BIG-IP应用优化为广域网带来的优势

BIG-IPWebWebWebBIG-IPBIG-IP9.xF5NetworksBIG-IPwebBIG-IPF5F5GomezBIG-IP75%80%98%BIG-IPF5WANLAN11BIG-IP(FastCache)BIG-IP36%95%TCPBIG-IPWAN(TM/OS)TCPExpressBIG-IPBIG-IP2243.250BIG-IP3224WANTCPExpressBIG-IPTCP50%GomezPerformanceNetworkF5GomezPerformanceNetworkGomezPerformanceNetwork10,000(NetworkComputing)F5GPNF51020——F5WAN“”“”BEAWebLogicSiebelBusinessApplicationsMicrosoftSharePointMicrosoftOutlookWebAccessWANMicrosoftInternetInformationServices(IIS)www.f5.comMicrosoftOutlookWebAccessGomezGomezGomezGomezGomezGomezPerformanceNetworkGomez“”F5GomezGomezPerformanceNetworkGomezPerformanceNetwork“”——“”“”——――Gomez——ABGomezBIG-IPGomez2000BIG-IPBIG-IPBIG-IPRAMWeb//“”RFC2616200203206300301410GETHEAD“”F5iRulesAgent-less————5Web――TCPExpressTCPWANLANTCPWindows98XP2000IBMAIXSunSolaris/WANTCP(DelayedandSelectiveAcknowledgments)RFC2018WAN(ExplicitCongestionNotification)RFC3168BIG-IPbackoff(LimitedandFastRe-Transmits)RFC3042RFC2582(AdaptiveInitialCongestionWindows)RFC3390HTTP30%28.8bps10%(SlowStartwithCongestionAvoidance)RFC2581TCP(TCPSlowStart)RFC3390(TimeStampsandWindowsScaling)RFC1323BIG-IPTCPL7iRulesL2-L7――MACIPL7HTTPcookie-“”――FTP“”“FIFO(PriorityFIFO)”“(StochasticFairQueue)”iRulesSSLSSL——SSL——F5ASICCPUBIG-IP5000TPSBIG-IPLTM680020,000TPSHTTPHTTPSHTTPSSLHTTPiRulesSSLOneConnectTCPHTTPTCP――HTTP――——