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Agenda

Agenda. Yi: "Subjective Test Setup and Samples" Niko: "Packeteer". Nikolaus Farber. Packeteer. Company Core technology Products Patent. Company. Founded 1996 Headquarter: Cupertino Employees: 127 worldwide Mission: Provide WAN-QoS infrastructure for business and ASP

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Agenda

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  1. Agenda • Yi: "Subjective Test Setup and Samples" • Niko: "Packeteer"

  2. . . Nikolaus Farber Packeteer • Company • Core technology • Products • Patent

  3. Company • Founded 1996 • Headquarter: Cupertino • Employees: 127 worldwide • Mission: Provide WAN-QoS infrastructure for business and ASP • Initial public offering (NASDAQ PKTR): July 1999, $69 M • Mkt. Cap.: $1.3 B • 6-Month revenue/loss (6-30-00): $16.3 M/$2 M

  4. Core Technology • S. Karandikar, S. Kalyanaraman, P. Bagal, B. Packer, "TCP Rate Control", ACM SIGCOMM, Computer Communication Review, Vol. 30, No. 1, Jan 2000 • Control rate (kbit/s) of individual TCP flows by • Advertised window size • ACK pacing • Compares favorable with RED and ECN • Can control misbehaving TCP flows • TCP-friendly • Limited scalability, up to 20,000 flows at 45 Mbps

  5. Packet Shaper WAN LAN Router Products -PacketShaper • Scenario: • PacketShaper 1500/2500/4500 • Traffic classification (application, protocol, subnet, URL, ...) • Monitoring/analysis • Policy-based bandwidth allocation and enforcement • Presentation, reporting

  6. Products - AppVantage • Scenario: • Application Subscriber Management (ASM)-30/50/70 • Service demarcation • Performance analysis, service level compliance • Billing • End-to-end QoS Branch LAN ASM ... ASP Main Office LAN ASM Branch LAN ASM

  7. Products - PacketWise • Software offered to technology partners • Software components for • Traffic classification • Monitoring/analysis • Policy-based bandwidth allocation and enforcement • Presentation, reporting

  8. Patent • US Patent 6038216, March 2000, R. L. Packer"Method for explicit data rate control in a packet communication environment without data rate supervision" • ACK processing covered in detail for specific embodiment (flow charts) • 19 Claims: "A method/apparatus for controlling data rate of data packets ..." • Claim 1-5,17: Modification of play-out time • Claim 6-11,18: Modification of sequence numbers • Claim 12-16,19: Modification of advertised window

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