JP5890595B2 - 仮想クラウドインフラストラクチャへの仮想セキュリティ装置アーキテクチャの提供 - Google Patents
仮想クラウドインフラストラクチャへの仮想セキュリティ装置アーキテクチャの提供 Download PDFInfo
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Description
例示の実施形態における方法は、仮想ネットワークインフラストラクチャの仮想サーバ内の仮想マシンについての変化を検出するステップと、仮想セキュリティ装置が仮想サーバ内で構成されるかどうかを判断するステップと、仮想セキュリティ装置を仮想サーバ内で作成するよう要求を送信するステップとを含む。当該方法は更に、仮想セキュリティ装置が仮想マシン内で作成されるときに、仮想マシンが開始するのを許可するステップを含む。仮想セキュリティ装置は、仮想マシンから送信されるネットワークパケットに対してセキュリティ検査を実行する。より具体的な実施形態では、当該方法は更に、仮想マシンからのネットワークパケットをインターセプトするインターセプト機構を仮想サーバ内に作成するステップを含む。更なる実施形態では、1つ又は複数のセキュリティポリシーが、1つ又は複数の仮想セキュリティ装置を識別し、仮想マシンからのネットワークパケットを処理する。
図1は、本開示の一実施形態に従って、仮想クラウドインフラストラクチャにおいて仮想セキュリティ装置を提供するための通信システム100の例示的な図である。通信システム100は、ハードウェアレイヤ110、(仮想マシンマネージャ(VMM)120によって一般的に表される)仮想化レイヤ、コアリソース135のセット、仮想化されたデスクトップインフラストラクチャ(VDI)130及びクラウドマネージャ150を備える仮想クラウドインフラストラクチャを表す。ハードウェアレイヤ110は、サーバ112、他のネットワークデバイス116及びストレージ114を含むことができる。コアリソース135は、ネットワークプロトコルを含み、例えば内部ネットワークや無線ネットワーク、インターネット等を含め様々なネットワークへのアクセスを可能にし、管理することができる。1つの例示の実装では、コアリソース135は、動的ホスト構成プロトコル(DHCP)ネットワーキングプロトコルサーバ136、ドメイン名サービス(DNS)137、認証許可アカウンティング(AAA:Authentication, Authorization, and Accounting)ネットワーキングプロトコルサーバ138を含むことができる。仮想セキュリティシステム160は、通信システム100における仮想セキュリティ装置のアーキテクチャを提供及び管理するのを可能にするのに提供される。仮想セキュリティシステムは、ポリシーレイヤ170、セキュリティマネージャ175、分散レイヤ180及びインターセプトレイヤ190を含むことができる。
typedef unsigned char mac_addr[6];
typedef struct{
mac addr dst; //Ethernet header, destination
mac_addr src; //Ethernet header, source
U16 etherType; //Ethernet header, type
U8 num_src_route; //number of elements in the source route array
mac addr src route[this.num_src_type]; //the source route
}mac_src_route_header;
上記のタイプはバイトに関してパケット化されることを想定している。上記において、ヘッダの最初の部分は、EthernetII MACヘッダのように見える。この構成は、MACヘッダに関連して説明されるが、IEEE802.3ヘッダを使用するネットワークのように、他のタイプのヘッダに適合するよう、適切な変更を行ってもよい。元のパケットは、mac_src_route_headerの後で始まる。このためのオフセットは、各VSAについて元のパケットを回復するよう、num_src_route*6+14として計算され得る。処理中に、mac_src_route_headerは保存される必要がある。一例において、フローテーブル582は、ドライバレベルで構築され、パケットストリーム内の各パケットについて同じヘッダを使用してよい。出力において、src_route_next_headerがインクリメントされ、src_routeアレイ内の次のMACアドレスがdstフィールドにコピーされる。
Claims (24)
- コンピュータプログラムであって、少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに、
仮想ネットワークインフラストラクチャの仮想サーバ内において、仮想マシンの変化を検出し、
前記仮想サーバ内で仮想セキュリティ装置が構成されているかどうかを判断し、
前記仮想サーバ内で前記仮想セキュリティ装置を作成するよう要求を送信し、
前記仮想セキュリティ装置が前記仮想サーバ内で作成されるときに、前記仮想マシンが開始するのを許可する、
動作を実行させ、
前記仮想セキュリティ装置は、前記仮想マシンから送信されるネットワークパケットに対するセキュリティ検査を実行し、前記仮想マシンについて検出される前記変化は、前記仮想マシンについて新たなセキュリティポリシーを要求すること又は前記仮想マシンのセキュリティポリシーを更新することの一方を含む、
コンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記仮想サーバ内に、前記仮想マシンからの前記ネットワークパケットをインターセプトするインターセプト機構を作成する、
動作を実行させる、請求項1に記載コンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記仮想マシンからの前記ネットワークパケットを物理ネットワークインタフェースカードに向けるよう、前記仮想マシンに接続される仮想スイッチのロジックを再構成し、
前記ネットワークパケットが仮想ネットワークインタフェースカード(vNIC)を通過するのを防ぐよう、前記vNICのロジックを再構成する、
動作を実行させる、請求項2に記載のコンピュータプログラム。 - 前記インターセプト機構は、単一ルート入出力仮想化(SR−IOV)仕様に基づくネットワークパケットのハードウェアインターセプトを含む、
請求項2又は3に記載のコンピュータプログラム。 - 前記変化は、前記仮想マシンを、第2の仮想サーバから前記仮想サーバに移動させることを含み、当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記第2の仮想サーバから第2の仮想セキュリティ装置を削除し、
仮想ネットワークインタフェースカードを介して通信するよう前記第2の仮想サーバ内の仮想スイッチのロジックを再構成する動作を実行させ、
前記第2の仮想セキュリティ装置は、前記仮想マシンが前記第2の仮想サーバ内で実行しているときに前記仮想マシンからインターセプトされたネットワークパケットを処理するように構成されている、
請求項1−4のいずれかに記載のコンピュータプログラム。 - 1つ又は複数のセキュリティポリシーは、前記仮想マシンからの前記ネットワークパケットを処理するよう1つ又は複数の仮想セキュリティ装置を識別する、
請求項1−5のいずれかに記載のコンピュータプログラム。 - 前記1つ又は複数のセキュリティポリシーは、1つ又は複数の仮想セキュリティ装置について、前記仮想マシンからの前記ネットワークパケットを処理する順序を識別する、
請求項6に記載のコンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記仮想セキュリティ装置の利用率を判断するのに前記仮想サーバ上の前記仮想セキュリティ装置にクエリし、
前記クエリに対する応答を受信する、
動作を実行させる、請求項1−7のいずれかに記載のコンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記応答が、前記仮想セキュリティ装置によってより多くの容量が必要とされることを示すとき、前記仮想サーバ内に第2の仮想セキュリティ装置を作成するよう要求を送信する、
動作を実行させる、請求項8に記載のコンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記ネットワークパケットが前記仮想セキュリティ装置に送信されることを防ぎ、
前記応答が、前記仮想セキュリティ装置の利用率が低いことを示すとき、前記仮想セキュリティ装置がアイドル状態であれば、前記仮想セキュリティ装置を削除する、
動作を実行させる、請求項8に記載のコンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記応答が、前記仮想セキュリティ装置の利用率が多いことを示すとき、更なる処理リソース及び更なるメモリのうちの少なくとも一方を前記仮想セキュリティ装置に割り当てるよう要求を送信する、
動作を実行させる、請求項8又は9に記載のコンピュータプログラム。 - 前記仮想マシンについて検出される前記変化は、前記仮想マシンを前記仮想サーバに追加すること又は前記仮想マシンを別の仮想サーバから前記仮想サーバに移動させることの一方を含む、
請求項1−4及び6−11のいずれかに記載のコンピュータプログラム。 - 前記変化は、アプリケーションプログラミングインタフェース(API)を通して、前記仮想マシンが前記仮想サーバに追加されるとき又は前記仮想マシンが異なるサーバに移動されるときに検出される、
請求項1−11のいずれかに記載のコンピュータプログラム。 - 当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記仮想セキュリティ装置が前記仮想サーバ内で構成されない場合、前記仮想マシンをブロックする、
動作を実行させる、請求項1−13のいずれかに記載のコンピュータプログラム。 - 前記仮想マシンからのパケットフローの最初の出力ネットワークパケットは、前記仮想マシンが前記仮想サーバ内で開始することを許可された後、前記仮想サーバ内のOpenFlowスイッチによってインターセプトされ、当該コンピュータプログラムは、前記少なくとも1つのプロセッサによって実行されると、該少なくとも1つのプロセッサに更に、
前記出力ネットワークパケットのためのフロールートを、セキュリティポリシーに基づいて生成する、
動作を実行させ、前記OpenFlowスイッチは、前記出力ネットワークパケットを前記フロールートに従ってルーティングする、
請求項1−14のいずれかに記載のコンピュータプログラム。 - プロセッサ上で動作するポリシーマネージャの仮想マシンであって、
仮想ネットワークインフラストラクチャの仮想サーバ内において、ゲスト仮想マシンの変化を検出し、
前記仮想サーバ内で仮想セキュリティ装置が構成されているかどうかを判断し、
前記仮想セキュリティ装置が前記仮想サーバ内で作成されるときに、前記仮想マシンが開始するのを許可する、
ように構成されるポリシーマネージャの仮想マシンと、
プロセッサ上で動作する分散マネージャの仮想マシンであって、前記仮想サーバ内で前記仮想セキュリティ装置を作成するよう要求を送信するように構成される、分散マネージャの仮想マシンと、
を備え、前記仮想セキュリティ装置は、前記仮想マシンから送信されるネットワークパケットに対するセキュリティ検査を実行し、前記仮想マシンについて検出される前記変化は、前記仮想マシンについて新たなセキュリティポリシーを要求すること又は前記仮想マシンのセキュリティポリシーを更新することの一方を含む、
装置。 - 分散マネージャは、
前記仮想サーバ内に、前記仮想マシンからの前記ネットワークパケットをインターセプトするインターセプト機構を作成する、
ように構成される、請求項16に記載の装置。 - 前記分散マネージャは、
前記仮想マシンからの前記ネットワークパケットを物理ネットワークインタフェースカードに向けるよう、前記仮想マシンに接続される仮想スイッチのロジックを再構成し、
前記ネットワークパケットが仮想ネットワークインタフェースカード(vNIC)を通過するのを防ぐよう、前記vNICのロジックを再構成する、
ように更に構成される、請求項17に記載の装置。 - 前記ポリシーマネージャは、
前記仮想セキュリティ装置が、前記仮想サーバ内で構成されていない場合、前記仮想マシンをブロックする、
ように更に構成される、請求項16−18のいずれかに記載の装置。 - 仮想ネットワークインフラストラクチャの仮想サーバ内において、仮想マシンの変化を検出するステップと、
前記仮想サーバ内で仮想セキュリティ装置が構成されているかどうかを判断するステップと、
前記仮想サーバ内で前記仮想セキュリティ装置を作成するよう要求を送信するステップと、
前記仮想セキュリティ装置が前記仮想サーバ内で作成されるときに、前記仮想マシンが開始するのを許可するステップと、
を含む方法であって、
前記仮想セキュリティ装置が、前記仮想マシンから送信されるネットワークパケットに対するセキュリティ検査を実行し、
前記変化は、前記仮想マシンを、第2の仮想サーバから前記仮想サーバに移動させることを含み、当該方法は更に、
前記第2の仮想サーバから第2の仮想セキュリティ装置を削除するステップと、
仮想ネットワークインタフェースカードを介して通信するよう前記第2の仮想サーバ内の仮想スイッチのロジックを再構成するステップと、
を含み、前記第2の仮想セキュリティ装置は、前記仮想マシンが前記第2の仮想サーバ上で実行しているときに前記仮想マシンからインターセプトされたネットワークパケットを処理するように構成されている、
方法。 - 1つ又は複数のセキュリティポリシーは、1つ又は複数の仮想セキュリティ装置を識別して、前記仮想マシンからの前記ネットワークパケットを処理する、
請求項20に記載の方法。 - 前記仮想セキュリティ装置が、前記仮想サーバ内で構成されていない場合、前記仮想マシンをブロックするステップ
を更に含む、請求項20又は21に記載の方法。 - 前記仮想マシンについて検出される変化は、前記仮想マシンについて新たなセキュリティポリシーを要求すること又は前記仮想マシンのセキュリティポリシーを更新することの一方を含む、
請求項20−22のいずれかに記載の方法。 - 前記仮想マシンからのパケットフローの最初の出力ネットワークパケットは、前記仮想マシンが前記仮想サーバ内で開始することを許可された後、前記仮想サーバ内のOpenFlowスイッチによってインターセプトされ、当該方法は、
前記出力ネットワークパケットのためのフロールートを、セキュリティポリシーに基づいて生成するステップ
を更に含み、前記OpenFlowスイッチは、前記出力ネットワークパケットを前記フロールートに従ってルーティングする、
請求項20−23のいずれかに記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/656,730 US9571507B2 (en) | 2012-10-21 | 2012-10-21 | Providing a virtual security appliance architecture to a virtual cloud infrastructure |
| US13/656,730 | 2012-10-21 | ||
| PCT/US2013/065806 WO2014063129A1 (en) | 2012-10-21 | 2013-10-20 | Providing a virtual security appliance architecture to a virtual cloud infrastructure |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016029265A Division JP6151394B2 (ja) | 2012-10-21 | 2016-02-18 | 仮想クラウドインフラストラクチャへの仮想セキュリティ装置アーキテクチャの提供 |
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| Publication Number | Publication Date |
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| JP2015536003A JP2015536003A (ja) | 2015-12-17 |
| JP5890595B2 true JP5890595B2 (ja) | 2016-03-22 |
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| US9571507B2 (en) | 2017-02-14 |
| JP2015536003A (ja) | 2015-12-17 |
| US12218956B2 (en) | 2025-02-04 |
| US20140115578A1 (en) | 2014-04-24 |
| CN108062482B (zh) | 2021-09-17 |
| CN104685507B (zh) | 2018-02-09 |
| US20210344692A1 (en) | 2021-11-04 |
| US11025647B2 (en) | 2021-06-01 |
| JP2017194979A (ja) | 2017-10-26 |
| CN108062482A (zh) | 2018-05-22 |
| WO2014063129A1 (en) | 2014-04-24 |
| EP2909780A1 (en) | 2015-08-26 |
| EP2909780B1 (en) | 2019-11-27 |
| JP6151394B2 (ja) | 2017-06-21 |
| EP2909780A4 (en) | 2016-06-01 |
| US20170264622A1 (en) | 2017-09-14 |
| JP2016129043A (ja) | 2016-07-14 |
| JP6335363B2 (ja) | 2018-05-30 |
| CN104685507A (zh) | 2015-06-03 |
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