WO2000052896A3 - Method and apparatus for managing a network flow in a high performance network interface - Google Patents

Method and apparatus for managing a network flow in a high performance network interface Download PDF

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Publication number
WO2000052896A3
WO2000052896A3 PCT/US2000/005244 US0005244W WO0052896A3 WO 2000052896 A3 WO2000052896 A3 WO 2000052896A3 US 0005244 W US0005244 W US 0005244W WO 0052896 A3 WO0052896 A3 WO 0052896A3
Authority
WO
WIPO (PCT)
Prior art keywords
flow
packet
data
operation code
network interface
Prior art date
Application number
PCT/US2000/005244
Other languages
French (fr)
Other versions
WO2000052896A2 (en
Inventor
Shimon Muller
Denton Gentry
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to DE60031516T priority Critical patent/DE60031516T2/en
Priority to JP2000603211A priority patent/JP2002538730A/en
Priority to EP00910382A priority patent/EP1166520B1/en
Priority to AU32482/00A priority patent/AU3248200A/en
Publication of WO2000052896A2 publication Critical patent/WO2000052896A2/en
Publication of WO2000052896A3 publication Critical patent/WO2000052896A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9063—Intermediate storage in different physical parts of a node or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/60—Software-defined switches
    • H04L49/602—Multilayer or multiprotocol switching, e.g. IP switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/901—Buffering arrangements using storage descriptor, e.g. read or write pointers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9084—Reactions to storage capacity overflow
    • H04L49/9089—Reactions to storage capacity overflow replacing packets in a storage arrangement, e.g. pushout
    • H04L49/9094—Arrangements for simultaneous transmit and receive, e.g. simultaneous reading/writing from/to the storage element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/20—Support for services
    • H04L49/201—Multicast operation; Broadcast operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3009—Header conversion, routing tables or routing tags
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3018—Input queuing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/354—Switches specially adapted for specific applications for supporting virtual local area networks [VLAN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers

Abstract

A system and method are provided for managing a flow of packets through a network interface. A network flow is established for each datagram sent from a source entity to a destination entity. A flow key identifies the source and destination entities and is stored with information concerning validity of the flow, data sequencing within the flow datagram and how recently the flow was active. When a packet within a network flow is received, an operation code is generated for identifying whether the packet is suitable for a particular network interface function. One operation code may indicate that a packet contains data to be re-assembled with other flow data. Another operation code may indicate that a packet is unsuitable for data re-assembly. Another operation code may specify that the packet is a control packet, has no data, or was received out of order.
PCT/US2000/005244 1999-03-01 2000-02-29 Method and apparatus for managing a network flow in a high performance network interface WO2000052896A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60031516T DE60031516T2 (en) 1999-03-01 2000-02-29 METHOD AND APPARATUS FOR MANAGING A NETWORK FLOW IN A HIGH-PERFORMANCE NETWORK INTERFACE
JP2000603211A JP2002538730A (en) 1999-03-01 2000-02-29 Method and apparatus for managing network flow in a high performance network interface
EP00910382A EP1166520B1 (en) 1999-03-01 2000-02-29 Method and apparatus for managing a network flow in a high performance network interface
AU32482/00A AU3248200A (en) 1999-03-01 2000-02-29 Method and apparatus for managing a network flow in a high performance network interface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/259,932 1999-03-01
US09/259,932 US6650640B1 (en) 1999-03-01 1999-03-01 Method and apparatus for managing a network flow in a high performance network interface

Publications (2)

Publication Number Publication Date
WO2000052896A2 WO2000052896A2 (en) 2000-09-08
WO2000052896A3 true WO2000052896A3 (en) 2001-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/005244 WO2000052896A2 (en) 1999-03-01 2000-02-29 Method and apparatus for managing a network flow in a high performance network interface

Country Status (6)

Country Link
US (1) US6650640B1 (en)
EP (2) EP1166520B1 (en)
JP (1) JP2002538730A (en)
AU (1) AU3248200A (en)
DE (1) DE60031516T2 (en)
WO (1) WO2000052896A2 (en)

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