Need help with my writing homework on Critical Analysis on Route Reservation in Ad Hoc Networks. Write a 2750 word paper answering; In addition to providing high bandwidth to network applications, another important emerging requirement for the future Internet is the provision of guaranteed quality of service (QoS) for real-time multimedia applications. The resource reservation protocol (RSVP) is a signaling protocol that reserves the required resources for time-critical applications so that they can be served with guaranteed minimum bandwidth and bounded delay and jitter, to meet the required QoS. Various extensions to RSVP are currently being standardized, while many other reservation protocols have also been proposed. In most of the previous reservation protocols, a connection has to be fully established before the transmission of any data packet can start. A problem with such protocols in future broadband networks is that the round-trip or one-way propagation delay required for establishing a connection is non-negligible compared to the time required to transmit the data, which leads to low link utilization since the required capacity is reserved long be-fore it is actually used, considerably affecting the maximum achievable throughput (Fig. 1a). Another problem with such protocols is that the time required to set up the connection considerably increases the latency, which is undesirable and may be unacceptable to some applications, especially those involving latency-sensitive bursty traffic.Comparison of SRRS and ordinary reservation schemes (ORS). The light shaded parts represent time segments during which capacity is reserved but not locked, while the dark shaded parts represent time segments during which capacity is both reserved and locked. (a) Ordinary reservation schemes. (b) SRRS with small äS to reduce latency. (c) SRRS with a medium value for äS to provide a tradeoff between latency and the probability that a session is not .successfully established in time (in which case data packets may have to be dropped and the throughput may de-crease). (d) SRRS with larger äS to increase throughput for latency-insensitive sessions or latency-sensitive messages with aggressive reservation. When conservative transmis¬sion is used, the acknowledgment has to be received at the source node before the transmission of any data packet can begin so that no packets are dropped due to buffer overflow.
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