“CE”是“Customer Edge device”的缩写，意思是“客户边缘

12.31 -

“PE”是“Provider Edge device”的缩写，意思是“提供程序

12.31 -

“PE”是“Provider Edge device”的缩写，意思是“提供程序

12.31 -

“VPN”是“Virtual Private Network”的缩写，意思是“虚拟

12.31 -

“NAS”是“Network Attached Storage”的缩写，意思是“网

12.31 -

“PSTN”是“Public Switched Telephone Network”的缩写，

12.31 -

“IPsec”是“Internet Protocol Security”的缩写，意思是

12.31 -

“AToM”是“Any Transport over MPLS (Multi-Protocol

12.31 -

“GRE”是“Generic Routing Encapsulation”的缩写，意思

12.31 -

“GRE”是“Generic Routing Encapsulation”的缩写，意思

12.31 -