ICMP：Internet Control Message Protocol
AIMD：Additive Increase Multiplicative Decrease
CIDR: Classless InterDomain Routing
DHCP: Dynamic Host Configuration Protocol
ICANN: Internet Corporation for Assigned Names and Numbers
NAT: Network Address Translation
Interior Gateway Protocols (IGP) Intra-AS Routing
RIP ( Routing Information Protocol)
TDMA: time division multiple access
CSMA (Carrier Sense Multiple Access)
CSMA/CD (Collision Detection)
SNR: signal-to-noise ratio
BER:Bit Error Ratio
ARP（Address Resolution Protocol）
Cipher Block Chaining (CBC)
DES: Data Encryption Standard
AES: Advanced Encryption Standard
Message Authentication Code (MAC)
Certification authority (CA)
SRAM 静态随机访问
ROM 只读访问