22
.
.
---- ._- -· ----------..- ..--.;.._·--·--1'-
.
.
•
Label
management support for various
label
operaUon5, lnctudlng · .
•
Labelassignment
modes (topology-drivenanct data-driven)
.
•
LabelcontrOl (fridependent andotdered)
··
•Labelretentionmodes ( beraland retention)
.
•Discovery mechanisms support
tor bothbasic and&)(\ended mOdes
.. . ......· .·
.·.·.· . .
.
.·
•.lilbeldislnbutlonJhat suppofiS both doWnstrel!m-on-demantl and uilsolii: edmethods
•
Contralnt4lased traffic engineered routes (CR·LDP) for
OOS/CoS
·
•
LSP funnel creation and labelstacldng
. ..
...
.
·
•
Stream
mergtnglag!lregatio!lfor
ATM
lnterfaee support
...
. ...
.. . .
. . .
.. . ....
., L<!Op
detection mechanisms during LSP support
uSing paih vector andbop counts ·
•Mullipath TEP setup cepabifity for load.balancing ·
.
•
MIB
support f9r
UB andFIB
entries
.
Gambar
2.8 Cara
Kerja
Dasar MPLS
(Sumber
Voice Over MPLS
hal.137)
Arsitektur
MPLS
menjabarkan
mekanisme
untuk
menunjukkan
label
switching,
yang
mengkombinasikan keuntungan
dari
pengiriman
paket
di
layer
2
switching
dengan
keuntungan layer
3
routing.
Sarna
seperti
jaringan
layer
2
(contoh
:
Frame
Relay
atau
ATM),
MPLS
memberikan
label
ke paket
untuk diangkut
melalui
jaringan
berdasar
 |