JPWO2022015883A5 - - Google Patents

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JPWO2022015883A5
JPWO2022015883A5 JP2023502767A JP2023502767A JPWO2022015883A5 JP WO2022015883 A5 JPWO2022015883 A5 JP WO2022015883A5 JP 2023502767 A JP2023502767 A JP 2023502767A JP 2023502767 A JP2023502767 A JP 2023502767A JP WO2022015883 A5 JPWO2022015883 A5 JP WO2022015883A5
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vsrs
packet
virtual layer
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Claims (21)

方法であって、
ＶＬＡＮスイッチングおよびルーティングサービス（ＶＳＲＳ）のインスタンスのためのテーブルを生成することを含み、前記ＶＳＲＳは、第１の仮想レイヤ２ネットワーク（ＶＬＡＮ）を第２のネットワークに接続し、前記テーブルは、前記仮想レイヤ２ネットワーク内のインスタンスのＩＰアドレス、ＭＡＣアドレス、および仮想インターフェイス識別子を特定するための情報を含み、
前記ＶＳＲＳを用いて、前記仮想レイヤ２ネットワーク内の第１のインスタンスから第２のインスタンスに配信されるパケットを受信することと、
前記ＶＳＲＳを用いて、前記パケットと共に受信した情報および前記テーブルに含まれた情報に基づいて、前記パケットを配信するための前記仮想レイヤ２ネットワーク内の前記第２のインスタンスを特定することと、
特定された前記第２のインスタンスに前記パケットを配信することとを含む、方法。 1. A method comprising:
generating a table for an instance of a VLAN Switching and Routing Service (VSRS), the VSRS connecting a first virtual layer 2 network (VLAN) to a second network, the table including information for identifying an IP address, a MAC address, and a virtual interface identifier of an instance within the virtual layer 2 network;
receiving a packet delivered from a first instance to a second instance in the virtual Layer 2 network using the VSRS;
using the VSRS to identify the second instance within the virtual Layer 2 network for delivering the packet based on information received with the packet and information contained in the table;
and delivering the packet to the identified second instance. 前記第１の仮想レイヤ２ネットワークは、複数のインスタンスを含む、請求項１に記載の方法。 The method of claim 1, wherein the first virtual Layer 2 network includes multiple instances. 前記ＶＬＡＮは、複数のＬ２仮想ネットワークインターフェイスカード（ＶＮＩＣ）と、複数のスイッチとを備え、
前記複数のインスタンスの各々は、固有のＬ２仮想ネットワークインターフェイスカード（ＶＮＩＣ）と固有のスイッチとを含むペアに通信可能に接続されている、請求項２に記載の方法。 The VLAN comprises a plurality of L2 virtual network interface cards (VNICs) and a plurality of switches;
The method of claim 2 , wherein each of the multiple instances is communicatively connected to a pair including a unique L2 virtual network interface card (VNIC) and a unique switch. 前記ＶＳＲＳを用いて、前記パケットと共に受信した情報および前記テーブルに含まれた情報に基づいて、前記パケットを配信するための前記仮想レイヤ２ネットワーク内の前記第２のインスタンスを特定することは、
前記ＶＳＲＳを用いて、前記テーブルが前記第２のインスタンスのマッピング情報を含まないと判断することと、
前記ＶＳＲＳを用いて、前記パケットの配信を保留することと、
前記ＶＳＲＳを用いて、ＡＲＰ要求を前記ＶＬＡＮ内のＶＮＩＣにブロードキャストすることとを含み、前記ＡＲＰ要求は、前記第２のインスタンスのＩＰアドレスを含み、
前記ＶＳＲＳを用いて、前記第２のインスタンスの前記ＶＮＩＣからＡＲＰ応答を受信することを含む、請求項１から３のいずれか一項に記載の方法。 identifying the second instance within the virtual Layer 2 network for delivering the packet based on information received with the packet and information included in the table using the VSRS;
determining, using the VSRS, that the table does not include mapping information for the second instance;
suspending delivery of the packets using the VSRS; and
broadcasting an ARP request to VNICs in the VLAN using the VSRS, the ARP request including an IP address of the second instance;
The method of claim 1 , further comprising receiving an ARP response from the VNIC of the second instance using the VSRS. 前記受信したＡＲＰ応答に基づいて、前記テーブルを更新することをさらに含む、請求項４に記載の方法。 The method of claim 4, further comprising updating the table based on the received ARP response. 前記第１のインスタンスは、前記仮想レイヤ２ネットワークの外部に配置され、前記第２のネットワークの内部に配置される、請求項２または３に記載の方法。 The method of claim 2 or 3, wherein the first instance is located outside the virtual layer 2 network and inside the second network. 前記第２のネットワークは、Ｌ３ネットワークを含む、請求項６に記載の方法。 The method of claim 6, wherein the second network includes an L3 network. 前記第２のネットワークは、第２の仮想レイヤ２ネットワークを含む、請求項６に記載の方法。 The method of claim 6, wherein the second network includes a second virtual layer 2 network. 前記テーブルは、前記ＶＳＲＳによって受信された情報に基づいて生成される、請求項２または３に記載の方法。 The method of claim 2 or 3, wherein the table is generated based on information received by the VSRS. 前記ＶＳＲＳを複数のハードウェアノード上のサービスとしてインスタンス化することをさらに含む、請求項９に記載の方法。 The method of claim 9, further comprising instantiating the VSRS as a service on multiple hardware nodes. 前記ハードウェアノードの間に前記テーブルを配布することをさらに含む、請求項１０に記載の方法。 The method of claim 10, further comprising distributing the table among the hardware nodes. 前記ハードウェアノードの間に配布された前記テーブルは、別のＶＳＲＳインスタンス化によって入手可能である、請求項１１に記載の方法。 The method of claim 11, wherein the table distributed among the hardware nodes is available through another VSRS instantiation. 前記第１のインスタンスは、前記第１の仮想レイヤ２ネットワークの内部にある、請求項１から３のいずれか一項に記載の方法。 The method of any one of claims 1 to 3, wherein the first instance is internal to the first virtual layer 2 network. 前記ＶＳＲＳを用いて、前記仮想レイヤ２ネットワーク内の第３のインスタンスからパケットを受信することをさらに含み、前記パケットは、前記仮想レイヤ２ネットワークの外部の第４のインスタンスに配信され、
前記パケットを前記第４のインスタンスに転送することをさらに含む、請求項１から１３のいずれか一項に記載の方法。 receiving a packet from a third instance within the virtual Layer 2 network using the VSRS, the packet being delivered to a fourth instance outside the virtual Layer 2 network;
The method of claim 1 , further comprising forwarding the packet to the fourth instance. 前記ＶＳＲＳを用いて、前記仮想レイヤ２ネットワーク内の第３のインスタンスからパケットを受信することをさらに含み、
前記パケットは、前記仮想レイヤ２ネットワーク内の前記第３のインスタンスによって使用されるサービスに配信される、請求項１から１３のいずれか一項に記載の方法。 receiving a packet from a third instance in the virtual Layer 2 network using the VSRS;
14. The method of claim 1, wherein the packet is delivered to a service used by the third instance in the virtual Layer 2 network. 前記サービスは、ＤＨＣＰ、ＮＴＰ、およびＤＮＳのうちの少なくとも１つを含む、請求項１５に記載の方法。 The method of claim 15, wherein the services include at least one of DHCP, NTP, and DNS. 前記ＶＳＲＳを用いて、１つの仮想レイヤ２ネットワーク内の第３のインスタンスからパケットを受信することをさらに含み、
前記パケットは、第２の仮想レイヤ２ネットワーク内の第４のインスタンスに配信される、請求項１から１３のいずれか一項に記載の方法。 receiving packets from a third instance in a virtual Layer 2 network using the VSRS;
The method of claim 1 , wherein the packet is delivered to a fourth instance in a second virtual Layer 2 network. 高い信頼性および高い拡張性のＶＳＲＳインスタンス化を提供するために、レイヤ２およびレイヤ３ネットワーク情報を有する前記ＶＳＲＳの前記インスタンスのための前記テーブルを複数のサービスノードにわたって配布することをさらに含む、請求項１から９のいずれか一項に記載の方法。 The method of any one of claims 1 to 9, further comprising distributing the table for the instance of the VSRS with layer 2 and layer 3 network information across multiple service nodes to provide highly reliable and highly scalable VSRS instantiation. 前記ＶＳＲＳを用いて、前記第１の仮想レイヤ２ネットワーク内の第３のインスタンスからパケットを受信することと、
前記ＶＳＲＳを用いて、前記第３のインスタンスのマッピングを学習することとをさらに含む、請求項１から１８のいずれか一項に記載の方法。 receiving a packet from a third instance in the first virtual Layer 2 network using the VSRS; and
19. The method of claim 1, further comprising: using the VSRS to learn a mapping of the third instance. 請求項１～１９のいずれかに記載の方法をコンピュータに実行させるためのプログラム。A program for causing a computer to execute the method according to any one of claims 1 to 19. 請求項２０に記載のプログラムを格納した非一時的なコンピュータ可読記憶媒体と、A non-transitory computer-readable storage medium storing the program according to claim 20;
前記プログラムを実行する一つ以上のプロセッサとを備える、システム。and one or more processors for executing the program.
JP2023502767A 2020-07-14 2021-07-14 System and method for VLAN switching and routing services Pending JP2023535149A (en)

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