Patents by Inventor Gal Sitton
Gal Sitton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10541935Abstract: The present disclosure is directed to a network processor for processing high volumes of traffic provided by todays access networks at (or near) wireline speeds. The network process can be implemented within a residential gateway to perform, among other functions, routing to deliver high speed data services (e.g., data services with rates up to 10 Gbit/s) from a wide area network (WAN) to end user devices in a local area network (LAN).Type: GrantFiled: November 23, 2016Date of Patent: January 21, 2020Assignee: Avago Technologies International Sales Pte. LimitedInventors: Asaf Koren, Eliezer Weitz, Koby Harel, Ifat Naaman, Hilla Ben Yaacov, Tal Baum-Mizrachi, Yanai Pomeranz, Yariv Aviram, Ira Joffe, Oren Issac Wolach, Assaf Amitai, Daniel Pasternak, Yoram Gorsetman, Ryan Hirth, Gal Sitton, Mitchell Gordon McGee
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Publication number: 20170150242Abstract: The present disclosure is directed to a network processor for processing high volumes of traffic provided by todays access networks at (or near) wireline speeds. The network process can be implemented within a residential gateway to perform, among other functions, routing to deliver high speed data services (e.g., data services with rates up to 10 Gbit/s) from a wide area network (WAN) to end user devices in a local area network (LAN).Type: ApplicationFiled: November 23, 2016Publication date: May 25, 2017Applicant: Broadcom CorporationInventors: Asaf KOREN, Eliezer Weitz, Koby Harel, Ifat Naaman, Hilla Ben Yaacov, Tal Baum-Mizrachi, Yanai Pomeranz, Yariv Aviram, Ira Joffe, Oren Issac Wolach, Assaf Amitai, Daniel Pasternak, Yoram Gorsetman, Ryan Hirth, Gal Sitton, Mitchell Gordon McGee
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Patent number: 9565120Abstract: A method for deep-packet inspection of packets flowing through an end unit in a point-to-multipoint network. The method comprises classifying packet flows through the end unit using their flow-identification (ID) to determine which of the packet flows should be deep-packet inspected, wherein the packet flows include incoming packets received from a central unit and outgoing packets sent to the central unit of the point-to-multipoint network; duplicating packets determined to be deep-packet inspected; saving all duplicated packets in a memory; upon collection of a predefined number of duplicated packets belonging to a certain flow-ID, performing deep-packet processing based on at least one deep-packet inspection application; and saving the deep-packet processing results in the memory.Type: GrantFiled: January 30, 2012Date of Patent: February 7, 2017Assignee: Broadcom CorporationInventors: Yoav Levy, David Ivancovsky, Doron Tal, Gal Sitton, Asaf Koren
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Patent number: 9059946Abstract: A passive optical network (PON) packet processor for processing PON traffic includes a core processor for executing threads related to the processing of PON traffic and a plurality of hardware (HW) accelerators coupled to the core processor for accelerating the processing of said PON traffic. A memory unit is coupled to the core processor for maintaining program and traffic data. In an embodiment of the present invention, the PON packet processor includes a scheduler that optimizes the execution of PON related tasks.Type: GrantFiled: February 9, 2006Date of Patent: June 16, 2015Assignee: Broadcom CorporationInventors: Gil Levy, Eliezer Weitz, Eli Elmoalem, Gal Sitton
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Patent number: 8948594Abstract: A method for processing data flows of a plurality of passive optical network (PON) operating modes, the method is performed by an optical network unit (ONU). The method comprises processing upstream data flows of said plurality of PON operating modes; and processing downstream data flows of the plurality of PON operating modes. The plurality of PON operating modes include at least a Gigabit PON (GPON) mode, a broadband PON (BPON) mode, and an Ethernet PON (EPON).Type: GrantFiled: November 11, 2009Date of Patent: February 3, 2015Assignee: Broadcom CorporationInventors: Eliezer Weitz, Gil Levy, David Avishai, Eli Elmoalem, Moti Kurnick, Gal Sitton
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Patent number: 8917746Abstract: A method and apparatus embodying some aspects of a packet processing communication system. The packet processing communication apparatus comprises a packet processor and a microprocessor. The packet processor is configured to process packets belonging to a certain flow through a plurality of processing stages of a programmable data-path. The microprocessor is in communication with the packet processor and is configured to process a user-defined function in the programmable data-path on designated packets belonging to the certain flow. The packets of respective flows to be processed by the microprocessor are designated in a mapping. The designated packets processed by the microprocessor are returned to one of the processing stages of the packet processor for further processing.Type: GrantFiled: March 20, 2013Date of Patent: December 23, 2014Assignee: Broadcom CorporationInventor: Gal Sitton
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Publication number: 20130195457Abstract: A method for deep-packet inspection of packets flowing through an end unit in a point-to-multipoint network. The method comprises classifying packet flows through the end unit using their flow-identification (ID) to determine which of the packet flows should be deep-packet inspected, wherein the packet flows include incoming packets received from a central unit and outgoing packets sent to the central unit of the point-to-multipoint network; duplicating packets determined to be deep-packet inspected; saving all duplicated packets in a memory; upon collection of a predefined number of duplicated packets belonging to a certain flow-ID, performing deep-packet processing based on at least one deep-packet inspection application; and saving the deep-packet processing results in the memory.Type: ApplicationFiled: January 30, 2012Publication date: August 1, 2013Applicant: BROADLIGHT, LTDInventors: Yoav Levy, David Ivancovsky, Doron Tal, Gal Sitton, Asaf Koren
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Patent number: 8451864Abstract: A passive optical network (PON) processor comprises a packet processor for processing packets belonging to a certain flow through a plurality of processing stages of a programmable data-path; a microprocessor-data for performing one or more user-defined functions in the programmable data-path on designated packets belonging to the certain flow, wherein packets of respective flows to be processed by the microprocessor-data are designated in a flow table; a microprocessor-control for managing connections handled by the PON processor; a data-path bus for connecting the packet processor and the microprocessor-data, wherein the designated packets are transferred between the packet processor and the microprocessor-data on the data-path bus; and a control-path bus for connecting the packet processor and the microprocessor-control.Type: GrantFiled: June 23, 2010Date of Patent: May 28, 2013Assignee: Broadcom CorporationInventors: Gal Sitton, Asaf Koren, Eliezer Weitz, Ifat Naaman, Igor Ternovsky, Igor Elkanovich
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Publication number: 20120307949Abstract: Burst mode clock and data recovery (BCDR) circuit and method capable of fast data recovery of passive optical network (PON) traffic. An over-sampled data stream is generated from an input burst data signal and a phase interpolator generates sampling clock signals using a reference clock and phase information. A phase estimation unit (PEU) determines a phase error in the over-sampled data streams; and a phase retrieval unit sets the phase interpolator with the respective phase information of the input burst data signal prior to reception of the input burst data signal.Type: ApplicationFiled: August 13, 2012Publication date: December 6, 2012Inventors: Amiad DVIR, Raviv WEBER, David AVlSHAI, Alex GOLDSTEIN, Igor ELKANOVlCH, Gal SITTON, Michael BALTER
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Patent number: 8243869Abstract: Burst mode clock and data recovery (BCDR) circuit and method capable of fast data recovery of passive optical network (PON) traffic. An over-sampled data stream is generated from an input burst data signal and a phase interpolator generates sampling clock signals using a reference clock and phase information. A phase estimation unit (PEU) determines a phase error in the over-sampled data streams; and a phase retrieval unit sets the phase interpolator with the respective phase information of the input burst data signal prior to reception of the input burst data signal.Type: GrantFiled: November 28, 2006Date of Patent: August 14, 2012Assignee: Broadlight Ltd.Inventors: Amiad Dvir, Raviv Weber, David Avishai, Alex Goldstein, Igor Elkanovich, Gal Sitton, Michael Balter
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Publication number: 20110318002Abstract: A passive optical network (PON) processor comprises a packet processor for processing packets belonging to a certain flow through a plurality of processing stages of a programmable data-path; a microprocessor-data for performing one or more user-defined functions in the programmable data-path on designated packets belonging to the certain flow, wherein packets of respective flows to be processed by the microprocessor-data are designated in a flow table; a microprocessor-control for managing connections handled by the PON processor; a data-path bus for connecting the packet processor and the microprocessor-data, wherein the designated packets are transferred between the packet processor and the microprocessor-data on the data-path bus; and a control-path bus for connecting the packet processor and the microprocessor-control.Type: ApplicationFiled: June 23, 2010Publication date: December 29, 2011Applicant: BROADLIGHT, LTD.Inventors: Gal Sitton, Asaf Koren, Eliezer Weitz, Ifat Naaman, Igor Ternovsky, Igor Elkanovich
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Patent number: 7925164Abstract: An optical line terminal (OLT) performs power management control in a passive optical network (PON) by acquiring a respective reception level for each optical network unit (ONU) in the PON and maintaining a reception table that stores the respective reception level for each ONU. Prior to receiving a burst signal from an ONU, it sets a reception threshold of an optical receiver at the OLT with the reception level of the ONU.Type: GrantFiled: July 17, 2007Date of Patent: April 12, 2011Assignee: Broadlight Ltd.Inventors: Gal Sitton, Jacob Harel, Ifat Naaman
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Patent number: 7873039Abstract: An enhanced optical line terminal (OLT) controller capable of providing traffic processing features. The OLT controller comprises an Ethernet switch operable in a stacking mode and being capable of mapping between Ethernet addresses and passive optical network (PON) addresses. The Ethernet switch is connected to a PON medium access control (MAC) adapter via a stacking port and being capable of processing Ethernet frames relayed on the PON network. The mapping information is kept by the Ethernet switch in a forwarding table.Type: GrantFiled: June 15, 2007Date of Patent: January 18, 2011Assignee: Broadlight Ltd.Inventors: Doron Tal, Gil Levy, Gal Sitton
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Publication number: 20100067908Abstract: A method for processing data flows of a plurality of passive optical network (PON) operating modes, the method is performed by an optical network unit (ONU). The method comprises processing upstream data flows of said plurality of PON operating modes; and processing downstream data flows of the plurality of PON operating modes. The plurality of PON operating modes include at least a Gigabit PON (GPON) mode, a broadband PON (BPON) mode, and an Ethernet PON (EPON).Type: ApplicationFiled: November 11, 2009Publication date: March 18, 2010Applicant: BROADLIGHT, LTD.Inventors: Eliezer Weitz, Gil Levy, David Avishai, Eli Elmoalem, Moti Kurnick, Gal Sitton
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Patent number: 7643753Abstract: An enhanced passive optical network (PON) processor adapted to serve a plurality of PON applications is disclosed. The PON processor is a highly integrated communications processor that can operate in different PON modes including, but not limited to, a gigabit PON (GPON), a broadband PON (BPON), an Ethernet PON (EPON), or any combination thereof. In an embodiment of the present invention the provided PON is fabricated on a single integrated circuit (IC).Type: GrantFiled: September 29, 2005Date of Patent: January 5, 2010Assignee: Broadlight Ltd.Inventors: Eliezer Weitz, Gil Levy, David Avishai, Eli Elmoalem, Moti Kurnick, Gal Sitton
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Publication number: 20080124092Abstract: Burst mode clock and data recovery (BCDR) circuit and method capable of fast data recovery of passive optical network (PON) traffic. An over-sampled data stream is generated from an input burst data signal and a phase interpolator generates sampling clock signals using a reference clock and phase information. A phase estimation unit (PEU) determines a phase error in the over-sampled data streams; and a phase retrieval unit sets the phase interpolator with the respective phase information of the input burst data signal prior to reception of the input burst data signal.Type: ApplicationFiled: November 28, 2006Publication date: May 29, 2008Applicant: Broadlight Ltd.Inventors: Amiad Dvir, Raviv Weber, David Avishai, Alex Goldstein, Igor Elkanovich, Gal Sitton, Michael Balter
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Publication number: 20080056720Abstract: An optical line terminal (OLT) performs power management control in a passive optical network (PON) by acquiring a respective reception level for each optical network unit (ONU) in the PON and maintaining a reception table that stores the respective reception level for each ONU. Prior to receiving a burst signal from an ONU, it sets a reception threshold of an optical receiver at the OLT with the reception level of the ONU.Type: ApplicationFiled: July 17, 2007Publication date: March 6, 2008Applicant: Broadlight Ltd.Inventors: Gal Sitton, Jacob Harel, Ifat Naaman
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Publication number: 20080002976Abstract: An enhanced optical line terminal (OLT) controller capable of providing traffic processing features. The OLT controller comprises an Ethernet switch operable in a stacking mode and being capable of mapping between Ethernet addresses and passive optical network (PON) addresses. The Ethernet switch is connected to a PON medium access control (MAC) adapter via a stacking port and being capable of processing Ethernet frames relayed on the PON network. The mapping information is kept by the Ethernet switch in a forwarding table.Type: ApplicationFiled: June 15, 2007Publication date: January 3, 2008Applicant: BROADLIGHT LTD.Inventors: Doron Tal, Gil Levy, Gal Sitton
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Publication number: 20070074218Abstract: A passive optical network (PON) packet processor for processing PON traffic includes a core processor for executing threads related to the processing of PON traffic and a plurality of hardware (HW) accelerators coupled to the core processor for accelerating the processing of said PON traffic. A memory unit is coupled to the core processor for maintaining program and traffic data. In an embodiment of the present invention, the PON packet processor includes a scheduler that optimizes the execution of PON related tasks.Type: ApplicationFiled: February 9, 2006Publication date: March 29, 2007Inventors: Gil Levy, Eliezer Weitz, Eli Elmoalem, Gal Sitton
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Publication number: 20070070997Abstract: An enhanced passive optical network (PON) processor adapted to serve a plurality of PON applications is disclosed. The PON processor is a highly integrated communications processor that can operate in different PON modes including, but not limited to, a gigabit PON (GPON), a broadband PON (BPON), an Ethernet PON (EPON), or any combination thereof. In an embodiment of the present invention the provided PON is fabricated on a single integrated circuit (IC).Type: ApplicationFiled: September 29, 2005Publication date: March 29, 2007Inventors: Eliezer Weitz, Gil Levy, David Avishai, Eli Elmoalem, Moti Kurnick, Gal Sitton