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Chuyên đê: M ng truy n d n quang
Bài 6: K thu t báo hi u trên
m ng OBS
TS. Võ Viết Minh Nht
Khoa Du Lch – Đại hc Huế
vominhnhat@yahoo.com
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M c tiêu
oBài này nhm cung cp cho hc viên các kiến thc và k năng v:
các gi i thut báo hiu
one-way, two-way, or hybrid reservation
source-initiated, destination-initiated, or intermediate-node-initiated reservation
persistent or non-persistent reservation
immediate or delayed reservation
explicit or implicit release of resources
centralized or distributed signaling
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N i dung tnh bày
oIntroduction
oone-way, two-way, or hybrid reservation
osource-initiated, destination-initiated, or intermediate-node-
initiated reservation
opersistent or non-persistent reservation
oimmediate or delayed reservation
oexplicit or implicit release of resources
ocentralized or distributed signaling
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Introduction
oA signaling scheme is implemented in order to allocate resources
and to configure optical switches for the burst at each node.
oThe signaling scheme in an OBS network is typically implemented
using out-of-band burst header packets.
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Classification of Signaling Schemes
oone-way, two-way, or hybrid reservation
osource-initiated, destination-initiated, or intermediate-node-
initiated reservation
opersistent or non-persistent reservation
oimmediate or delayed reservation
oexplicit or implicit release of resources
ocentralized or distributed signaling