10G EPON運維延續(xù)EPON優(yōu)勢

        10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON繼承了EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON和以太網技術簡潔、廉價和產業(yè)鏈成熟的優(yōu)點，隨著標準和產業(yè)鏈的快速成熟，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON規(guī)模商用日趨臨近。據主流運營商預測，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON將在1年內規(guī)模部署。

　　而EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON標準和技術已經成熟，EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON迅速進入了大規(guī)模商用階段。目前中國市場EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON部署規(guī)模已經超過2000萬線，中興通訊是EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的最主要供應商，并在EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON部署的過程中，針對EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON網絡的新特點，提出了成熟的EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維解決方案。

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維解決方案厚積薄發(fā)，是長期的技術積累沉淀而成，正日漸得到市場的認可。而10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON標準與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON標準一脈相承，基于成熟的EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案，目前10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案已經水到渠成。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON即將揚帆啟航，成熟而完善運維方案是其有力保障。

　　運維和產品研發(fā)同步

　　成熟而完善的EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON產品，凝聚了中興通訊的研發(fā)結晶。在研究開發(fā)PON產品的過程中，針對EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON網絡運維的新問題，中興通訊一直同步研究解決FTTx網絡的運維問題。該EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維解決方案是深厚的技術積累沉淀而成，推出后得到了市場的認可，在多省市應用，取得很好的成果。

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案在設備開通方面，做到了設備即插即用，即開即通，和現場零配置；管理地址容易規(guī)劃、容易配置；設備出現故障后，更換工作量小。

　　在業(yè)務發(fā)放方面，方案支持業(yè)務集中、批量、快速發(fā)放；支持多種業(yè)務配置、發(fā)放包括數據業(yè)務、窄帶業(yè)務、IPTV業(yè)務等。

　　在設備管理方面，方案支持設備集中、統(tǒng)一管理；管理系統(tǒng)操作簡單、性能優(yōu)異、易用性良好。

　　在服務保障方面，方案提供故障及時預警、故障遠程診斷、故障遠程處理，以減少現場排障的人工投入。

　　在網絡監(jiān)控方面，方案提供設備遠程監(jiān)控、運行環(huán)境監(jiān)控。

　　在網絡安全方面，方案提供設備認證、端口定位、用戶綁定和反查。

　　完善的ZTEEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON網絡運維解決方案，正幫助ZTEEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON設備的更好地進行中國“光進銅退”的建設。

　　充分繼承EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維成果

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON和10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有著一脈相承的標準定義。IEEE802.3av在波長規(guī)劃、控制協議和管理機制等方面都進行了完善的考慮，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON幾乎完全繼承了現有的EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON標準，僅僅是對EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的MPCP協議(IEEE802.3)進行擴展，增加了10Gbps能力的通告與協商機制，保證了10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON可以充分利用現有EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的運維方案和管理機制。

　　標準充分考慮了10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON網絡與現有EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON網絡的兼容和平滑演進。因此在EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案日漸成熟，廣泛應用的基礎上，將EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON和10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的運維進行充分比較，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的運維方案即水到渠成。

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON、10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有相似的業(yè)務模型。

　　在設備類型，應用場景，VLAN模型，業(yè)務標示映射方面，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON相似，相似的業(yè)務模型使得10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的業(yè)務模型更容易學習，更容易接受。

　　針對ONU設備類型，電信市場定義了不同的ONU設備類型，如SFU、HGU、SBU、MDU、MTU等，應用于不同的業(yè)務場景。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON沿用原EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的ONU設備類型，對各類型的接口定義稍作修改。而用戶模型和業(yè)務模型沿用EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的模型。

　　針對VLAN模型，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON是一致的。EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON規(guī)范定義了各種VLAN業(yè)務模型：如VLAN透傳、VLAN標記、VLANTranslation、VLANAggregation、VLANTrunk等模式，對不同的ONU設備類型，需要支持的VLAN功能和條目數都進行了規(guī)范。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有著類似的定義。

　　針對業(yè)務標識映射，EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON需要將業(yè)務流映射到LLID上，各種業(yè)務的優(yōu)先級進行了規(guī)定。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON一致。

　　同時EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON、10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有相似的業(yè)務參數。

　　配置、性能、告警參數來源于同一規(guī)范，業(yè)務模型比較簡單，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的所有參數不變，僅增補10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的相關參數。

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有較完善的故障診斷手段，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON可以完全沿用EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的故障診斷參數方法，只需要通過簡單配置修改精度和范圍。

　　在帶寬規(guī)劃參數方面，EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON規(guī)范中定義了3種帶寬類型：固定帶寬、保證帶寬、盡力而為帶寬。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON帶寬類型與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON一致，只有少量參數值待修改，如DBA可配置帶寬，精度，步長。另10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON只需要修改少量的參數即可沿用EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的配置，性能，告警。

　　10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON有相似的運維機制，OLT，ONU不需改動即可支持。

　　在ONU認證方式上，CTC規(guī)范定義EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON和10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON三種ONU認證方式，基于物理標識的認證，基于邏輯標識的認證和混合模式。

　　在管理模式上，EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPONONU具有多種管理模式，包括擴展OAM、擴展OAM+SNMP、擴展OAM+TR069三種方式。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON管理模式，與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON完全一致，沿用EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的擴展OAM定義，增加10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON相關的擴展OAM定義。

　　在北向接口上，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的北向接口與EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON完全兼容。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON完全重用EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON接口參數。

　　現網EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON已經大規(guī)模部署，各地根據運維已經定義了北向接口，并進行了對接聯調。根據EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維流程和OSS系統(tǒng)的需求，各地已有接口參數定義。

　　10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON接口無需重新開發(fā)，業(yè)務支撐系統(tǒng)無需修改，整個運維流程不變。

　　運營商陣營擴充訊速

　　作為EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON下一代技術，10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON技術及產業(yè)鏈當然呈現出蓬勃發(fā)展的態(tài)勢。

　　國內外主流運營商都非常關注10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON技術，部分運營商在進行10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON技術和設備的評估。例如日本的NTTdocomo、韓國的KT、法國電信、意大利電信及中國臺灣中華電信等。部分運營商已經開展10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON的現場試驗。國內運營商也有商用局建設。

　　10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON標準IEEE802.3av已經正式發(fā)布；MAC芯片、光模塊、突發(fā)器件等關鍵技術均已突破；包括中興、華為、阿朗在內的眾多設備廠家均已投入重兵研發(fā)并陸續(xù)推出設備樣機；中國電信、中國聯通、中國移動、法電等國內外多家大運營商非常關注。10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON設備在1年內可規(guī)模商用。

　　EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案厚積薄發(fā)，經過了長期的積累沉淀，正日漸得到市場的認可。在成熟的EPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案基礎上，一脈相承的10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON運維方案已經水到渠成，靜待10GEPON&column_id=ALL&station=%E5%85%A8%E9%83%A8" target="_blank">EPON揚帆啟航，乘風破浪。