【正文】 NIC Network interace card 網(wǎng)卡 NOS Network operating system 網(wǎng)絡(luò)操作系統(tǒng) NDIS Network driver interace speciication NREN National research and educational work 國(guó)家研究和教育網(wǎng) NIST National instrtute o standards and technology 國(guó)際標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì) NNI Network work interace 網(wǎng)絡(luò) 網(wǎng)絡(luò)接口 NNTP Network news transer protocol 網(wǎng)絡(luò)新聞傳輸協(xié)議 NCSA National center or superputing applications 國(guó)家超級(jí)計(jì)算機(jī)應(yīng)用中心 NTSC National television standards mittee 美國(guó)電視標(biāo)準(zhǔn)委員會(huì) NDIS Network drive interace speciication 網(wǎng)絡(luò)驅(qū)動(dòng)程序接口規(guī)范 NETBIOS 網(wǎng)絡(luò) 基本輸入輸出系統(tǒng) NETBEUI BetBIOS Extended user interace NETBIOS擴(kuò)展用戶界面 NBI Network binding interace 網(wǎng)絡(luò)關(guān)聯(lián)接口 NS Network ile system 網(wǎng)絡(luò)文件系統(tǒng) NIST 美國(guó)國(guó)家標(biāo)準(zhǔn)和技術(shù)協(xié)會(huì) NCSC 國(guó)家計(jì)算機(jī)安全中心 NNTP Network news transer protocol 網(wǎng)絡(luò)新聞傳輸協(xié)議 NVOD Near video ondemand 影視點(diǎn)播業(yè)務(wù) NIU 網(wǎng)絡(luò)接口單元 NAS 網(wǎng)絡(luò)接入服務(wù) NAS Network attached storage 網(wǎng)絡(luò)連接存儲(chǔ) OAM Operation and maintenance 操作和維護(hù) OSI/RM Open system interconnection/Reerence model 開(kāi)放系統(tǒng)互聯(lián)參考模型 OMAP Operations maintenance and administration part 運(yùn)行、維護(hù)和管理部分 OAM Operation and maintenance ODM Orthogonal requency division multiplexing OSP Open shortest path irst 開(kāi)放最短路徑優(yōu)先 OGSA Open Grid Services Architecture 開(kāi)放式網(wǎng)格服務(wù)架構(gòu) ONU Optical work unit 光纖網(wǎng)絡(luò)單元 OLE 對(duì)象鏈接和嵌入 ODI Open data link interace 開(kāi)放數(shù)據(jù)鏈路接口 ODBC 開(kāi)放數(shù)據(jù)庫(kù)連接 OSA 開(kāi)放的業(yè)務(wù)結(jié)構(gòu) PC 程序計(jì)數(shù)器 PEM 局部存儲(chǔ)器 PTT Post telephoneamp。telegraph PLP 分組級(jí)協(xié)議 PSK 相移鍵控 PCM Pulse code modulation 脈碼調(diào)制技術(shù) PAD Packet assembly and disassembly device 分組拆裝設(shè)備 PCS 個(gè)人通信服務(wù) PSE 分組交換機(jī) PDN Public data work 公共數(shù)據(jù)網(wǎng) PLP Packet layer protocol PVC Permanent virtual circuit 永久虛電路 PBX Private branch eXchange 專用小交換機(jī) PMD Physical medium dependent sublayer 物理介質(zhì)相關(guān)子層 PTI Payload type 負(fù)載類型 PAM 脈沖幅度調(diào)制 PPM 脈沖位置調(diào)制 PDM 脈寬度調(diào)制 PDA Personal digital assistant 個(gè)人數(shù)字助理 PAD Packet assemblerDisassembler 分組打包 /解包 PDU Protocol data unit 協(xié)議數(shù)據(jù)單元 PLCP Physical layer convergence protocol 物理層會(huì)聚協(xié)議 PMD Physical medium dependent 物理介質(zhì)相關(guān)子層 PC Point coordination unction 點(diǎn)協(xié)調(diào)功能 PPP Point to point protocol 點(diǎn)對(duì)點(diǎn)協(xié)議 PSTN Public switched telephone work 公共電話交換網(wǎng) PSDN Packet Switched data work 公共分組數(shù)據(jù)網(wǎng)絡(luò) Packet switching node 分組交換節(jié)點(diǎn) PAP Password authentication protocol 口令認(rèn)證協(xié)議 PAM Pluggable authentication modules 可插入認(rèn)證模塊 POTS Plain old telephone service 老式電話服務(wù) PCS Personal munications service 個(gè)人通信服務(wù) PCN Personal munications work 個(gè)人通信網(wǎng)絡(luò) PCR Peak cell rate 峰值信元速率 POP Post oice protocol 郵局協(xié)議 PGP Pretty good privacy 相當(dāng)好的保密性 PCA Policy certiication authorities 策略認(rèn)證機(jī)構(gòu) PPTP Point to point Tunneling protocol 點(diǎn)對(duì)點(diǎn)隧道協(xié)議 POSIX 可移植性操作系統(tǒng)接口 PTR 相關(guān)的指針 PDH Plesiochronous digital hierarchy 準(zhǔn)同步數(shù)字系列 PPPoE Pointtopoint protocol over ether 基于局域網(wǎng)的點(diǎn)對(duì)點(diǎn)通信協(xié)議 PXC 數(shù)字交叉連接 PRI Primary rate interace 主要率速接口 QAM Quadrature amplitude modulation 正交副度調(diào)制 QOS Quality o service 服務(wù)質(zhì)量 RTSE Reliable transer service element 可靠傳輸服務(wù)元素 ROSE Remote operations service element 遠(yuǎn)程操作服務(wù)元素 RZ Return to zero 歸零碼 Repeater 中繼器 RJE Remote job entry 遠(yuǎn)程作業(yè) RARP Reverse address resolution protocol 反向 ARP協(xié)議 RPC Remote procedure call 遠(yuǎn)程過(guò)程調(diào)用 RC Request or ments 請(qǐng)求評(píng)注 RAID Redundant array o inexpensive disks 廉價(jià)磁盤冗余陣列 RADIUS 遠(yuǎn)端驗(yàn)證撥入用戶服務(wù) RAS Remote access services 遠(yuǎn)程訪問(wèn)服務(wù) RISC Reduced instruction set puter 最簡(jiǎn)指令系統(tǒng) RIP Routing inormation protocol 路由信息協(xié)議 RRAS 路由與遠(yuǎn)程訪問(wèn)服務(wù) RDP 遠(yuǎn)程桌面協(xié)議 RADSL 速率自適應(yīng)用戶數(shù)字線 RAN 無(wú)線接入網(wǎng) RAS Remote access server 遠(yuǎn)程訪問(wèn)服務(wù)器 RSVP Resource ReSerVation Protocol 資源預(yù)約協(xié)議 SISD 單指令單流數(shù)據(jù)流 SIMD 單指令多流數(shù)據(jù)流 SP 堆棧指針寄存器 SNA System Network Architecture 系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu) SNA/DS SNA Distribution service 異步分布處理系統(tǒng) SAP Service access point 服務(wù)訪問(wèn)點(diǎn) SAP Service advertising protocol 服務(wù)公告協(xié)議 SPX Sequential packet eXchange SNIC 子網(wǎng)無(wú)關(guān)的會(huì)聚功能 SNDC 子網(wǎng)相關(guān)的會(huì)聚功能 SNAC 子網(wǎng)訪問(wèn)功能 SNACP Subwork access ptotocol 子網(wǎng)訪問(wèn)協(xié)議 SNDCP SubNetwork dependent convergence protocol 子網(wǎng)相關(guān)的會(huì)聚協(xié)議 SNICP SubNetwork independent convergence protocol 子網(wǎng)無(wú)關(guān)的會(huì)聚協(xié)議 STP Shielded twisted pair 屏蔽雙絞線 STP Signal transer point 信令傳輸點(diǎn) STP Spanning Tree Protocol 生成樹協(xié)議 SONET Synchronous optical work SDH Synchronous digital hierarchy 同步數(shù)字系列 SS7 Signaling system SSP Service switching point 業(yè)務(wù)交換點(diǎn) SCP Service control point 業(yè)務(wù)控制點(diǎn) SCCP Signaling connection control part 信令連接控制部分 SDLC Synchronous data link control 同步數(shù)據(jù)鏈路控制協(xié)議 SIM 初始化方式命令 SVC Switched virtual call 交換虛電路 STM Synchronous transer mode