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Ensuring QOS Gurantees in a hybrid OCS/OBS Network

ISSN : 0975-7023
Undergraduate Theses from gdlhub / 2017-08-14 11:52:34
Oleh : Sunish Kumar O S, International Journal of Next-Generation Networks
Dibuat : 2012-07-02, dengan 1 file

Keyword : Optical Burst Switching, Optical Circuit Switching, QoS, Link failure recovery, Burst Aggregation, Packet loss rate
Subjek : Ensuring QOS Gurantees in a hybrid OCS/OBS Network
Url : http://airccse.org/journal/ijngn/papers/4112ijngn02.pdf
Sumber pengambilan dokumen : Internet

The bursting aggregation assembly in edge nodes is one of the key technologies in OBS (Optical Burst


Switching) network, which has a direct impact on flow characteristics and packet loss rate. An optical


burst assembly technique supporting QoS is presented through this paper, which can automatically adjust


the threshold along with the increasing and decreasing volume of business, reduce the operational burst,


and generate corresponding BDP (Burst Data Packet) and BCP (Burst Control Packet). In addition to the


burst aggregation technique a packet recovery technique by restoration method is also described. The data


packet loss due to the physical optical link failure is not currently included in the QoS descriptions. This


link failure is also a severe problem which reduces the data throughput of the transmitter node. A


mechanism for data recovery from this link failure is vital for guaranteeing the QoS demanded by each


user. So this paper will also discusses a specific protocol for reducing the packet loss by utilizing the


features of both optical circuit switching (OCS) and Optical Burst switching (OBS) techniques.

Deskripsi Alternatif :




The bursting aggregation assembly in edge nodes is one of the key technologies in OBS (Optical Burst


Switching) network, which has a direct impact on flow characteristics and packet loss rate. An optical


burst assembly technique supporting QoS is presented through this paper, which can automatically adjust


the threshold along with the increasing and decreasing volume of business, reduce the operational burst,


and generate corresponding BDP (Burst Data Packet) and BCP (Burst Control Packet). In addition to the


burst aggregation technique a packet recovery technique by restoration method is also described. The data


packet loss due to the physical optical link failure is not currently included in the QoS descriptions. This


link failure is also a severe problem which reduces the data throughput of the transmitter node. A


mechanism for data recovery from this link failure is vital for guaranteeing the QoS demanded by each


user. So this paper will also discusses a specific protocol for reducing the packet loss by utilizing the


features of both optical circuit switching (OCS) and Optical Burst switching (OBS) techniques.

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