Process and system evaluating deterministic behavior of a...

Details Process and system evaluating deterministic behavior of a... Process and system evaluating deterministic behavior of a...

2008-07-01

2008-07-01

Cardone, Jason (Department: 2145)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network monitoring

C709S234000, C370S229000, C370S252000

Reexamination Certificate

active

10717659

ABSTRACT:
A process and system for evaluating the deterministic behavior of a packet switching network including subscriber stations connected to each other through at least one switch, the behavior defined as deterministic if any packet sent on the network from a source subscriber station joins the destination subscriber station(s) within a limited time. The process and system determines if each output port from each switch on the network satisfies the relationship:i⁢⁢number⁢⁢of⁢⁢virtual⁢⁢linkspassing⁢⁢through⁢⁢the⁢⁢buffer⁢⁢[1+int⁡((Jitter⁢⁢In)i⁢i+max⁢⁢LatencyBAGi)]*(max⁢⁢frame⁢⁢duration)≤latencyin which: the max latency value is a maximum residence time in an output buffer of a switch, this value may be different for each switch in the network, BAGi is a minimum time between two consecutive frames belonging to a virtual link i, before they are transmitted, (Jitter In) i is Jitter associated with a virtual link i that represents a time interval between a theoretical instant at which a frame is transmitted, and its effective transmission that may be before or after the theoretical instant, and (max frame duration) i is a duration of a longest frame on the virtual link i.

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U.S. Appl. No. 10/717,496, filed Nov. 21, 2003, Saint Etienne et al.

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