Package switching network with a deterministic behavior

Details Package switching network with a deterministic behavior Package switching network with a deterministic behavior

2003-11-21

2008-09-30

Yao, Kwang B. (Department: 2616)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S235000

Reexamination Certificate

active

07430180

ABSTRACT:
A packet switching network including subscriber stations connected to each other through at least one switch, which has a behavior defined as deterministic in that any packet sent on the network from a source subscriber station joins the destination subscriber station(s) within a limited time. In the packet switching network each output port from each switch on the network satisfies the relationship:∑i⁢⁢number⁢⁢of⁢⁢virtual⁢⁢links⁢⁢passing⁢⁢through⁢⁢the⁢⁢⁢buffer⁢⁢[⁢1+int⁡((Jitter⁢⁢In)i+max⁢⁢LatencyBAGi)]*(max⁢⁢frame⁢⁢duration)≤latencyin which: the max latency value is a maximum residence time in an output buffer of the at least one 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)iis Jitter associated with the 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) is a duration of a longest frame on the virtual link i.

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