deploying and managing ip over wdm networks - Index of

Management of the IP Network Layer 47
queuing or PHB configuration, and they usually do not offer an open interface
for external applications, such as an external network level manager).
3.5.3.1 Jasmin
The Distributed Management working group (DISMAN) of the IETF has
developed a standard for distributing and invoking network management
scripts [25].
Jasmin is a joint project between the Technical University of
Braunschweig and NEC C&C Research Laboratories to evaluate and enhance
this standard by providing and studying an implementation with distributed
network management applications.
The implementation supports multiple languages and runtime systems. A
script MIB extensibility protocol (SMX) allows for plugging to additional runtime
systems. By now, two runtime systems have been implemented in this project:
one is based on the Java virtual machine and another one is support Tcl.
Furthermore, the script MIB can be used for policy-based configuration
management.
3.5.3.2 Ponder
Ponder is a language for specifying QoS and security policies for distributed
systems. It has been developed as part of an ongoing research into the use of
policies in distributed systems management [26]. Also a complete toolkit has
been developed to support the users of the language. Available components
include:
• A Ponder compiler. The compiler for the Ponder specification language,
which consists of a syntax analyzer, a two-pass semantic analyzer, and a
default Java code generator for policies;
• A Ponder policy editor. A customizable text editor for the Ponder language,
written in Java, which has all the basic features of a text editor
and includes features that make text editing Ponder policies easy;
• Ponder management toolkit. The management toolkit has been designed
to allow for the addition of tools to be managed from a central management
console.
The Ponder framework uses an LDAP repository for storage of managed
objects and system policies. The research community has been involved in
the area of policies for management of networks, identifying different types of
policies [27, 28].