GBT51252-2017······1

1 總則······10

2 術(shù)語(yǔ)和符號(hào)······11

2.1 術(shù)語(yǔ)······11

2.2 符號(hào)······13

3 總體技術(shù)要求······14

3.1 業(yè)務(wù)需求及實(shí)現(xiàn)方式······14

3.2 體系架構(gòu)······14

4 工程設(shè)計(jì)······18

4.1 網(wǎng)絡(luò)架構(gòu)和節(jié)點(diǎn)功能設(shè)置······18

4.2 局址選擇······20

4.3 業(yè)務(wù)參數(shù)······20

4.4 媒體交付系統(tǒng)設(shè)計(jì)······21

4.5 門(mén)戶導(dǎo)航系統(tǒng)設(shè)計(jì)······22

4.6 業(yè)務(wù)管理系統(tǒng)設(shè)計(jì)······23

4.7 網(wǎng)絡(luò)管理功能需求······24

4.8 流量計(jì)算······25

4.9 系統(tǒng)安全要求······26

4.10 對(duì)承載網(wǎng)的要求······27

4.11 編解碼方式設(shè)計(jì)要求······28

5 施工要求······29

5.1 機(jī)房及環(huán)境要求······29

5.2 安裝要求······30

6 工程驗(yàn)收······33

6.1 驗(yàn)收前準(zhǔn)備······33

6.2 工程初驗(yàn)要求······33

6.3 試運(yùn)轉(zhuǎn)及竣工驗(yàn)收······37

附錄A 業(yè)務(wù)模型參考······39

本規(guī)范用詞說(shuō)明······41

引用標(biāo)準(zhǔn)名錄······42

附：條文說(shuō)明······43

1 總則······46

3 總體技術(shù)要求······47

3.1 業(yè)務(wù)需求及實(shí)現(xiàn)方式······47

3.2 體系架構(gòu)······47

4 工程設(shè)計(jì)······54

4.1 網(wǎng)絡(luò)架構(gòu)和節(jié)點(diǎn)功能設(shè)置······54

4.3 業(yè)務(wù)參數(shù)······54

4.4 媒體交付系統(tǒng)設(shè)計(jì)······54

4.5 門(mén)戶導(dǎo)航系統(tǒng)設(shè)計(jì)······55

4.6 業(yè)務(wù)管理系統(tǒng)設(shè)計(jì)······55

4.7 網(wǎng)絡(luò)管理功能需求······55

4.8 流量計(jì)算······55

4.9 系統(tǒng)安全要求······55

4.11 編解碼方式設(shè)計(jì)要求······56

5 施工要求······57

5.2 安裝要求······57

6 工程驗(yàn)收······58

6.2 工程初驗(yàn)要求······58