JP5550757B2 - リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク - Google Patents
リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク Download PDFInfo
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- JP5550757B2 JP5550757B2 JP2013048223A JP2013048223A JP5550757B2 JP 5550757 B2 JP5550757 B2 JP 5550757B2 JP 2013048223 A JP2013048223 A JP 2013048223A JP 2013048223 A JP2013048223 A JP 2013048223A JP 5550757 B2 JP5550757 B2 JP 5550757B2
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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
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
- H04L12/4625—Single bridge functionality, e.g. connection of two networks over a single bridge
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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
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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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
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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
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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
- H04L45/03—Topology update or discovery by updating link state protocols
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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
- H04L45/42—Centralised 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
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/742—Route cache; Operation thereof
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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
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
Description
1)最短のパスが、ローカルのスイッチされたドメインの出口に直ちにあるとき、直接接続されたネットワーク・レイヤーフォーワーダーにパケットをフォワードする。
2)UNI I−SIDにパケットをフォワードする。このことは、パケットを、VFEから仮想ブリッジにパケットオフ(packet off)のハンドリングをすることを必要とする。仮想ブリッジは、ネットワークレイヤのための適切なC−MACを決定し、そして、これを適切なB−MACに解決する。これによって、スイッチされたドメインから出口に到達する。
3)スイッチされたドメインのピアVFEにパケットをフォワードする。このことは、ピアVFEノードのMACを解決し、適切にパケットのフォワードを行う。
4)UNIポートにパケットをフォワードする。
例えば、IPv4またはIPv6生存時間(TTL:time to live)カウンタをデクリメントすることによって、パケットの通常のネットワークレイヤ処理は、VFEフォワード方法の一部として実行される。
Claims (6)
- リンクステートプロトコル制御されたイーサーネット・ネットワーク上で作動するノードのフォワーディング・ステートをインストールする方法であって:
前記リンクステートプロトコル制御されたイーサーネット・ネットワーク内の第2のノードによって取得可能なネットワークレイヤプレフィクスを含むリンクステートアドバタイズメント(LSA)を、リンクステートプロトコル制御されたイーサーネット・ネットワーク内で作動する第1のノードによって受信するステップであって、前記第1のノードおよび前記第2のノード間のパスは、前記リンクステートプロトコル制御されたイーサーネット・ネットワークの複数のリンクを含むところのステップと、
ネットワーク・レイヤー・アドレスと前記リンクステートプロトコル制御されたイーサーネット・ネットワーク内の前記第2のノードのイーサネット(登録商標)MACアドレスとの間の関連を示すルーティングテーブルを更新するステップと;
を有する方法。 - 前記第1のノードが、前記ネットワーク・レイヤー・アドレスにアドレスされたパケットのためのMACヘッダを生成できるよう、前記第1のノード内のテーブルエントリのフォワーディングをアップデートするステップであって、前記MACヘッダは、前記リンクステートプロトコル制御されたイーサーネット・ネットワークの前記第2のノードのデスティネーションMACアドレスを含むところのステップ、
を更に有する、請求項1記載の方法。 - 前記ネットワーク・レイヤー・アドレスにアドレスされた前記パケットを受信するステップと、前記MACヘッダを作成するステップと、前記リンクステートプロトコル制御されたイーサーネット・ネットワーク上の前記パケットをフォワードするステップと
を更に有する、請求項2記載の方法。 - 前記ネットワークレイヤプレフィクスは、IPv4またはIPv6ネットワーク・レイヤー・アドレスである、請求項1記載の方法。
- 前記ネットワークレイヤプレフィクスは、仮想化されたサブネットを参照する、請求項4記載の方法。
- 前記仮想化されたサブネットは、前記前記リンクステートプロトコル制御されたイーサーネット・ネットワークのトポロジから切り離される、請求項5記載の方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US625807A | 2007-12-31 | 2007-12-31 | |
US12/006,258 | 2007-12-31 | ||
US12/151,684 | 2008-05-08 | ||
US12/151,684 US9432213B2 (en) | 2007-12-31 | 2008-05-08 | IP forwarding across a link state protocol controlled ethernet network |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010540940A Division JP5291122B2 (ja) | 2007-12-31 | 2008-12-30 | リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク |
Publications (2)
Publication Number | Publication Date |
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JP2013138507A JP2013138507A (ja) | 2013-07-11 |
JP5550757B2 true JP5550757B2 (ja) | 2014-07-16 |
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JP2010540940A Expired - Fee Related JP5291122B2 (ja) | 2007-12-31 | 2008-12-30 | リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク |
JP2013048223A Expired - Fee Related JP5550757B2 (ja) | 2007-12-31 | 2013-03-11 | リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク |
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JP2010540940A Expired - Fee Related JP5291122B2 (ja) | 2007-12-31 | 2008-12-30 | リンクステートプロトコルによるipフォワードにより制御されたイーサーネット・ネットワーク |
Country Status (7)
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US (1) | US9432213B2 (ja) |
EP (2) | EP2227880A4 (ja) |
JP (2) | JP5291122B2 (ja) |
KR (2) | KR20140119775A (ja) |
CN (2) | CN102037685B (ja) |
BR (1) | BRPI0821664A2 (ja) |
WO (1) | WO2009088856A1 (ja) |
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CN102037685B (zh) | 2014-08-27 |
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JP2013138507A (ja) | 2013-07-11 |
CN104079481A (zh) | 2014-10-01 |
EP2227880A1 (en) | 2010-09-15 |
JP5291122B2 (ja) | 2013-09-18 |
EP2466807A1 (en) | 2012-06-20 |
US9432213B2 (en) | 2016-08-30 |
CN102037685A (zh) | 2011-04-27 |
KR20140119775A (ko) | 2014-10-10 |
US20090279536A1 (en) | 2009-11-12 |
JP2011509576A (ja) | 2011-03-24 |
EP2227880A4 (en) | 2011-08-31 |
BRPI0821664A2 (pt) | 2016-05-03 |
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