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 TCPIP Products
Barracuda™ WNMP
Web Network Management Protocol is a product that enables the simple and flexible administration and monitoring of embedded systems using ordinary web-browsers. WNMP includes development tools that make it easy to build custom solutions..
WNMP Clients
The WNMP client is a program that administers or monitors a system. In contrast to SNMP (Simple Network Management Protocol), no special program running on the client system is needed. Instead, ordinary web browsers are used. This makes it possible to easily make modifications from any kind of computer, or even from a modern cell phone. It is also possible to monitor a number of systems simultaneously using a single web browser or, using a script language, to administer them automatically.
WNMP Server
WNMP operates by installing a special web server in each system, to be monitored, that includes support for displaying and modifying the available parameters. The web server used is Barracuda (www.smxrtos.com/rtos/tcpip/barracuda) under which WNMP runs as a web application. It is possible for Barracuda to run a number of applications concurrently with WNMP.
The parameters to be monitored and/or modified via WNMP are defined in separate modules, making it possible to combine arbitrary modules for each server. WNMP parameters can have many different data types, such as 32 or 64-bit integers, strings, ip addresses, etc. A parameter can even be read-only or allow both reading and writing.
Example
The example to the right illustrates a view of administration in a web browser. All communication to and from the client uses the web protocol HTTP. This communication can be configured to use a different port than the standard TCP port 80.
WNMP Editor
Using the graphical WNMP editor, the creation of a model containing all relevant parameters is both simple and quick. It is possible to import existing MIB files from SNMP into the model in order to get started quickly. The program is interactive, which makes it possible to modify structures and data types as the model is being developed.
When the model is ready for testing, the program generates WNMP-adapted C code. This creates all code that is necessary for administering the tree structure and also generates stubs for the GET and SET operations that the model permits.
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Features
- Device management via web browser.
- Special SNMP client software and MIB tools not requried.
- Includes graphical editor to create model.
- Accepts existing MIB files.
- Creates hierarchical information structure.
- Support for integers, strings, enumerations and bit fields.
- Generates well-formatted C code to link with embedded application.
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