JP5410614B2 - クラウドコンピューティングにおける企業のレイヤ2シームレスサイト拡張 - Google Patents
クラウドコンピューティングにおける企業のレイヤ2シームレスサイト拡張 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
- H04L45/04—Interdomain routing, e.g. hierarchical routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/66—Layer 2 routing, e.g. in Ethernet based MAN's
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Description
Claims (10)
- プライベート企業ネットワーク内のソースから受信されたパケットを、プライベート企業ネットワークに割り当てられたクラウドネットワーク内の宛先に送信する方法であって、
クラウドネットワーク内のクラウドデータセンタ内の論理顧客エッジルータによって、プライベート企業ネットワーク内のソースからのレイヤ2パケットを受信するステップであって、論理顧客エッジルータが、プライベート企業ネットワークに割り当てられた資源を備えるクラウドネットワーク内の論理ネットワーク内に位置する、ステップと、
論理顧客エッジルータによって、ディレクトリサーバに宛先のMACアドレスおよびロケーションIPアドレスを問い合わせるステップと、
論理顧客エッジルータが、その宛先が論理ネットワーク内にあると判定するときに、その論理顧客エッジルータによって、受信レイヤ2パケットをカプセル化するステップであって、受信レイヤ2パケットが宛先の対応するMACアドレスヘッダとカプセル化される、ステップと、
論理顧客エッジルータによって、その宛先の対応するロケーションIPヘッダと受信レイヤ2パケットをさらにカプセル化するステップと、
受信レイヤ2パケットを宛先ロケーションIPアドレスを介して宛先MACアドレスに転送する論理顧客エッジルータによって、受信レイヤ2パケットをその宛先に転送するステップと
を備える、方法。 - 宛先のロケーションIPアドレスにあるスイッチによって、受信レイヤ2パケットのロケーションIPヘッダをカプセル開放するステップと、
宛先スイッチによって、受信レイヤ2パケットを宛先のMACアドレスに転送するステップと、
宛先のMACアドレスにある宛先サーバによって、受信レイヤ2パケットのMACヘッダをカプセル開放するステップと、
宛先サーバによって、宛先サーバ内の宛先にレイヤ2パケットを転送するステップと
をさらに備える、請求項1に記載の方法。 - 宛先サーバ内のハイパーバイザによって、受信レイヤ2パケットが同じ企業からであることを確認するステップであって、ハイパーバイザが受信レイヤ2パケットのヘッダ内のセキュリティトークンを検査する、ステップと、
ハイパーバイザによって、レイヤ2パケットのセキュリティトークンが確認されないときに、そのレイヤ2パケットを捨てるステップであって、セキュリティトークンが少なくとも企業特有の鍵、企業ID、および宛先IPアドレスを備える、ステップと
をさらに備える、請求項2に記載の方法。 - 宛先サーバ内のハイパーバイザによって、受信レイヤ2パケットが同じVLANからであることを確認するステップであって、レイヤ2パケットのMACアドレスヘッダ内のVLANタグを分析するハイパーバイザによって実行される、ステップと、
その宛先が同じVLANに属しないときに、ハイパーバイザによって、そのレイヤ2パケットを捨てるステップと、
その宛先が同じVLANに属するときに、ハイパーバイザによって、レイヤ2パケットからMACアドレスヘッダを取り除くステップと、
ハイパーバイザによって、その宛先にレイヤ2パケットを転送するステップと
をさらに備える、請求項2に記載の方法。 - プライベート企業ネットワーク内のソースから受信されたパケットを、プライベート企業ネットワークに割り当てられたクラウドネットワーク内の宛先に送信する方法であって、
クラウドネットワーク内のクラウドデータセンタ内の論理顧客エッジルータによって、プライベート企業ネットワーク内のソースからのレイヤ2パケットを受信するステップであって、論理顧客エッジルータが、プライベート企業ネットワークに割り当てられた資源を備えるクラウドネットワーク内の論理ネットワーク内に位置する、ステップと、
論理顧客エッジルータによって、ディレクトリサーバに宛先のMACアドレスと、ロケーションIPアドレスおよび、クラウドIPアドレスを問い合わせるステップと、
論理顧客エッジルータが、その宛先が論理ネットワーク内にあると判定するときに、その論理顧客エッジルータによって、受信レイヤ2パケットをカプセル化するステップであって、受信レイヤ2パケットが宛先の対応するMACアドレスヘッダ、宛先のクラウドIPヘッダ及び、宛先のロケーションIPヘッダとカプセル化される、ステップと、
論理顧客エッジルータにより、レイヤ2パケットを宛先ロケーションIPアドレスを介して宛先クラウドIPアドレスに転送するステップと、
宛先のロケーションIPアドレスにあるスイッチによって、受信レイヤ2パケットのロケーションIPヘッダをカプセル開放するステップと、
宛先スイッチによって、受信レイヤ2パケットを宛先のクラウドIPアドレスに転送するステップと、
宛先のクラウドIPアドレスにある宛先サーバによって、受信レイヤ2パケットのクラウドIPヘッダをカプセル開放するステップと、
宛先サーバによって、宛先サーバ内の宛先にレイヤ2パケットを転送するステップと
を備える、方法。 - プライベート企業ネットワークに割り当てられたクラウドネットワーク内のソースに由来するパケットを転送する方法であって、
プライベート企業ネットワークに割り当てられた資源を備えるクラウドネットワーク内の論理ネットワーク内に置かれたソース仮想機械をホスティングするサーバ内のハイパーバイザによって、レイヤ2パケットを受信するステップと、
そのサーバにある仮想経路指定および転送テーブル内にレイヤ2パケットの宛先アドレスがないときに、ハイパーバイザによって、論理ネットワーク内のディレクトリサーバに宛先アドレスを問い合わせるステップと、
ディレクトリサーバから受信されたMACアドレスエントリに対応するMACヘッダとレイヤ2パケットを、ハイパーバイザによって、カプセル化するステップと、
ディレクトリサーバから受信された宛先のクラウドIPアドレスに対応するロケーションIPヘッダとレイヤ2パケットを、ハイパーバイザによって、さらにカプセル化するステップと、
ハイパーバイザによって、レイヤ2パケットを宛先ロケーションIPアドレスを介して宛先MACアドレスに転送するステップと
を備える、方法。 - クラウドネットワーク内のクラウドデータセンタ内の論理顧客エッジルータによって、パケットのロケーションIPヘッダをカプセル開放するステップと、
ディレクトリサーバ内に宛先についてのエントリが存在するときに、論理顧客エッジルータによって、第1のMACヘッダを宛先MACアドレスに対応する第2のMACヘッダで置換するステップと、
ディレクトリサーバ内に宛先についてのエントリが存在するときに、論理顧客エッジルータによって、第2のMACヘッダをもつレイヤ2パケットを宛先MACアドレスにトンネリングするステップと、
仮想経路指定および転送テーブル内に宛先についてのエントリが存在しないときに、論理顧客エッジルータによって、第1のMACアドレスをMACブロードキャストヘッダで置換するステップと、
仮想経路指定および転送テーブル内の宛先についてのエントリが存在しないときに、論理顧客エッジルータによって、MACブロードキャストヘッダをもつレイヤ2パケットをプライベート企業ネットワーク内の各顧客エッジルータにトンネリングするステップと
をさらに備える、請求項6に記載の方法。 - ハイパーバイザによって、企業特有の鍵、企業ID、および宛先IPアドレスの組合せを備えるセキュリティトークンを計算するステップと、
ハイパーバイザによって、パケットをセキュリティトークンとカプセル化するステップと
をさらに備える、請求項6に記載の方法。 - プライベート企業ネットワーク内の宛先にある顧客エッジルータによって、MACヘッダをカプセル開放するステップと、
宛先にある顧客エッジルータによって、受信パケットのヘッダ内のセキュリティトークンを確認して捨てるステップと、
セキュリティトークンが確認されないときに、宛先にある顧客エッジルータによって、受信パケットを捨てるステップと
をさらに備える、請求項8に記載の方法。 - ディレクトリサーバから受信された宛先のクラウドIPアドレスに対応するクラウドIPヘッダとレイヤ2パケットを、ハイパーバイザによって、さらにカプセル化するステップと、
クラウドデータセンタ内の論理顧客エッジルータによって、パケットのクラウドIPヘッダをカプセル開放するステップと
をさらに備える、請求項8に記載の方法。
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US12/571,274 US8532108B2 (en) | 2009-09-30 | 2009-09-30 | Layer 2 seamless site extension of enterprises in cloud computing |
US12/571,274 | 2009-09-30 | ||
PCT/US2010/049570 WO2011041162A1 (en) | 2009-09-30 | 2010-09-21 | Layer 2 seamless site extension of enterprises in cloud computing |
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EP (1) | EP2484059B1 (ja) |
JP (1) | JP5410614B2 (ja) |
KR (1) | KR101379112B1 (ja) |
CN (1) | CN102577255B (ja) |
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US20110075667A1 (en) | 2011-03-31 |
JP2013507045A (ja) | 2013-02-28 |
CN102577255A (zh) | 2012-07-11 |
WO2011041162A1 (en) | 2011-04-07 |
EP2484059A1 (en) | 2012-08-08 |
CN102577255B (zh) | 2014-11-05 |
KR20120049929A (ko) | 2012-05-17 |
EP2484059B1 (en) | 2014-11-05 |
US8532108B2 (en) | 2013-09-10 |
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