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Multicast and unicast scheduling for a network device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-012/56
출원번호 US-0311834 (1999-05-14)
발명자 / 주소
  • Richard L. Angle
  • Shantigram V. Jagannath
  • Geoffrey B. Ladwig
  • Nanying Yin
출원인 / 주소
  • Nortel Networks Limited CA
대리인 / 주소
    Blakely Sokoloff Taylor & Zafman LLP
인용정보 피인용 횟수 : 37  인용 특허 : 16

초록 ▼

A method and apparatus are provided for scheduling unicast and multicast data in an input-queued network device. According to one aspect of the present invention, a combined schedule is created by pipelined staging of multicast and unicast scheduling. Multicast cells are scheduled for transmission a

대표청구항 ▼

1. A method of performing multicast and unicast scheduling in a network device, the method comprising the steps of:performing unicast cell scheduling each scheduling timeslot of a set of possible scheduling timeslots; and performing multicast cell scheduling in parallel with and independent of the u

이 특허에 인용된 특허 (16)

  1. Caldara Stephen A. ; Hauser Stephen A. ; Manning Thomas A., Allocated and dynamic switch flow control.
    상세보기
  2. Hayter Andrew T. (Bitterne Park GB2) Davis Simon P. (Romsey GB2), Apparatus and method of processing bandwidth requirements in an ATM switch.
    상세보기
  3. Law Ka Lun,CAX ITX M2K 2Y2, Asynchronous transfer mode switching system.
    상세보기
  4. Lahat Amir,ILX, Backpressure responsive multicast queue.
    상세보기
  5. Ljungberg Martin P. A. (Stockholm SEX) Petersen Lars-Gran (Tumba SEX), Flow control system for packet switches.
    상세보기
  6. Shin Jae-Jin,KRX ; Lee Kyung-Geun,KRX ; Sung Dan-Keun,KRX ; Heo Jeong-Won,KRX ; Byun Sung-Hyuk,KRX ; Lee Ju-Yong,KRX ; Yang Jin-Woo,KRX, Input buffer controller using back-pressure signals in ATM switches and a method for determining the logical queue size.
    상세보기
  7. Fan Ruixue ; Mark Brian L. ; Ramamurthy Gopalakrishnan, Large capacity, multiclass core ATM switch architecture.
    상세보기
  8. Holden Brain D. ; Alleyne Brian D. ; Braun Darren S. ; Reno Kevin,FRX ; Hu Chee ; Menon Raghavan ; Sprouse Steve, Method and apparatus for high speed, scalable communication system.
    상세보기
  9. Thacker Charles P. (Palo Alto CA), Method and apparatus for resource arbitration.
    상세보기
  10. McKeown Nicholas W. (Berkeley CA), Method and apparatus for scheduling cells in an input-queued switch.
    상세보기
  11. Davis Helen M. ; Preas Bryan T. ; Bell Alan G. ; Lyles Joseph B. ; Greene Daniel H., Method for supporting multicast capabilities in switching networks with a reservation ring.
    상세보기
  12. Witkowski Michael L. ; Kotzur Gary B. ; Mayer Dale J. ; Walker William J. ; Hareski Patricia E., Network switch with dynamic backpressure per port.
    상세보기
  13. Caldara Stephen A. ; Hauser Stephen A. ; Manning Thomas A., Point-to-multipoint transmission using subqueues.
    상세보기
  14. Chao Hung-Hsiang Jonathan ; Choe Byeong-Seog,KRX, Scaleable multicast ATM switch.
    상세보기
  15. Wicklund Goran,SEX, Scheduler for an information packet switch.
    상세보기
  16. Iliadis Ilias,GRX ; Guerin Roch A., Switching apparatus and method for multiple traffic classes.
    상세보기

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  1. Tuck, Russ; Skirmont, David; Agarwal, Puneet, Apparatus and methods for efficient multicasting of data packets.
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  2. Han, Man-Soo; Lee, Jung-Hee; Han, In-Tack; Lee, Bhum-Cheol, Cell scheduling method of input and output buffered switch using simple iterative matching algorithm.
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  3. Hui, Lawrence; Zhang, Song; Gupta, Anurag P.; Lacroute, Phil; Beesley, Michael, Credit-based flow control over unreliable links.
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  4. Hui,Lawrence; Zhang,Song; Gupta,Anurag P.; Lacroute,Phil; Beesley,Michael, Credit-based flow control over unreliable links.
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  5. Satou, Akira; Fujita, Kenichi; Sasage, Koutarou; Masaki, Atsushi; Shiomi, Hiroshi, Data copying method.
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  6. Martinez, Martin; Riggert, Eric; Thalappil, Sameer, Efficient network utilization using multiple physical interfaces.
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  7. Wong, Michael; Nair, Rajesh; Momirov, Milan, Method and apparatus for detecting congestion and controlling the transmission of cells across a data packet switch.
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  8. Qu, Bingyu; Wang, Junwei; Ding, Yingzhe, Method and device for multiplexing broadcast service channel and non-broadcast service channel.
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  9. Minkenberg, Cyriel; Abel, Francois G.; Schiattarella, Enrico, Method and device for scheduling unicast and multicast traffic in an interconnecting fabric.
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  10. Schober,Richard L., Method and system to process a multicast request pertaining to a packet received at an interconnect device.
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  11. Best,Robert E.; Chandrasekaran,Ramaswamy; Rudin, III,John R.; Hu,Rose Q.; Watson,Jeff L.; Tamil,Lakshman S.; Fabbri,Alessandro, Method for dynamically computing a switching schedule.
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  12. Lee, Jong Ick, Method for generating and transmitting a train packet in an ATM switch system.
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  13. Lau,Onchuen (Daryn); Bergen,Chris D.; Divivier,Robert J.; Chui,Gene K.; Norrie,Christopher I. W.; Ornes,Matthew D.; Chui,King Shing (Frank), Multiservice switching system with distributed switch fabric.
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  14. Riggert, Eric; Martinez, Martin, Network streaming of a single data stream simultaneously over multiple physical interfaces.
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  15. Martinez, Martin; Riggert, Eric, Network streaming of a video stream over multiple communication channels.
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  16. Best,Robert E.; Chandrasekaran,Ramaswamy; Rudin, III,John R.; Hu,Rose Q.; Watson,Jeff L.; Tamil,Lakshman S.; Fabbri,Alessandro, Non-blocking all-optical switching network dynamic data scheduling system and implementation method.
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  17. Sano,Kiyoshi, Packet switch and multicasting control system used for the same.
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  18. Hill, Alan M, Packet switching.
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  19. Cavendish,Diceru Galvao, Pipelined packet scheduler for high speed optical switches.
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  20. Vasudevan, Swaminatha; Liu, Xiaomei, Policy control over switched delivery networks.
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  21. Stephens, Adrian P., Power saving when using aggregated packets.
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  22. Martinez, Martin; Riggert, Eric, Reliable network streaming of a single data stream over multiple physical interfaces.
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  23. Andrews,Daniel M.; Munagala,Kameshwar V.; Stolyar,Aleksandr, Scalable weight-based terabit switch scheduling method.
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  24. Chao,Hung Hsiang Jonathan; Oki,Eiji, Scheduling the dispatch of cells in multistage switches using a hierarchical arbitration scheme for matching non-empty virtual output queues of a module with outgoing links of the module.
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  25. Oki, Eiji; Chao, Hung-Hsiang Jonathan; Rojas-Cessa, Roberto, Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme.
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  26. Oki, Eiji; Chao, Hung-Hsiang Jonathan; Rojas-Cessa, Roberto, Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined hierarchical arbitration scheme.
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  27. Oki,Eiji; Chao,Hung Hsiang Jonathan; Rojas Cessa,Roberto, Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined hierarchical arbitration scheme.
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  28. Tighe,James R.; Higgins,Ronald D.; Platt,Richard B.; Bell,Robert T., System and method for a virtual telephony intermediary.
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  29. Pearce,Christopher E.; Whetten,Delon R.; Michalewicz,Larry G., System and method for enabling multicast telecommunications.
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  30. Best, Robert E.; Chandrasekaran, Ramaswamy; Rudin, III, John R.; Hu, Rose Q.; Watson, Jeff L.; Tamil, Lakshman S.; Fabbri, Alessandro, System and method for implementing dynamic scheduling of data in a non-blocking all-optical switching network.
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  31. Pearce, Christopher E.; Whetten, Delon R.; Higgins, Ronald D.; Henning, Scott, System and method for maintaining a communication link.
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  32. Fenner, William; Papadopoulos, Fragkiskos, System and method for passively monitoring customer control messages in a multicast VPN.
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  33. Tighe, James R.; Higgins, Ronald D.; Platt, Richard B.; Bell, Robert T., System and method for providing security in a telecommunication network.
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  34. Tighe,James R.; Higgins,Ronald D.; Platt,Richard B.; Bell,Robert T., System and method for providing security in a telecommunication network.
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  35. Best, Robert E.; Chandrasekaran, Ramaswamy; Rudin, III, John R.; Hu, Rose Q.; Watson, Jeff L.; Tamil, Lakshman S.; Fabbri, Alessandro, System for switching data using dynamic scheduling.
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  36. Best,Robert E.; Chandrasekaran,Ramaswamy; Rudin, III,John R.; Hu,Rose Q.; Watson,Jeff L.; Tamil,Lakshman S.; Fabbri,Alessandro, System for switching data using dynamic scheduling.
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  37. Hori, Masato; Kobayashi, Yoshikazu, VoIP system, VoIP server and client, and multicast packet communication method.
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