Side_1_360

Topology2)in terms of links, subnetworks and access groups3). Connectivity in terms of trails, link connec- tions, subnetwork c ...

network level. To adapt the framework to the modelling requirements for telecom systems, a number of enhancements had to be made ...

They may either be provided as structured English text and graphical UML diagrams or by means of the formal language Z [Zintro]. ...

<COMMUNITY:tem, ROLE:topologicalLink> DEFINITION “A topologicalLink information object repre- sents ‘a link provided by on ...

3.2.2.2 Information Attribute: Link Directionality (example) DEFINITION “The link directionality attribute character- izes the a ...

tion protocol neutral fashion. Protocol specific constructs for the communication protocol cho- sen are added in the Engineering ...

The associate subnetwork with subnetwork action associates a composite subnetwork with one or more component subnetworks in a su ...

rejected. The caller may also provide a user- friendly label for his own use. This user label need not be unique within the laye ...

trail assigned to it (OBLIGATION noServer- Trail). An eventual successful output of the action is indicated to the caller (OBLIG ...

5.3 Computational Viewpoint The computational viewpoint specifies the resource provisioning interface for the delete- Topologica ...

EXCEPTIONS specifies the exceptions that may occur if any of the pre- or postconditions de- scribed above are not fulfilled, wit ...

Telektronikk 2/3.2001 1 Introduction The traditional Internet provides an unreliable best-effort packet delivery. Packets can be ...

Performance requirements and traffic character- istics are important input parameters for the design of new network components a ...

2 Measures of Interest Network services offered have various traffic characteristics and QoS requirements. Real-time services (e ...

3 Measurement Methods and Infrastructures 3.1 Introduction The specification of an actual measurement and monitoring platform de ...

generated by specialized hardware. This solution offers accuracy in the range of a few microsec- onds [Pasztor] [Fraleigh]. 3.3 ...

points. As opposed to active measurements, this approach is non-intrusive and ideally the mea- surement process does not disturb ...

length distributions and link utilization. Hence, these metrics can be computed locally at the PC that captures the packet trace ...

Class 1 – throw away any unwanted informa- tion contained in the packet trace. The trace can be filtered such that only selecte ...

Obviously, the actual handling and post-process- ing of measurement data depends on the ultimate usage of the measurement data a ...