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If you have to store, retrieve, view or print large documents via the web or your own network you will probably have problems with speed of delivery. Trapeze Webstreamer makes all this fast and easy.


  • VFC™ technology allows unbelievably fast retrieval and storage of very large documents over the web. Tests show speeds 5 to 50 times faster than alternative systems.
  • Trapeze Webstreamer allows secure transmission of documents even over insecure network links – and from any of your organisations datasources.
  • Hugely reduced time spent searching and retrieving documents.
  • Slash the costs of document retrieval and delivery from off-site archives.
  • The entire, Trapeze Webstreamer solution can be plugged into your system through simple integration adapters.
  • A Trapeze Desktop Java applet allows your customers to have Trapeze Desktop functions such as image enhancement, annotations, thumbnail viewing, folder and document navigation, zoom, rotate, fit to page and print.
  • When a remote user opens a document Webstreamer immediately starts streaming the document and the first page is immediately displayed. However, as far as the user is aware, they have the whole document. With Webstreamer continuing to stream more data, a user can quickly get to any part of the document by using the navigation tools, thumbnails or bookmarks.
  • Trapeze Webstreamer uses a purpose developed protocol named OTTP ( similar to HTTP and FTP ). This protocol is used for the co-ordination of data delivery, authentication, remote image editing, draft images, encryption and billing.
  • OTTP will also run over HTTP Networks. This allows the use of OTTP protocol through firewalls over HTTP. A Tunnel allows organisations the security of a firewall, and the ease of use of the image documents without any limitations.
  • Tests have shown that retrieving images through an intranet, extranet or Internet are displayed 5 to 50 times faster using Trapeze Webstreamer than with other products that use the normal method (HTTP) of delivery. For example, an eighty page document was delivered for use 45 times faster over a network running at 128Kbits/second using Trapeze Webstreamer than via an alternative imaging product using HTTP.
  • Trapeze Webstreamer can automatically generate and deliver low resolution, “draft” copies of the original image for each page. Draft images are typically 3- 10 times smaller than the full resolution images. This method enables users to quickly navigate through large numbers of images and significantly reduce network traffic.
  • Although the user feels as though they have the whole document in front of them, in fact only the pages they want to read are downloaded. For many documents, only the first page or a section of a document is needed.
  • If a user selects pages to be printed from bookmarks or thumbnails, only those pages are downloaded. Printing speed is much faster and network traffic is greatly reduced.
  • Trapeze Webstreamer documents can be indexed on-line without downloading any document pages at all. Using Trapeze bookmarks to search for a page within a folder or document can also save time.A bookmark folder can be a document full of pages, a file full of documents, a chapter, a tab in a folder or a temporary collection of pages or documents. Trapeze bookmarks do not have to be hierarchical - a major drawback of most folder systems. They can be named any way you want and can contain any pages you want. Creating, altering or deleting bookmarks or folders does not affect the images in the file, only the bookmark index.
  • If a user places an annotation on a page (e.g. sticky note, stamp or a hand written signature) Webstreamer does not send the document, or even the page, back to the server - it simply sends the annotation itself . The server then appends the annotation to the document prior to saving the document. This makes saving  documents with annotations quick and easy without lengthy delays often associated with saving documents over the web. Most annotations are vector based and therefore small and quickly transmitted.
  • The unique billing system can be customized to suit your organisation's needs and enable billing by the page or by the complete document.
  • Trapeze Webstreamer can authenticate users througt your existing security system. You can restrict some to read only access, others may not be allowed to see certain annotations, and yet others may be able to have full edit rights, all controlled from your existing security system.

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Technical stuff

  • Trapeze Online easily integrates into your environment: Windows 95/98/Me/XP/Vista/Win 7, NT4(SP4)/ Server 2000, 03, 08.
  • Trapeze Webstreamer includes interactive web based NT authentication, virtual photocopying, remote image annotation, 128 bit encryption and much more!
  • At the core of Trapeze Webstreamer is its image server, the Webstreamer Server. This server is written in POSIX compliant C. It runs as a service under Windows 2000 and above, and under Lunix, IBM S/390, and other Unix platforms.
  • With Trapeze Webstreamer, the entire, ready-made delivery solution can be plugged into a host system through the design and development of a small number of simple integration adapters, which are registered within the Webstreamer server environment.
  • Even slow machines will support many users. Under test, a 350 MB Pentium III single processor Compaq PC with 192 MB RAM running Windows NT4 delivered 1500 pages per minute to 100 concurrently requesting users.
  • The Trapeze Desktop is approximately 1.5 Mb in size. It is written in C. It is available as an application, a Netscape plug-in or a programmer’s plug-in (as a DLL).
  • Trapeze Webstreamer supports a Public/Private Key 40 bit and 128 bit encryption standard. Image data can be kept secure without having to implement an SSL layer.
  • Trapeze Desktop Java edition requires an operating system that will support the Java Engine Version 1.1 or greater.
  • Trapeze Desktop requires Windows version 98 or later.
  • The HTTP Tunnel Server requires Microsoft Internet Information Server or IBM Websphere Internet Server.
  • Adaptors provide the integration between Trapeze Webstreamer and the controlling application. Users have written them in Java, C, C++, Delphi and PowerBuilder. Onstream provides compiled executables and libraries for the major Adapter types as well as the source for them, and these can generally be implemented with little or no change.
  • Trapeze Webstreamer allows you to specify whether each of your integration Adapters is to be run in-process (ie as a DLL) or out-of-process (ie as an executable file).
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