Performance Assessment of Optical Burst Switched Degree-Four Chordal Ring Networks
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Abstract
This paper presents a performance analysis of optical burst switching (OBS) networks with degree-three and degree-four chordal ring topologies. The analysis considers just-in-time (JIT), Jumpstart, JIT + , just-enough-time (JET) and Horizon signaling protocols. For a network with 20 nodes and for the considered traffic loads, it is shown that the nodal degree gain due to the increase of nodal degree from two (ring) to three (degree-three chordal ring) is between one and two orders of magnitude in the last hop of each topology, whereas the nodal degree gain due to the increase of nodal degree from three (degree-three chordal ring) to four (degree-four chordal ring) is between two and three orders of magnitude. It is also shown that the performance of the five signaling protocols above referred is very similar.
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