Framing ATM Cells for Satellite Onboard Switching

1. Introduction There argon many reasons to interconnect send and ATM net sounds, in the main the fortuity of really fast deployment of large-scale broadband service over simple geographical areas. However, several problems arise that prevents a seamless integration of these two technologies. For example, the cellphone transport method acting should be adapted to the burst error characteristics of beam links, which are very different to those of fiber optic; the link memory plan of attack schemes should be optimized for ATM technology; more elaborate transaction management procedures are necessary in collection to substantiate the QoS of ATM connections over satellite channels; etc.[1] Several of these problems corporation be better dealt with if we allow for onboard processing. In fact, the requirement of bum and minuscular substance abuser terminals has been satisfied by the use of aggregate beams, which suggests the possibility of some form of teddy between be ams. Of course, the blank shell milieu imposes several constraints to the onboard switches, which should be added to the typical system requirements represent in terrestrial networks. These constraints include, mainly, lightweight to meet the size, mass and authority limitations of the satellite, and increase fault tolerance to meet the expected sprightliness reliableness of the satellite.

[2] For all these reasons, it has been asked if terrestrial ATM cells should be separate into frames in the first place transmission over satellite channels for onboard teddy [3]. In effect, if to each one user sends its cells directly to the satellite, the contention will work in a cell basis as soundly as the onboard switching operation! s, i.e., one contention and one switching operation per cell slot. But if we form clusters of users within each spot beam, separate their cells into frames according to their destination and sending these frames to the satellite, and then the shape of contenders, the number of contentions and the number of switching... If you want to get a full essay, order it on our website: OrderEssay.net

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