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

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

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

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

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