惠民彩票
VPN 業務介紹——組建企業內部網的理想選擇


一、什么是VPN業務?

    VPN是利用公眾網資源為客戶構成專用網的一種業務。通過對網絡數據的封包和加密傳輸,在公網上傳輸私有數據、達到私有網絡的安全級別。它是一種邏輯上的專用網絡,它向用戶提供一般專用網絡所具有的功能,但本身卻不是一個獨立的物理網絡。
    企業用VPN通過公眾網絡建立了私有數據傳輸通道,將遠程的分支辦公室、商業伙伴、移動辦公人員等連接起來,并且提供了安全的端到端的數據通訊。企業不用專門租線自己組網,從而減輕了遠程訪問和租線的費用負擔,節省設備、人員和管理所需的投資。VPN兼備了公眾網和專用網的許多特點,將公眾網可靠的性能、豐富的功能與專用網的安全 、靈活、高效結合在一起。
    鐵通網絡的VPN服務基于CRnet,二期覆蓋128個城市,年底將達200個城市,擁有很高的帶寬和傳輸速率,從設備、線路和路由都有冗余保護措施。

二、VPN業務介紹:

    為用戶在公共IP網絡上構建企業的虛擬專網,滿足企業在不同城市分支機構間安全、快速、可靠的通信需求,并能夠支持數據、語音、圖像等高質量、高可靠性的多媒體業務。 MPLS VPN能夠為企業提供的服務 ·解決內部通話,節省長途話費 ·方便地召開總部和各分支機構之間的視頻會議 ·企業連接到國際互聯網,建立網站對外發布信息 ·支持移動辦公,隨時隨地登陸到企業內部網 ·安全、方便地同客戶和供應商進行信息的交流和資源的共享 MPLS VPN的優點 ·經濟節約采用IP方式接入,在提供與專線同等效率服務的同時,可使接入費用成倍降低;不必對原有接入設備做任何改變,保護了企業的現有網絡投資;通過業務綜合(如數據、語音和視頻),可以降低設備投資費用;網絡資源和技術的外包服務降低了企業的人員培訓費用和維護運作成本。 ·安全可靠與傳統IP網絡相比,可提供面向連接的服務,具有更高的網絡QOS保障;采用路由隔離、地址隔離、信息隱藏、支持企業對數據加密等多種手段確保數據傳送安全;大帶寬、多節點、多路由、充裕的網絡和傳輸資源保證網絡可靠性,使之不存在單點故障。 ·擴展靈活基于IP網絡,可實現各種新增增值業務與現有網絡的無縫鏈接;增加節點只需要一個端口/一條線路接入網絡,不需逐條配置各節點間的電路,避免了N平方的擴展性問題;可方便地調整網絡拓撲結構,不需要用戶側新增任何線路或修改任何配置。 ·管理簡單 IP網絡具有比其他網絡技術更為優越的網絡管理性能,使企業在享受VPN所帶來的時間與費用的節約的同時,可以集中精力從事更多的企業核心業務。 鐵通MPLS VPN業務的優勢 ·真正意義的全程全網,統一業務,統一實施 ·高容量的骨干層設備和鏈路帶寬 ·完整和專業的企業虛擬網絡規劃和咨詢 ·完善的售前、售后技術支持服務 ·具有競爭力的價格優勢
惠民彩票
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