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通信领域专业术语中英文对照翻译(一)
C
连接性故障管
理
Connectivity
Fault
Management
(CFM)
E
封装
Encapsulation
是一种端到端业务级的
OAM
协
Connection
)进行主动的故障诊
断。
通过使用故障管理 功能有效
的降低网络维护成本,
提高以太
网的可维护性。
封装是分层协议所采用的一种
映射进底层协议的数据部分,
数
据外 层由底层协议开销封装,
构
成底层协议报文结构。
如来自
IP
协议的
IP
报文,映射进
802.1Q
协议的数据部分,
外层由
8 02.1Q
It is an end-to-end OAM protocol, used to
(Ethernet Virtual Connection). Using fault
management function is effective to reduce
the network maintenance cost and improve
the maintainability of the Ethernet
Encapsulation
is
a
technique
used
by
protocol
accepts
a
packet
from
a
higher
level
protocol,
then
places
it
in
the
data
portion
of
the
lower-level
frame.
Such
as
an
IP
packet
from
IP
protocol
is
placed
into
the
data
portion
of
802.1Q,
its
frame
head,
so
as
to
form
a
VLAN
frame
structure
以太网线性保
护倒换
Ethernet Linear
Protection
Switching
(ELPS)
基于
ITU-T
G.8031
标准的
APS
(
Automatic
Swi tching
)
协议,
用于保护一条
以太网连接,
它是一种端到端的
保护技术。
包括两种线性保护方
式:线性
1:1
保护倒换和线性1+1
保护倒换。
基于
ITU-T
G.8032
标准的自动
以太网环网保
护倒换
Ethernet Ring
Protection
Switching
(ERPS)
Protection
Switching
)协议,是
一种专门应用于以太 网环的链
路层协议,
正常情况下,
它在以
太网环中能够防止数据环路引
起的广播风暴,
当以太网环上链
路或设备故障时,
能迅速切换到
ITU-T
G.8031
standard
based
APS
is an end to end protection technology used
to
protect
an
Ethernet
connection.
It
includes
two
kinds
of
linear
protections:
linear
1:1
protection
switching
and
linear
1+1 protection switching.
ITU-T
G.8032
standard
based
Automatic
dedicated
protocol
used
in
link
layer
protocol
of
Ethernet
ring.
Normally,
in
Ethernet
ring,
it
can
prevent
broadcast
storm which is caused by data loop, when a
failure
occurs
to
Ethernet
ring
link
or
equipment,
it
can
rapidly
switch
to
the
recovery
议,
用于对
EVC
(
Ethernet Virtual
conduct
active
fault
diagnosis
to
EVC
技术。将来自上层协议的报文,
layered
protocols
in
which
a
low
level
帧头封装,构成
VLAN
帧结构。
outer-layer
is
encapsulated
by
802.1Q
Protection
(Automatic Protection Switching) protocol
保
护
倒
换
(
APS
,
Automatic
protection
switching
(APS)
protocol
is
a
备份链路,保证业务快速恢复。
backup
link
to
ensure
rapid
business
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