinds of businesses. It offers InDesign functions as a service, accessible through SOAP or other communication protocols. It is not the desktop version of InDesign available in a browser.
- Make greeting cards
- Produce mutual fund documentation
- Generate personalized mail pieces
- Assemble and print on-board schedules on a cruise ship
- Render InDesign documents as PDF for online delivery
- Layout quarterly catalogs for industrial parts suppliers
These are but a few of the use cases for which InDesign Server is appropriate. In all cases, InDesign Server is part of a larger business process, usually driven by a web site or a Digital Asset Management (DAM) solution such as Adobe Experience Manager (AEM) Assets. InDesign Server is also included as a component of many commercial Variable Data Publishing (VDP) and Print on Demand (POD) solutions, but those servers are licensed only for use with those commercial solutions. You can learn more about InDesign Server partners at the InDesign Server Partner Guide.
InDesign Server is a service, really, that responds to questions like:
- “Hey, InDesign Server. If I give you this InDesign template, can you merge this XML file onto it and then give me back a print-ready PDF?”
- “Hey, InDesign Server. Here’s an InDesign Document. Can you extract all of the text frames as RTF files and re-link them back to their original frames and then save InDesign file as a new document with _relinked added to its name?”
- “Hey, InDesign Server. Can you make a new document, import the style sheets from this other document, then import all of the images in this folder, each on a new page, and apply the object style ‘image’ to each image and put a metadata caption with the copyright data in the lower right hand corner of each image, and then export each page as a new PDF with the file name corresponding to the filename of the image placed onto it?”
Here’s three questions you need to ask to help scope an InDesign Server application, and then some more detail about InDesign server.
- Will your use case allow internal and external users to access the InDesign Server directly? If you use InDesign Server to render an InDesign document as a jpg or pdf and then post the jpg or pdf on your web site, the end user does not have direct access to InDesign server. If you make a web form that lets your end user customize a document and deliver it to them on demand, they do have direct access to the InDesign server.
- What is your failover or disaster recovery requirement? The deployment architecture allows for both multiple dedicated servers as well as multiple instances on servers with multiple cores. The licensing will depend therefore on how you mix dedicated servers and instances on those servers.
The deployment architecture will also depend on maximum expected throughput. We usually look at the peak demand per minute or quarter hour or hour, depending on the use case, as well as the end user tolerance for delay between requests and results.
- How do you plan to support development for InDesign Server applications? Deployments typically have one or more development instances, and then two or more dedicated production servers with multiple instances available on each server to provide fault tolerance.
InDesign Server is available as an add-on to a managed services instance of AEM. Customers can also purchase InDesign Server on their own from their channel partner or from Adobe directly, depending on their relationship with Adobe. 60-day Trials are available at http://www.adobe.com/cfusion/tdrc/index.cfm?product=indesign_server
InDesign Server is licensed based on use case and deployment architecture, and it is available as an annual subscription like Creative Cloud. Enterprise customers can license in three year terms as part of an Adobe Enterprise Term Licensing Agreement (ETLA). Other customers can purchase annual subscriptions from their favorite Adobe reseller. Consult the Indesign Server Buying Guide for more information.
Across the use case axis, there is Limited and Premium.
- Limited allows a customer to use InDesign Server for an application that only their employees can access. It does not allow the customer make an interface that exposes the InDesign Server to any external user. They would purchase Single- or Multiple-Instance licenses depending on how many documents they would process per day, hour or minute.
- Premium allows a customer to use InDesign Server for an application that external users could access as well as internal users. Consider the photo book use case where they have a web site that allows customers to upload their photos and buy a photobook. The book is made using InDesign Server driven by a web application. Again, volume would determine whether you would choose Single- or Multiple-Instance licenses.
The deployment architecture axis has two options as well: Single-Instance or Multiple-Instance.
Single-Instance allows one instance of IDS per server per license, and Multiple-Instance allows multiple instances of IDS per server per license. There is no CPU counting required, as the Multiple-Instance license includes an unlimited number if instances on the same server hardware. For instance, if a customer has a 16 core dedicated server with 32 GB of RAM, they could use one IDS Multiple-Instance license and kick off 15 simultaneous instances of IDS at a time (InDesign Server is single-threaded and uses a single core per instance and ideally 2GB of RAM). Other customers choose to deploy many Single-Instance servers on different hardware for fault tolerance and disaster recovery. InDesign Sever has a job queue manager, but many customers choose to build their own queue manager and load balancer. Adobe Experience Manager includes an InDesign Server load balancer and queue manager as part of its integration with InDesign Server. Some customers choose to deploy many Single-Instance servers, while others choose to deploy few Multiple-Instance servers, based on their requirements and available server resources.
How do you decide whether to choose Single- or Multiple-Instance architecture? It is common for high volume use cases to have at a minimum of two Multiple-instance servers, each that can process multiple simultaneous jobs. Two servers provides for fault tolerance, but it does not account for disaster recovery, which would include another instance in a different data center. The number of servers is usually determined by the typical job characteristics measured in seconds to process a typical job, divided by the number of available instances, and compared against the maximum number of jobs that are expected to be processed in a meaningful time interval, usually one minute to an hour. If you are running a financial services company that is generating three hundred complex proposals per hour, and each proposal takes 15 seconds to process, and you have 3 cores available on your server, then your server can handle 3 jobs/15 seconds * 3600 seconds/hour = 720 jobs per hour. Since you need to process 300 jobs per hour, per proposal type, you have enough capacity. But, if you need to know if you can handle the volume at the end of the trading day, when you only have 15 minutes and not an hour to get the proposals out, then your server will fall short and you should likely add another server or two to the cluster.
The last consideration is how you plan to develop and test your applications. You should have at a minimum of one development server that matches your deployment configuration, and there is a Development license available with the same use case and architecture considerations. Developers use their development tools of choice. It is common to use the ExtendScript Toolkit, which is part of Creative Cloud. Using ExtendScript Toolkit, developers can connect to a desktop InDesign to test and debug their scripts. Once they are satisfied with the performance and results, those scripts would either be moved to the InDesign Server Scripts folder or would reside in the web application or DAM, which would send the scripts as part of their job payload.
InDesign Server offers customers document automation capabilities that can provide brand consistency, high volume document creation and even new business opportunities. Whether part of a commercial solution or part of a custom application, InDesign Server delivers performance, flexibility and quality to automated document processing.
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