Computer system and network interface with hardware based packet filtering and classification

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9479464
SERIAL NO

12423690

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A data processing system adapted for high-speed network communications, a method for managing a network interface and a network interface for such system, are provided, in to which processing of packets received over the network is achieved by embedded logic at the network interface level. Incoming packets on the network interface are parsed and classified as they are stored in a buffer memory. Functional logic coupled to the buffer memory on the network interface is enabled to access any data field within a packet in a single cycle, using pointers and packet classification information produced by the parsing and classifying step. Results of operations on the data fields in the packets are available before the packets are transferred out of the buffer memory. A data processing system, a method for management of a network interface and a network interface are also provided by the present invention that include an embedded firewall at the network interface level of the system, which protects against inside and outside attacks on the security of data processing system. Furthermore, a data processing system, a method for management of a network interface and a network interface are a provided by the present invention that support class of service management for packets incoming from the network, by applying priority rules at the network interface level of the system.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HEWLETT PACKARD ENTERPRISE DEVELOPMENT LPHOUSTON, TX8793

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, BaoDong Milpitas, US 10 102
Mitchell, Scott W San Jose, US 15 304
Wang, Chi-Lie Fremont, US 48 749

Cited Art Landscape

Patent Info (Count) # Cites Year
 
TENSILICA, INC. (1)
* 7227842 Fast IP packet classification with configurable processor 74 2002
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
* 6385672 System to optimize packet buffer utilization via selectively partitioned transmit and receive buffer portions 60 1997
 
HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP (4)
* 6760781 Intelligent packet transmission engine 15 2000
* 7724740 Computer system and network interface supporting class of service queues 22 2002
* 7894480 Computer system and network interface with hardware based rule checking for embedded firewall 11 2002
* 8358655 Computer system and network interface supporting class of service queues 4 2010
 
SONICWALL, INC. (1)
* 6938097 System for early packet steering and FIFO-based management with priority buffer support 92 2003
 
CISCO TECHNOLOGY, INC. (1)
* 6515963 Per-flow dynamic buffer management 87 1999
 
INTEL CORPORATION (1)
* 6427169 Parsing a packet header 149 1999
 
PACKET INTELLIGENCE LLC (2)
* 6651099 Method and apparatus for monitoring traffic in a network 155 2000
* 7299282 State processor for pattern matching in a network monitor device 29 2004
 
ALACRITECH, INC. (3)
* 6434620 TCP/IP offload network interface device 340 1999
* 6757746 Obtaining a destination address so that a network interface device can write network data without headers directly into host memory 165 2001
* 7337241 Fast-path apparatus for receiving data corresponding to a TCP connection 90 2002
 
ORACLE AMERICA, INC. (2)
* 6356951 System for parsing a packet for conformity with a predetermined protocol using mask and comparison values included in a parsing instruction 200 1999
* 6453360 High performance network interface 218 1999
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
NICIRA, INC. (3)
9806948 Providing firewall rules for workload spread across multiple data centers 0 2015
9755903 Replicating firewall policy across multiple data centers 0 2015
* 9680706 Federated firewall management for moving workload across data centers 0 2015
* Cited By Examiner

Maintenance Fees

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