multicast backbone

基本解釋

National natural science foundation of China network (NSFCNET) is the first high-speed computer network test bed providing native multicast service across its backbone .
“中國高速互聯(lián)研究試驗(yàn)網(wǎng)”是我國第一個(gè)全網(wǎng)支持非隧道組播協(xié)議的下一代高速互聯(lián)網(wǎng)試驗(yàn)床。
China Education and Research Network (CERNET) construct and realize the multicast based video conference system on CERNET backbone and make it the communication platform for CERNET nodes.
中國教育和科研計(jì)算機(jī)網(wǎng)（CERNET）在全國主干節(jié)點(diǎn)上構(gòu)建和實(shí)現(xiàn)了組播視頻會(huì)議系統(tǒng)，成為全國教育網(wǎng)各節(jié)點(diǎn)的視頻會(huì)議交流平臺(tái)。