近年(nian)來，邊緣計算成為(wei)國內外通信(xin)(xin)服務(wu)提(ti)供商(shang)的(de)(de) 新寵 ，針(zhen)對邊緣計算展(zhan)開的(de)(de)測試(shi)和驗證也(ye)越(yue)來越(yue)多，邊緣計算也(ye)成為(wei)國內外通信(xin)(xin)服務(wu)提(ti)供商(shang)進行網絡(luo)轉型的(de)(de)重(zhong)要選擇(ze)。

運營商的(de)(de)(de)(de)(de)(de)網(wang)絡轉型(xing)與5G時代業(ye)(ye)務(wu)模(mo)式(shi)(shi)的(de)(de)(de)(de)(de)(de)轉變息息相關。在(zai)3G、4G時代，因為(wei)(wei)(wei)OTT（Over The Top）全面崛起，以(yi)應用服務(wu)為(wei)(wei)(wei)中(zhong)心的(de)(de)(de)(de)(de)(de)市場和商業(ye)(ye)模(mo)式(shi)(shi)迅速擠占(zhan)了(le)通(tong)(tong)(tong)信服務(wu)提供(gong)商的(de)(de)(de)(de)(de)(de)價值。作(zuo)為(wei)(wei)(wei)我國(guo)混改的(de)(de)(de)(de)(de)(de)先鋒(feng)，中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)希(xi)望以(yi)5G為(wei)(wei)(wei)契(qi)機，致力于從 管道 提供(gong)者(zhe)轉型(xing)為(wei)(wei)(wei)產業(ye)(ye)整(zheng)合者(zhe)和業(ye)(ye)務(wu)提供(gong)商。為(wei)(wei)(wei)實現(xian)成功轉型(xing)，中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)要做的(de)(de)(de)(de)(de)(de)第一步(bu)是網(wang)絡架(jia)構面向全云化演進(jin)。而借助云化技術(shu)構建的(de)(de)(de)(de)(de)(de)邊(bian)緣(yuan)(yuan)計(ji)算平(ping)(ping)臺，中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)有望實現(xian)靈活的(de)(de)(de)(de)(de)(de)網(wang)絡功能部(bu)署(shu)(shu)(shu)，并加速固定和移(yi)動網(wang)絡融合基(ji)礎(chu)設(she)施的(de)(de)(de)(de)(de)(de)架(jia)構演進(jin)。目前(qian)中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)已經走在(zai)了(le)邊(bian)緣(yuan)(yuan)計(ji)算規(gui)劃和部(bu)署(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)前(qian)列，2017年(nian)底的(de)(de)(de)(de)(de)(de)天津邊(bian)緣(yuan)(yuan)云測(ce)(ce)(ce)(ce)試(shi)床(chuang)建設(she)正是中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)為(wei)(wei)(wei)構建邊(bian)緣(yuan)(yuan)計(ji)算平(ping)(ping)臺做出(chu)的(de)(de)(de)(de)(de)(de)重要探索。采用MEC組網(wang)和邊(bian)緣(yuan)(yuan)云組網(wang)方(fang)式(shi)(shi)2017年(nian)底，中(zhong)國(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)聯(lian)(lian)(lian)(lian)合英特爾、中(zhong)興通(tong)(tong)(tong)訊、騰訊視(shi)頻等合作(zuo)伙伴在(zai)天津建設(she)成規(gui)模(mo)較大(da)的(de)(de)(de)(de)(de)(de)邊(bian)緣(yuan)(yuan)（Edge Data Center）測(ce)(ce)(ce)(ce)試(shi)床(chuang)，并正在(zai)推進(jin)邊(bian)緣(yuan)(yuan)vCDN、邊(bian)緣(yuan)(yuan)解碼以(yi)及邊(bian)緣(yuan)(yuan)智能等多種邊(bian)緣(yuan)(yuan)業(ye)(ye)務(wu)的(de)(de)(de)(de)(de)(de)部(bu)署(shu)(shu)(shu)和測(ce)(ce)(ce)(ce)試(shi)工作(zuo)。天津邊(bian)緣(yuan)(yuan)數據(ju)中(zhong)心測(ce)(ce)(ce)(ce)試(shi)床(chuang)選擇在(zai)天津寶坻大(da)學城進(jin)行(xing)部(bu)署(shu)(shu)(shu)，目前(qian)連接了(le)7個LTE基(ji)站，占(zhan)據(ju)了(le)天津寶坻聯(lian)(lian)(lian)(lian)通(tong)(tong)(tong)30%的(de)(de)(de)(de)(de)(de)話務(wu)量。由(you)于此次測(ce)(ce)(ce)(ce)試(shi)床(chuang)的(de)(de)(de)(de)(de)(de)搭建在(zai)整(zheng)個產業(ye)(ye)界尚屬首次，經過參與各(ge)方(fang)多次論證(zheng)，最終(zhong)得(de)出(chu)了(le)一套(tao)適合現(xian)網(wang)部(bu)署(shu)(shu)(shu)的(de)(de)(de)(de)(de)(de)方(fang)案。

圖(tu)1 中(zhong)(zhong)(zhong)(zhong)國聯(lian)(lian)通(tong)(tong)天津(jin)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)測(ce)試床(chuang)整體(ti)組(zu)(zu)網(wang)(wang)(wang)方案(an)(an)和(he)以(yi)(yi)往邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)機房大多由傳(chuan)輸設備(bei)形(xing)成的(de)(de)(de)(de)(de)(de)組(zu)(zu)網(wang)(wang)(wang)方案(an)(an)不同，天津(jin)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)數(shu)據中(zhong)(zhong)(zhong)(zhong)心(xin)新增了(le)兩類物理(li)節點，一(yi)是(shi)(shi)MEC服(fu)務(wu)器(qi)，二是(shi)(shi)由多臺(tai)英特爾(er)架構(gou)服(fu)務(wu)器(qi)構(gou)建的(de)(de)(de)(de)(de)(de)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)。MEC服(fu)務(wu)器(qi)承(cheng)擔本地(di)分(fen)流功能(neng)(neng)(neng)(neng)，可(ke)(ke)以(yi)(yi)把一(yi)部分(fen)的(de)(de)(de)(de)(de)(de)業(ye)(ye)務(wu)導向到(dao)(dao)(dao)本地(di)網(wang)(wang)(wang)絡(luo)(luo)（或園區網(wang)(wang)(wang)、企(qi)業(ye)(ye)網(wang)(wang)(wang)）中(zhong)(zhong)(zhong)(zhong)，或者(zhe)分(fen)流到(dao)(dao)(dao)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)上(shang)部署(shu)的(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)中(zhong)(zhong)(zhong)(zhong)，從而(er)極大地(di)緩解對(dui)核心(xin)網(wang)(wang)(wang)的(de)(de)(de)(de)(de)(de)帶寬壓(ya)力(li)(li)，減少傳(chuan)輸時(shi)延；邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)節點部署(shu)了(le)OpenStack，實現了(le)計(ji)算(suan)(suan)、存(cun)儲(chu)、網(wang)(wang)(wang)絡(luo)(luo)資源的(de)(de)(de)(de)(de)(de)虛擬化(hua)，從而(er)支撐不同本地(di)業(ye)(ye)務(wu)的(de)(de)(de)(de)(de)(de)靈活彈(dan)性(xing)資源調度。具體(ti)來說，MEC服(fu)務(wu)器(qi)為中(zhong)(zhong)(zhong)(zhong)興通(tong)(tong)訊(xun)提(ti)供的(de)(de)(de)(de)(de)(de)ZXRAN U9003通(tong)(tong)用(yong)(yong)(yong)融合(he)服(fu)務(wu)器(qi)，它是(shi)(shi)集(ji)計(ji)算(suan)(suan)、存(cun)儲(chu)和(he)網(wang)(wang)(wang)絡(luo)(luo)為一(yi)體(ti)的(de)(de)(de)(de)(de)(de)融合(he)硬件平臺(tai)。邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)節點則采用(yong)(yong)(yong)了(le)英特爾(er)至(zhi)強(qiang)處(chu)(chu)理(li)器(qi)，其在(zai)(zai)性(xing)能(neng)(neng)(neng)(neng)、通(tong)(tong)用(yong)(yong)(yong)性(xing)、穩定性(xing)和(he)可(ke)(ke)擴展(zhan)性(xing)方面(mian)的(de)(de)(de)(de)(de)(de)優勢，可(ke)(ke)支撐多樣化(hua)的(de)(de)(de)(de)(de)(de)工作負(fu)載(zai)(zai)環(huan)境。值得(de)一(yi)提(ti)的(de)(de)(de)(de)(de)(de)是(shi)(shi)，在(zai)(zai)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)的(de)(de)(de)(de)(de)(de)能(neng)(neng)(neng)(neng)力(li)(li)優化(hua)方面(mian)，考(kao)慮到(dao)(dao)(dao)未(wei)(wei)來數(shu)據面(mian)的(de)(de)(de)(de)(de)(de)下(xia)沉以(yi)(yi)及(ji)最大化(hua)發揮邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)的(de)(de)(de)(de)(de)(de)本地(di)業(ye)(ye)務(wu)處(chu)(chu)理(li)能(neng)(neng)(neng)(neng)力(li)(li)，中(zhong)(zhong)(zhong)(zhong)國聯(lian)(lian)通(tong)(tong)還聯(lian)(lian)合(he)英特爾(er)針對(dui)其硬件性(xing)能(neng)(neng)(neng)(neng)進行了(le)優化(hua)，包(bao)括采用(yong)(yong)(yong)英特爾(er)智(zhi)能(neng)(neng)(neng)(neng)網(wang)(wang)(wang)卡增強(qiang)流量快速卸(xie)載(zai)(zai)能(neng)(neng)(neng)(neng)力(li)(li)，以(yi)(yi)及(ji)利用(yong)(yong)(yong)DPDK（Data Plane Developers Kit）技術提(ti)升網(wang)(wang)(wang)絡(luo)(luo)處(chu)(chu)理(li)性(xing)能(neng)(neng)(neng)(neng)等。移(yi)動vCDN測(ce)試效果最為顯著中(zhong)(zhong)(zhong)(zhong)國聯(lian)(lian)通(tong)(tong)計(ji)劃對(dui)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)計(ji)算(suan)(suan)平臺(tai)可(ke)(ke)以(yi)(yi)承(cheng)載(zai)(zai)的(de)(de)(de)(de)(de)(de)主要業(ye)(ye)務(wu)場(chang)景(jing)，都在(zai)(zai)天津(jin)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)數(shu)據中(zhong)(zhong)(zhong)(zhong)心(xin)測(ce)試床(chuang)進行測(ce)試部署(shu)和(he)驗(yan)(yan)證(zheng)，為未(wei)(wei)來邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)(de)業(ye)(ye)務(wu)商用(yong)(yong)(yong)部署(shu)進行準備(bei)。例如(ru)移(yi)動CDN下(xia)沉、VR/AR、視頻(pin)(pin)優化(hua)、車聯(lian)(lian)網(wang)(wang)(wang)等場(chang)景(jing)。在(zai)(zai)前期天津(jin)測(ce)試床(chuang)進行的(de)(de)(de)(de)(de)(de)業(ye)(ye)務(wu)場(chang)景(jing)測(ce)試中(zhong)(zhong)(zhong)(zhong)，在(zai)(zai)移(yi)動vCDN方面(mian)取得(de)了(le)初步成果。通(tong)(tong)過將(jiang)CDN部署(shu)到(dao)(dao)(dao)移(yi)動網(wang)(wang)(wang)絡(luo)(luo)內部，比(bi)如(ru)借(jie)助MEC平臺(tai)的(de)(de)(de)(de)(de)(de)部署(shu)將(jiang)vCDN下(xia)沉到(dao)(dao)(dao)運營商的(de)(de)(de)(de)(de)(de)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)數(shu)據中(zhong)(zhong)(zhong)(zhong)心(xin)中(zhong)(zhong)(zhong)(zhong)，將(jiang)大大緩解傳(chuan)統網(wang)(wang)(wang)絡(luo)(luo)的(de)(de)(de)(de)(de)(de)壓(ya)力(li)(li)，并且提(ti)升移(yi)動用(yong)(yong)(yong)戶視頻(pin)(pin)業(ye)(ye)務(wu)的(de)(de)(de)(de)(de)(de)體(ti)驗(yan)(yan)。對(dui)此(ci)中(zhong)(zhong)(zhong)(zhong)國聯(lian)(lian)通(tong)(tong)聯(lian)(lian)合(he)騰訊(xun)、英特爾(er)、中(zhong)(zhong)(zhong)(zhong)興通(tong)(tong)訊(xun)進行了(le)騰訊(xun)視頻(pin)(pin)vCDN下(xia)沉的(de)(de)(de)(de)(de)(de)驗(yan)(yan)證(zheng)。經過測(ce)試發現，經過本地(di)邊(bian)(bian)緣(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)云(yun)節點針對(dui)騰訊(xun)視頻(pin)(pin)的(de)(de)(de)(de)(de)(de)終(zhong)端(duan)(duan)訪問平均(jun)往返時(shi)間(jian)和(he)終(zhong)端(duan)(duan)HTTP平均(jun)下(xia)載(zai)(zai)速率均(jun)得(de)到(dao)(dao)(dao)明(ming)顯改(gai)善和(he)提(ti)升。

圖2 中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)天(tian)津邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)測試(shi)床騰訊視頻(pin)vCDN測試(shi)對(dui)比數(shu)(shu)據(ju)(ju)(ju)(ju)以終為始，全國(guo)(guo)(guo)廣布(bu)邊(bian)(bian)緣(yuan)(yuan)(yuan)計算(suan)節點(dian)此次天(tian)津測試(shi)床的(de)(de)建設(she)和(he)測試(shi)部署，為中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)在(zai)(zai)2018年開(kai)展全國(guo)(guo)(guo)范(fan)圍內的(de)(de)樣(yang)板網(wang)絡推廣工(gong)作(zuo)(zuo)打下了(le)堅實的(de)(de)基(ji)(ji)礎(chu)(chu)。據(ju)(ju)(ju)(ju)了(le)解，在(zai)(zai)2017年，中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)已經在(zai)(zai)天(tian)津、浙江(jiang)、上海、成(cheng)(cheng)(cheng)都、廣東(dong)、重慶(qing)等(deng)多個(ge)省市開(kai)展了(le)業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)多樣(yang)的(de)(de)邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)或計算(suan)平臺的(de)(de)試(shi)點(dian)啟(qi)動工(gong)作(zuo)(zuo)。未來幾年，中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)將計劃建成(cheng)(cheng)(cheng)6000個(ge)邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)，打造以區域、本(ben)地、邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)為基(ji)(ji)礎(chu)(chu)的(de)(de)彈性網(wang)絡，驅動5G網(wang)絡重構。中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)認為，運(yun)營(ying)商在(zai)(zai)邊(bian)(bian)緣(yuan)(yuan)(yuan)計算(suan)產(chan)(chan)業(ye)(ye)(ye)(ye)(ye)生(sheng)(sheng)態(tai)圈中(zhong)(zhong)(zhong)(zhong)(zhong)扮演著關(guan)鍵角色(se)，中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)致(zhi)力于(yu)做大(da)(da)相(xiang)關(guan)產(chan)(chan)業(ye)(ye)(ye)(ye)(ye)生(sheng)(sheng)態(tai)，在(zai)(zai)加強管道能力的(de)(de)基(ji)(ji)礎(chu)(chu)之上，進(jin)一(yi)(yi)步(bu)拓展邊(bian)(bian)緣(yuan)(yuan)(yuan)業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)平臺能力，提供業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)支撐及(ji)商業(ye)(ye)(ye)(ye)(ye)孵化能力。中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)也同樣(yang)認識到，相(xiang)關(guan)技(ji)術和(he)產(chan)(chan)業(ye)(ye)(ye)(ye)(ye)的(de)(de)成(cheng)(cheng)(cheng)熟仍(reng)然面臨諸多挑(tiao)戰。例如當前的(de)(de)很多數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)設(she)備仍(reng)不能完全滿足邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)的(de)(de)改(gai)造需求、邊(bian)(bian)緣(yuan)(yuan)(yuan)計算(suan)生(sheng)(sheng)態(tai)環境相(xiang)對(dui)封閉(bi)、產(chan)(chan)業(ye)(ye)(ye)(ye)(ye)鏈不成(cheng)(cheng)(cheng)熟、邊(bian)(bian)緣(yuan)(yuan)(yuan)計算(suan)標準仍(reng)不完善等(deng)。因此，中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)希望同包括英特爾在(zai)(zai)內的(de)(de)合作(zuo)(zuo)伙伴開(kai)展廣泛合作(zuo)(zuo)，全力加速生(sheng)(sheng)態(tai)圈的(de)(de)發(fa)展，消除邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)面臨的(de)(de)各種技(ji)術瓶頸，探索更利于(yu)大(da)(da)規模部署和(he)商用的(de)(de)模式。中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)還將借助(zhu)混改(gai)的(de)(de)東(dong)風，依靠未來數(shu)(shu)以千計的(de)(de)邊(bian)(bian)緣(yuan)(yuan)(yuan)數(shu)(shu)據(ju)(ju)(ju)(ju)中(zhong)(zhong)(zhong)(zhong)(zhong)心(xin)(xin)為優勢資源，聚(ju)焦大(da)(da)視頻(pin)、VR/AR、工(gong)業(ye)(ye)(ye)(ye)(ye)物聯(lian)(lian)(lian)(lian)網(wang)、車(che)聯(lian)(lian)(lian)(lian)網(wang)等(deng)高(gao)帶寬(kuan)、低時(shi)(shi)延業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)，秉(bing)承開(kai)放(fang)合作(zuo)(zuo)的(de)(de)理念，全力構建統(tong)(tong)一(yi)(yi)的(de)(de)Edge-Cloud資源池(chi)和(he)Edge-Cloud邊(bian)(bian)緣(yuan)(yuan)(yuan)生(sheng)(sheng)態(tai)系(xi)統(tong)(tong)。獲取(qu)《中(zhong)(zhong)(zhong)(zhong)(zhong)國(guo)(guo)(guo)聯(lian)(lian)(lian)(lian)通(tong)(tong)邊(bian)(bian)緣(yuan)(yuan)(yuan)業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)平臺架構及(ji)產(chan)(chan)業(ye)(ye)(ye)(ye)(ye)生(sheng)(sheng)態(tai)白皮書(shu)》完整(zheng)版，請點(dian)擊鏈接：//connect.intel.com/COS-ChinaUnicomEdgeR/AR、工(gong)業(ye)(ye)(ye)(ye)(ye)物聯(lian)(lian)(lian)(lian)網(wang)、車(che)聯(lian)(lian)(lian)(lian)網(wang)等(deng)高(gao)帶寬(kuan)、低時(shi)(shi)延業(ye)(ye)(ye)(ye)(ye)務(wu)(wu)，秉(bing)承開(kai)放(fang)合作(zuo)(zuo)的(de)(de)理念，全力構建統(tong)(tong)一(yi)(yi)的(de)(de)Edge-Cloud資源池(chi)和(he)Edge-Cloud邊(bian)(bian)緣(yuan)(yuan)(yuan)生(sheng)(sheng)態(tai)系(xi)統(tong)(tong)。

文章編輯：CobiNet(寧波)  
本公司專注于電訊配件,銅纜綜合布線系列領域產品研發生產超五類，六類,七類線，屏蔽模塊，配線架及相(xiang)關模塊配(pei)件的(de)研發(fa)和生產。