n
nap 網(wǎng)絡(luò)接入點(diǎn) network access point
nca 網(wǎng)絡(luò)計(jì)算結(jié)構(gòu) network computing architecture
ncfc 中國國家計(jì)算機(jī)網(wǎng)絡(luò)設(shè)施，
國內(nèi)也稱中關(guān)村網(wǎng) the national computing and network facility of china
ncp 網(wǎng)絡(luò)控制協(xié)議 network control protocol
ncp 網(wǎng)絡(luò)核心協(xié)議 network core protocol
next 近端串?dāng)_
nfs 網(wǎng)絡(luò)文件系統(tǒng) network file system
nhrp 下一個(gè)節(jié)點(diǎn)路由協(xié)議
nhs 　 nhrp server
nic 　 null-attach concentrator
nic 網(wǎng)卡 network interface card
nic 網(wǎng)絡(luò)信息中心 network information centre
nim 網(wǎng)絡(luò)接口模塊 network interface module
nisdn 窄帶isdn narrowband integrited services digital network
nlam 網(wǎng)絡(luò)層地址管理
nni 網(wǎng)絡(luò)-網(wǎng)絡(luò)接口 network-network interface
noms 網(wǎng)絡(luò)營運(yùn)與管理專題討論會(huì) network operation and management symposium
nren (美國)國家研究和教育網(wǎng) national research and education network
nsap 網(wǎng)絡(luò)服務(wù)接入點(diǎn) network service access point
nsf （美國）國會(huì)科學(xué)基金會(huì)
nvram 　 non-volatile ram
nvt 網(wǎng)絡(luò)虛擬終端 network virtual terminal
o
oam x作與維護(hù) operation and maintenance
odbc 開放數(shù)據(jù)庫互連 open database connection
orb 對(duì)象請求代理 object request broker
osf 開放軟件基金會(huì) open software fundation
osi 開放系統(tǒng)互聯(lián) open system interconnection
ospf 開放最短路徑優(yōu)先(協(xié)議) open shortest path first
p
pbx 用戶交換機(jī) private branch exchange
pcm 脈沖編碼調(diào)制 pulse code modulation
pcn 個(gè)人通信網(wǎng)絡(luò) personal communications network
pcr 峰值信元速率 peak cell rate
pcs 個(gè)人通信服務(wù) personal communications service
pdh 準(zhǔn)同步數(shù)字系列
pda 個(gè)人數(shù)字助理 personal digital assistant
pdn 公用數(shù)據(jù)網(wǎng) public data network
pdu 協(xié)議數(shù)據(jù)單元 protocol data unit
per 分組差錯(cuò)率 packet error rate
pem 　 port expansion module
pir 分組插入率　 packet insertion rate
pi/so 　 primary in/secondary out
plcp 物理層會(huì)聚協(xié)議 physical layer convergence protocol
plr 分組丟失率 packet loss rate
pmd 物理媒體相關(guān)（子層） physical medium dependent
poh 通道開銷
pon 無源光纖網(wǎng)
pop 　 post office protocol
po/si 　 primary out/secondary in
pots 普通老式電話業(yè)務(wù) plain old telephone service
ppd 部分舍棄分組數(shù)據(jù)包 partial packet discard
ppp 點(diǎn)到點(diǎn)協(xié)議 point to point protocol
pptp 點(diǎn)對(duì)點(diǎn)隧道協(xié)議
prm 每分鐘可打印輸出的頁數(shù) page per minute
prm 協(xié)議參考模型 protocol reference model
prn 分組無線網(wǎng) packet radio network
psn 分組交換節(jié)點(diǎn) packet switch node
psdn 分組交換數(shù)據(jù)網(wǎng)
pstn 公用電話交換網(wǎng) public switched telephone network
pvc 永久虛電路（包括pvpc和pvcc） permanent virtual circuit
pvpc 　 permanent virtual path connection
pvcc 　 permanent virtual channel connection
pvp 永久虛路徑 permanent virtual path
q
qos 服務(wù)質(zhì)量 quality of service
r
radius 遠(yuǎn)端授權(quán)撥號(hào)上網(wǎng)用戶服務(wù)
rarp 逆向地址解析協(xié)議 reverse address resolution protocol
ras 遠(yuǎn)程訪問服務(wù)器
rfc 請求評(píng)注 request for comments
rft 　 request for technology
rip 　 routing information protocol
rmon 遠(yuǎn)程網(wǎng)絡(luò)管理
router 路由器
rpc 遠(yuǎn)程過程調(diào)用 remote procedure call
rsvp 資源重復(fù)利用協(xié)議
rtmp 　 routing table maintenance protocol(用于appletalk)
rtp 接收和發(fā)送端口
rts 往返樣本 round trip sample
rts 剩余時(shí)間標(biāo)簽
s
sap 業(yè)務(wù)接入點(diǎn) service access point
sap 服務(wù)公告協(xié)議 service advertising protocol
sar 分段和重組(子層) segmentation and reassembly
sas 　 single attached station
sc 　 stick and click connector
scr 信號(hào)串?dāng)_比
scr 持續(xù)信元速率 sustained cell rate
scs 交換控制軟件
sdh 同步數(shù)字系列 synchronous digital hierarchy
sdlc 同步數(shù)據(jù)鏈路控制(協(xié)議) advanced data communication control procedure
sdtv 標(biāo)準(zhǔn)數(shù)字電視
sdu 業(yè)務(wù)數(shù)據(jù)單元 service data unit
sipp 增強(qiáng)的簡單因特網(wǎng)協(xié)議 simple internet protocol plus
slip 串行線路ip serial line interface protocol
smds 交換式多兆比特?cái)?shù)據(jù)業(yè)務(wù) switched multimegabit data services
smf 單模光纖 single-mode fiber
smi 　 structure of management information（mib的結(jié)構(gòu)）
smt 站點(diǎn)管理 station management
smtp 簡單郵件傳輸協(xié)議 simple mail transfer protocol
sna 系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu) system network architecture
snmp 簡單網(wǎng)絡(luò)管理協(xié)議 simple network management protocol
snr 信噪比 signal-noise ratio
soh 段開銷
sonet 同步光纖網(wǎng)絡(luò) synchronous optical network
spe 同步凈荷包 synchronous payload envelope
spp 定序分組協(xié)議 （xns中，相當(dāng)于tcp） sequential packet protocol
srts 同步剩余時(shí)間標(biāo)簽法
sscs 業(yè)務(wù)特定部分會(huì)聚子層
ssi 服務(wù)器端包含 server side include
st 　 stick and turn connector
stm 同步傳輸方式 synchronous transfer mode
stp 屏蔽雙絞線 shielded twisted pair
sts 同步傳輸信號(hào) synchronous transport signal
svc 交換虛電路 switched virtual circuit
switch 交換機(jī)
t
tac 　 technical assistance center
tast 時(shí)間分配話音插空技術(shù) time assignment by speech interpolation
tc 傳輸匯集(子層) transmission convergence
tcp 傳輸控制協(xié)議 transmission control protocol
tdm 時(shí)分多路復(fù)用 time division multiplexing
tftp 單純文件傳輸協(xié)議 trivial file transfer protocol
tip 終端接口處理機(jī) terminal interface processor
tp 雙絞線 twisted pair
tsap 傳輸層服務(wù)訪問點(diǎn) transport service access point
ttl 生存時(shí)間 time to live
ttr 定時(shí)令牌旋轉(zhuǎn)
u
ubr 未定義比特率 undefined bit rate
uem 通用以太網(wǎng)模塊 universal ethernet module
udp 用戶數(shù)據(jù)報(bào)協(xié)議 user datagram protocol
ui unix國際
uni 用戶-網(wǎng)絡(luò)接口 user-network interface
upc 使用參數(shù)控制 usage parameter control
url 統(tǒng)一資源定位 universal resource locator
usb 通用串行總線 universal serial bus
utp 非屏蔽雙絞線 unshielded twisted pair
uucp 　 unix to unix copy program
v
van 增值網(wǎng) value added network
vbr 可變比特率 variable bit rate
vcc 虛信道連接 virtual channel connection
vci 　 virtual channel identifier
v-d 向量-距離（算法）又叫bellman-ford算法） vector-distance
vlan 　 virtual lan
vlsi 超大規(guī)模集成電路
vod 點(diǎn)播圖像 video on demand
vpc 虛路徑連接 virtual path connection
vpi 虛路徑標(biāo)識(shí) virtual path identifier
vpn 虛擬專用網(wǎng)絡(luò) virtual private network
vrml 虛擬現(xiàn)實(shí)造型語言 virtual reality modeling language
vtp 虛擬隧道協(xié)議
w
wan 廣域網(wǎng) wide area network
wdm 波分多路復(fù)用 wavelength division multiplexing
wdma 波分多路訪問 wavelength division multiple access
wrb web請求代理 web request broker
www 萬維網(wǎng) world wide web