Xin-yi QIU, Jun LI, Jian-er ZHOU, et al. New delay measurement method based on accurate timestamp in OpenFlow[J]. Journal on Communications, 2017, 38(11): 178-187.
DOI:
Xin-yi QIU, Jun LI, Jian-er ZHOU, et al. New delay measurement method based on accurate timestamp in OpenFlow[J]. Journal on Communications, 2017, 38(11): 178-187. DOI: 10.11959/j.issn.1000-436x.2017223.
New delay measurement method based on accurate timestamp in OpenFlow
delay measurement methods in OpenFlow network have the disadvantage of excessive network resources and poor measurement accuracy.DeMon
an active mechanism to measure the delay of multiple paths between any two switch based on the controllable feature of individual traffic flow provided in OpenFlow was proposed.DeMon required only one probe packet to be send from controller
which was excepted to reduce the operational cost.Moreover
DeMon used OpenFlow switch instead of controller to get the timestamp of probe packet
making the measurement accuracy and stability have been greatly improved compared with other monitoring techniques in the OpenFlow network.
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references
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