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    • 3. 发明授权
    • Packet network telephone interface system for POTS
    • POTS分组网电话接口系统
    • US06711160B2
    • 2004-03-23
    • US09052722
    • 1998-03-31
    • Shun-Shing ChanNathan Junsup LeeKiyoshi Maruyama
    • Shun-Shing ChanNathan Junsup LeeKiyoshi Maruyama
    • H04L1264
    • H04M7/125H04L12/66H04M1/2535H04M1/57Y10S379/90
    • The packet network phone unit is an interface between a telephone instrument and a packet network for enabling voice data to be communicated over the packet network. The unit also functions as a gateway between a packet network and a public switched telephone network, thereby interconnecting the networks and providing a public switched telephone network gateway to a packet network. When power is not supplied to the unit, a fallback switch automatically links the telephone instrument directly to the public switched network, bypassing the circuitry in the unit. The unit includes links to a plurality of external serial communications lines as well as an interface for connecting to a personal computer. The unit also includes an LCD driver and a display for displaying information such as a caller identification. The packet network phone unit also may function an answering machine/messaging system.
    • 分组网络电话单元是电话乐器和分组网络之间的接口,用于使语音数据能够通过分组网络进行通信。 该单元还用作分组网络和公共交换电话网络之间的网关,从而互连网络并且向分组网络提供公共交换电话网络网关。 当电源未提供给本机时,后备开关会自动将电话仪器直接连接到公共交换网络,从而绕过本机中的电路。 该单元包括到多个外部串行通信线路的链接以及用于连接到个人计算机的接口。 该单元还包括LCD驱动器和用于显示诸如呼叫者识别之类的信息的显示器。 分组网络电话单元也可以运行应答机/消息系统。
    • 7. 发明授权
    • System and method for regulating incoming traffic to a server farm
    • 用于调节到服务器场的进入流量的系统和方法
    • US06883033B2
    • 2005-04-19
    • US09921989
    • 2001-02-20
    • Kiyoshi MaruyamaShun Shing ChanJarir Kamel ChaarJean A. LorrainMiram ZoharDavid Alson George
    • Kiyoshi MaruyamaShun Shing ChanJarir Kamel ChaarJean A. LorrainMiram ZoharDavid Alson George
    • H04L12/28H04L12/56H04L29/06H04L29/08G06F15/16
    • H04L67/1008H04L47/10H04L47/193H04L47/20H04L47/22H04L67/1002H04L67/1012
    • A system and method for controlling the rates at which application workload, e.g., TCP connection requests, is admitted to a collection of servers, such as a server farm of an application service provider (ASP) that hosts Internet World Wide Web (WWW) sites of various owners. The system and method are intended to operate in an environment in which each customer has a workload-based SLA for each type of application hosted by the provider and used by the customer. The system and method achieve support (minimum, maximum) TCP connection requests for multiple customers and applications. According to one aspect, the system and method guarantee, control and deliver TCP connection-based workload SLA's to customers whose applications are hosted by the server farm with the use of a workload regulator that operates by regulating only new TCP connection request packets while transparently passing existing TCP connection packets and other request packets received for customers. The regulator further operates by regulating the flow of incoming TCP connection requests to each customer business activity application so as to guarantee a level of service previously agreed to each customer (per their respective SLA's) by applying rate admittance to requests and by dropping (or rejecting) requests to guarantee the agreed service levels to the customer's application.
    • 用于控制应用工作负载(例如,TCP连接请求)被允许进入诸如承载互联网万维网(WWW)站点的应用服务提供商(ASP)的服务器场的服务器集合的速率的系统和方法 的各种业主。 该系统和方法旨在在每个客户具有由供应商托管并由客户使用的每种类型的应用的基于工作负载的SLA的环境中操作。 系统和方法为多个客户和应用程序实现支持(最小,最大)TCP连接请求。 根据一方面,系统和方法保证,控制和传送基于TCP连接的工作负载SLA到其应用程序由服务器场托管的客户,使用工作负载调节器,该工作负载调节器通过仅通过调整新的TCP连接请求数据包进行操作,同时透明地传递 现有TCP连接数据包和其他请求数据包接收给客户。 监管机构进一步通过调整到每个客户业务活动应用程序的传入TCP连接请求的流程来进行操作,以便通过对请求进行速率准入并通过丢弃(或拒绝)来保证先前已经同意每个客户的服务水平(通过其各自的SLA) )要求保证客户的应用程序达成一致的服务水平。