MTKRichard HsiehSDN架构下的芯片设计挑战.pdf

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1、ChipDesignChallengeinSDNEnvironmentSDN架构下的芯片设计挑战RichardHsieh谢瑞琛DeputyGM,DataCenterNetworkingBU，联发科数据中心网络事业部副总经理MediaTekMay20,2014CurrentNetworkArchitecture现有网络架构VerticalIntegrated垂直集成NetworkAppsClosedSystem封闭系统CustomControlPlaneProprietary厂商丏有CustomSiliconSlowInnovation创新速度缓慢CONFIDENTIAL

2、BCopyright©MediaTekInc.Allrightsreserved.2014-05-233NewNetworkArchitecture新网络架构DecoupleBusinessAppAppApp▪HorizontalEcosystemsApplication水平生态系统独立的应用OpenInterfaceAPI开放接口▪OpenSystemControlPlane开放系统控制平面CentralizedIntelligence集中式智能控制系统OpenInterface▪LayerAbstraction开放接口抽象层MerchantSilicon商用芯片CostEf

3、fectiveHardware▪FastInnovation高性价比的硬件快速创新CONFIDENTIALBCopyright©MediaTekInc.Allrightsreserved.2014-05-234WhatisSDNOptimizedSwitchingChip什么是基于SDN优化的交换芯片Cost&Performance成本与性能Flexibility&TrueOpenProgrammabilityEcosystem灵活性和可编程性真正的开放系统SDNOptimizedChip基于SDN优化的交换芯片CONFIDENTIALBCopyright©MediaTekIn

4、c.Allrightsreserved.2014-05-235ChipVendors'Challenge芯片供应商的挑战InvestmentRisk•Resource(资源)•Developmenttime(开发周期)投资风险•Prototype(原型)MarketRisk•Application(应用场景)•Standardsmaturity(标准成熟度)市场风险•TAM(市场容量)DesignRisk•Chipsize(芯片尺寸)•Architecturecomplication(结构复杂)设计风险•Resourceallocation(资源分配)CONFIDENTIALB

5、Copyright©MediaTekInc.Allrightsreserved.2014-05-236LegacySwitchingPipeline传统交换架构PacketPacketACLModifiParserL2L3访问控er数据包二层三层制列表数据包解析修改CONFIDENTIALBCopyright©MediaTekInc.Allrightsreserved.2014-05-237LegacySwitchingPipeline传统交换架构PacketPacketACLModifiParserL2L3访问控er数据包二层三层制列表数据包解析修改Parsingheader

6、fieldbasedonknownprotocol根据已知协议解析数据包字段CONFIDENTIALBCopyright©MediaTekInc.Allrightsreserved.2014-05-238LegacySwitchingPipeline传统交换架构PacketPacketACLModifiParserL2L3访问控er数据包二层三层制列表数据包解析修改MACAddressExactMatchandLearningMAC地址精确匹配与学习CONFIDENTIALBCopyright©MediaTekInc.Allrightsreserved.2014-05-239L

7、egacySwitchingPipeline传统交换架构PacketPacketACLModifiParserL2L3访问控er数据包二层三层制列表数据包解析修改LongestPrefixMatch最长前缀匹配CONFIDENTIALBCopyright©MediaTekInc.Allrightsreserved.2014-05-2310LegacySwitchingPipeline传统交换架构PacketPacketACLModifiParserL2L3访问控er数据包二层三层制列表数据包