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* In fixed reservation scheme,
the end host request the resource at the router level before a flow is
established
* Each router then allocates
enough resource to satisfy the request
* If the request cannot be
satisfied at some router, because resources are unavailable then the router
rejects the flow.
* In Adaptive reservation scheme,
the end host being sending data without first reserving any resources at the
router and then adjust their sending rate according to the feedback they
receive.
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