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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 24. Отображено 24.
24-01-2017 дата публикации

System and method for automated DCB configuration of access switches

Номер: US0009553763B2
Автор: Senthil Kumar Ganesan, Raja Jayakumar, Ashok Daparthi, Aravind Babu Mahendrababu, Raja Subbiah, GANESAN SENTHIL KUMAR, JAYAKUMAR RAJA, DAPARTHI ASHOK, MAHENDRABABU ARAVIND BABU, SUBBIAH RAJA, Ganesan Senthil Kumar, Jayakumar Raja, Daparthi Ashok, Mahendrababu Aravind Babu, Subbiah Raja
Принадлежит: DELL PRODUCTS L.P., DELL PRODCUTS L P, DELL PRODUCTS LP, Dell Prodcuts L.P.

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device.

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Номер записи: 1
12-11-2015 дата публикации

SYSTEM AND METHOD FOR AUTOMATED DCB CONFIGURATION OF ACCESS SWITCHES

Номер: US20150326433A1
Автор: Senthil Kumar Ganesan, Raja Jayakumar, Ashok Daparthi, Aravind Babu MahendraBabu, Raja Subbiah
Принадлежит: Dell Products LP

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device.

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Номер записи: 2
03-12-2013 дата публикации

System and method for flexible memory system configuration and access

Номер: US0008599844B2
Автор: Krishnamurthy Subramanian, Raja Jayakumar, Jason Lee, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, LEE JASON
Принадлежит: Force10 Networks, Inc., SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, LEE JASON, FORCE10 NETWORKS INC, FORCE10 NETWORKS, INC.

A packet network device includes a packet network processor memory system for storing information used to process and forward packets of information in and through the network device. The information is included in look-up tables whose entries can be mapped either horizontally or vertically into the memory system. In the event that the entries are mapped horizontally, a complete entry can be access at a single memory location and in the event that the entries are mapped vertically, the entries can be accessed at one or more memory locations.

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Номер записи: 3
20-12-2012 дата публикации

PACKET FORWARDING USING MULTIPLE STACKED CHASSIS

Номер: US20120320929A9
Автор: KRISHNAMURTHY SUBRAMANIAN, Raja Jayakumar, Janardhanan . P Narasimhan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, NARASIMHAN JANARDHANAN . P
Принадлежит: Force10 Networks, Inc.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 4
30-04-2015 дата публикации

SYSTEM AND METHOD FOR AUTOMATED DCB CONFIGURATION OF ACCESS SWITCHES

Номер: US20150117252A1
Автор: Senthil Kumar Ganesan, Raja Jayakumar, Ashok Daparthi, Aravind Babu MahendraBabu, Raja Subbiah, GANESAN SENTHIL KUMAR, JAYAKUMAR RAJA, DAPARTHI ASHOK, MAHENDRABABU ARAVIND BABU, SUBBIAH RAJA
Принадлежит: DELL PRODUCTS L.P.

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device. 1. An access switch comprising:a control unit;a memory coupled to the control unit; anda port coupled to the control unit and configured to couple the access switch to a peer device; the control unit is configured to operate the port according to a state machine including a data center bridging (DCB) disabled state, a DCB downstream state, and a DCB upstream state;', 'when the port is in the DCB disabled state, the control unit is configured to exchange network traffic on the port without any DCB extensions;', 'when the port is in the DCB upstream state, the control unit is configured to exchange network traffic on the port using DCB extensions based on a DCB configuration and receive the DCB configuration from the peer device; and', 'when the port is in the DCB downstream state, the control unit is configured to exchange network traffic on the port using the DCB extensions based on the DCB configuration and transmit the DCB configuration to the peer device., 'wherein2. The access switch of wherein when the port is in the DCB disabled state claim 1 , the control unit is further configured to transition the ...

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Номер записи: 5
15-09-2011 дата публикации

SYSTEM AND METHOD FOR FLEXIBLE MEMORY SYSTEM CONFIGURATION AND ACCESS

Номер: US20110222547A1
Автор: KRISHNAMURTHY SUBRAMANIAN, Raja Jayakumar, Jason Lee, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, LEE JASON
Принадлежит: Force 10 Networks, Inc.

A packet network device includes a packet network processor memory system for storing information used to process and forward packets of information in and through the network device. The information is included in look-up tables whose entries can be mapped either horizontally or vertically into the memory system. In the event that the entries are mapped horizontally, a complete entry can be access at a single memory location and in the event that the entries are mapped vertically, the entries can be accessed at one or more memory locations.

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Номер записи: 6
21-06-2016 дата публикации

System and method for automated DCB configuration of access switches

Номер: US0009374274B2
Автор: Senthil Kumar Ganesan, Raja Jayakumar, Ashok Daparthi, Aravind Babu MahendraBabu, Raja Subbiah, GANESAN SENTHIL KUMAR, JAYAKUMAR RAJA, DAPARTHI ASHOK, MAHENDRABABU ARAVIND BABU, SUBBIAH RAJA
Принадлежит: Dell Products L.P., DELL PRODUCTS LP, DELL PRODUCTS L.P.

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device.

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Номер записи: 7
14-05-2013 дата публикации

Multicast packet forwarding using multiple stacked chassis

Номер: US0008442045B2
Автор: Krishnamurthy Subramanian, Raja Jayakumar, Janardhanan P. Narasimhan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, NARASIMHAN JANARDHANAN P.
Принадлежит: Force10 Networks, Inc., SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, FORCE10 NETWORKS INC, NARASIMHAN JANARDHANAN P., FORCE10 NETWORKS, INC.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 8
22-03-2016 дата публикации

Port extender

Номер: US0009294396B2
Автор: Shivakumar Sundaram, Krishnamurthy Subramanian, Anoop Ghanwani, Pathangi Narasimhan Janadhanan, Mohnish Anamula, Raja Jayakumar, SUNDARAM SHIVAKUMAR, SUBRAMANIAN KRISHNAMURTHY, GHANWANI ANOOP, JANADHANAN PATHANGI NARASIMHAN, ANAMULA MOHNISH, JAYAKUMAR RAJA
Принадлежит: DELL PRODUCTS L.P., DELL PRODUCTS LP

An extended bridge structure that includes a controlling bridge and port extenders is disclosed. A port extender according to some embodiments of the present invention includes a processor that processes receives packets in a way that executes at least one procedure that substitutes for a function of the controlling bridge. A controlling bridge according to the present invention provides data to the port extender that enables it to execute the at least one procedure that substitutes for a function of the controlling bridge.

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Номер записи: 9
06-02-2018 дата публикации

Port extender

Номер: US0009887917B2
Автор: Shivakumar Sundaram, Krishnamurthy Subramanian, Anoop Ghanwani, Pathangi Narasimhan Janardhanan, Mohnish Anumala, Raja Jayakumar, SUNDARAM SHIVAKUMAR, SUBRAMANIAN KRISHNAMURTHY, GHANWANI ANOOP, JANARDHANAN PATHANGI NARASIMHAN, ANUMALA MOHNISH, JAYAKUMAR RAJA, Sundaram Shivakumar, Subramanian Krishnamurthy, Ghanwani Anoop, Janardhanan Pathangi Narasimhan, Anumala Mohnish, Jayakumar Raja
Принадлежит: DELL PRODUCTS L.P., DELL PRODUCTS LP, Dell Products, L.P.

An extended bridge structure that includes a controlling bridge and port extenders is disclosed. A port extender according to some embodiments of the present invention includes a processor that processes receives packets in a way that executes at least one procedure that substitutes for a function of the controlling bridge. A controlling bridge according to the present invention provides data to the port extender that enables it to execute the at least one procedure that substitutes for a function of the controlling bridge.

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Номер записи: 10
14-08-2012 дата публикации

Multiple chassis stacking using front end ports

Номер: US0008243729B2
Автор: Krishnamurthy Subramanian, Raja Jayakumar, Janardhanan P. Narasimhan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, NARASIMHAN JANARDHANAN P.
Принадлежит: Force10 Networks, Inc., SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, FORCE10 NETWORKS INC, NARASIMHAN JANARDHANAN P., FORCE10 NETWORKS, INC.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 11
16-02-2012 дата публикации

MULTICAST PACKET FORWARDING USING MULTIPLE STACKED CHASSIS

Номер: US20120039335A1
Автор: Krishnamurthy Subramanian, Raja Jayakumar, Janardhanan P. Narasimhan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, NARASIMHAN JANARDHANAN P.
Принадлежит: Force10 Networks. Inc.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 12
18-02-2014 дата публикации

Packet forwarding using multiple stacked chassis

Номер: US0008654680B2
Автор: Krishnamurthy Subramanian, Raja Jayakumar, Pathangi Narasimhan Janardhanan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, JANARDHANAN PATHANGI NARASIMHAN
Принадлежит: Force10 Networks, Inc., SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, JANARDHANAN PATHANGI NARASIMHAN, FORCE10 NETWORKS INC, FORCE10 NETWORKS, INC.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 13
25-08-2015 дата публикации

System and method for automated DCB configuration of access switches

Номер: US0009118554B2
Автор: Senthil Kumar Ganesan, Raja Jayakumar, Ashok Daparthi, Aravind Babu Mahendrababu, Raja Subbiah, GANESAN SENTHIL KUMAR, JAYAKUMAR RAJA, DAPARTHI ASHOK, MAHENDRABABU ARAVIND BABU, SUBBIAH RAJA
Принадлежит: Dell Products L.P., DELL PRODUCTS LP, DELL PRODUCTS L.P.

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device.

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Номер записи: 14
26-01-2012 дата публикации

PACKET FORWARDING USING MULTIPLE STACKED CHASSIS

Номер: US20120020373A1
Автор: KRISHNAMURTHY SUBRAMANIAN, Raja Jayakumar, Janardhanan . P Narasimhan, SUBRAMANIAN KRISHNAMURTHY, JAYAKUMAR RAJA, NARASIMHAN JANARDHANAN P, NARASIMHAN JANARDHANAN . P
Принадлежит: Force10 Networks, Inc.

A stacked chassis comprising multiple physical switch/router chassis operates without any special stacking hardware or stacking channels. Instead, a stacking LAG is installed between front-end switch ports on the stacked chassis. The chassis controllers negotiate a master, which controls operation of all chassis in the stack. A stacked-chassis-wide port numbering scheme is used to distribute information to all line cards in the system. Each line card processes the information to distill physical-chassis significant information for operation of that chassis in the stack.

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Номер записи: 15
28-01-2021 дата публикации

Hash collision mitigation system

Номер: US20210029036A1
Автор: Anoop Ghanwani, Chetput L. Venkataraghavan, KANNAN Karuppiah, Raja Sathianarayan Jayakumar
Принадлежит: Dell Products LP

A hash collision mitigation system includes a source device coupled to a destination device by a networking device. The networking device receives a first packet from the source device, and uses first packet information included in the first packet to perform a hash operation on the first packet and generate a hash value. The networking device then determines that the hash value has caused a hash collision with a first hash value forwarding entry in a hash forwarding table in the networking device and, in response, generates a first Policy Based Routing (PBR) entry for the first packet. The first PBR entry is configured to provide for the forwarding of at least one second packet received from the destination device and directed to the source device, and that first PBR is stored in a Ternary Content Addressable Memory (TCAM) in the networking device.

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Номер записи: 16
30-04-2020 дата публикации

Microburst visibility system

Номер: US20200136983A1
Автор: Anoop Ghanwani, Raja Sathianarayan Jayakumar
Принадлежит: Dell Products LP

A microburst visibility system includes a switch device coupled to each sender device(s) and receiver device(s). The switch device receives flows transmitted by the sender device(s) to the receiver device(s). For each flow that include data packets that are stored in a first queue, the switch device provides a first queue identifier for the first queue in a flow record associated with that flow and modifies, for each data packet that is transmitted as part of that flow, flow information in data packet counter(s) that are associated with the first queue identifier in the flow record associated with that flow. When the switch device detects a microburst in the first queue, it captures the flow information in each data packet counter that is associated with the first queue identifier in each of the flow records included in the switch device, and provides it for analysis.

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Номер записи: 17
18-09-2014 дата публикации

PORT EXTENDER

Номер: US20140269710A1
Автор: ANUMALA Mohnish, Ghanwani Anoop, Janardhanan Pathangi Narasimhan, JAYAKUMAR Raja, SUBRAMANIAN Krishnamurthy, Sundaram Shivakumar
Принадлежит:

An extended bridge structure that includes a controlling bridge and port extenders is disclosed. A port extender according to some embodiments of the present invention includes a processor that processes receives packets in a way that executes at least one procedure that substitutes for a function of the controlling bridge. A controlling bridge according to the present invention provides data to the port extender that enables it to execute the at least one procedure that substitutes for a function of the controlling bridge. 1. A port extender , comprising:access ports configured to exchange packets with nodes;cascade ports configured to exchange packets with downstream port extenders;uplink ports configured to exchange packets with upstream devices;memory; anda processor coupled to the memory, the access ports, the cascade ports, and the uplink ports to receive a first packet from one of the access ports, cascade ports, and uplink ports and forward a second packet in response to the first packet to a different one of the access ports, cascade ports, and uplink ports, the processor executing a procedure stored in the memory that substitutes for a function of a controlling bridge.2. The port extender of claim 1 , wherein the procedure includes execution of an ACL and QoS function.3. The port extender of claim 2 , wherein the ACL and QoS policies for one or more extended ports associated with the access ports or the cascade ports during an instantiation procedure is received from a controlling bridge and stored in a table in the memory.4. The port extender of claim 1 , wherein the procedure includes local switching based on table lookups on a table stored in the memory.5. The port extender of claim 4 , wherein the procedure includesreceiving a packet on an access port, the packet including a source MAC address and a destination MAC address;performing a table lookup based on both the source MAC address and the destination MAC address;if there is a hit on both the source ...

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Номер записи: 18
14-07-2016 дата публикации

Port extender

Номер: US20160205019A1
Автор: Anoop Ghanwani, Krishnamurthy Subramanian, Mohnish Anumala, Pathangi Narasimhan Janardhanan, Raja Jayakumar, Shivakumar Sundaram
Принадлежит: Dell Products LP

An extended bridge structure that includes a controlling bridge and port extenders is disclosed. A port extender according to some embodiments of the present invention includes a processor that processes receives packets in a way that executes at least one procedure that substitutes for a function of the controlling bridge. A controlling bridge according to the present invention provides data to the port extender that enables it to execute the at least one procedure that substitutes for a function of the controlling bridge.

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Номер записи: 19
01-09-2016 дата публикации

System and method for automated dcb configuration of access switches

Номер: US20160254953A1
Автор: Aravind Babu MahendraBabu, Ashok Daparthi, Raja Jayakumar, Raja Subbiah, Senthil Kumar Ganesan
Принадлежит: Dell Products LP

A system and method of automated Data Center Bridging (DCB) configuration of an access switch includes a control unit, a memory, and a port configured to couple the access switch to a peer device. The control unit is configured to operate the port according to a state machine including a DCB disabled state, a DCB downstream state, and a DCB upstream state. When the port is in the DCB disabled state, the control unit exchanges network traffic on the port without any DCB extensions. When the port is in the DCB upstream state, the control unit exchanges network traffic on the port using DCB extensions based on the DCB configuration and receives the DCB configuration from the peer device. When the port is in the DCB downstream state, the control unit exchanges network traffic on the port using the DCB extensions and transmits the DCB configuration to the peer device.

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Номер записи: 20
24-09-2015 дата публикации

Systems And Methods For Automatic Access Layer Configuration

Номер: US20150271010A1
Автор: Jayakumar Raja S., Shetty Sudhir V.
Принадлежит:

Systems and methods are provided that may be employed for automatic access layer configuration, for example, to achieve correct server profile provisioning so as to enable information handling system network connectivity from a server through one or more aggregator switches that is configured to fit a given workload and/or network connectivity architecture. The disclosed systems and methods may be implemented using intelligent platform enablement and exchange of information between information handling system compute resource/s and adjacent access layer switch/es. 1. An information handling system configured for coupling to an external network , comprising:an access layer comprising at least one aggregator switch including an aggregator switch processing device and multiple logical switches controlled by the processing device, the aggregator processing device being configured to control the multiple logical switches to selectably route network communications between the information handling system and the external network across one or more corresponding selected separate external network communication streams;at least one in-band processing device;at least one converged network adapter (CNA) coupled between the in-band processing device and the logical switches of the aggregator switch; andat least one out-of-band processing device coupled to control the CNA, the out-of-band processing device being separate from the in-band processing device; discover an identity of the selected external network communication streams corresponding to the network communications; and', 'communicate the discovered identity of the selected network communication streams from the aggregator switch to the out-of band processing device through the CNA., 'where the aggregator switch processing device is configured to automatically2. The information handling system of claim 1 , where each of the selected separate external network communication streams is a link aggregation group (LAG); where ...

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Номер записи: 21
25-01-2024 дата публикации

Application acceleration port interface module embodiments

Номер: US20240028545A1
Автор: Anoop Ghanwani, Padmanabhan Narayanan, Per Henrik Fremrot, Raja Sathianarayan Jayakumar
Принадлежит: Dell Products LP

Embodiments herein provide more efficient, more flexible, and more cost-effective ways to provide additional and/or increased functionality to an information handling system. Presented herein are embodiments of an application acceleration port interface module (which embodiments may be referred to herein for convenience as “AAPIM”) into which pluggable I/O (input/output) modules may be inserted and the other ends inserted into ports of an information handling system to provide the information handling system with increase capabilities (e.g., increased resource, such as added processing, and increased services, such as new applications or accelerated services). AAPIM embodiments are versatile solutions to address application acceleration needs that can be quickly reprogrammed to address specific needs of a user.

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Номер записи: 22
25-07-2024 дата публикации

Buffer headroom-based result determination system

Номер: US20240250912A1
Автор: Anoop Ghanwani, Claudio Desanti, Raja Sathianarayan Jayakumar
Принадлежит: Dell Products LP

A headroom-based result determination system includes first and second ports connected via a link, and a buffer for the first port. A headroom-based result determination subsystem monitors data stored in the buffer that was received in data packets each having a worst-case data packet size and transmitted at a maximum packet rate for a link speed of the link, determines that a buffer threshold is reached and, in response, generates a pause instruction. The headroom-based result determination subsystem then transmits the pause instruction to the second port, measures a first amount of data stored in the buffer subsequent to generating the pause instruction, and generates a headroom-based result by adding the first amount of data, a second amount of data equal to a maximum transmission size of the first port, and a third amount of data equal to a maximum transmission size of a class of the data received at the first port.

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Номер записи: 23
20-06-2024 дата публикации

Packet forwarding in an information handling system with loopback configuration

Номер: US20240205172A1
Автор: Anoop Ghanwani, Per Henrik Fremrot, Raja Sathianarayan Jayakumar
Принадлежит: Dell Products LP

Presented herein are systems and methods for packet processing in an information handling system that uses loopback processing. In one or more embodiments, buffer accounting is done with respect to the original ingress port for packets when using loopback processing. Such embodiments have several benefits, including but not limited to, mitigating or eliminating head-of-line (HoL) blocking of traffic and headroom (plus additional buffers which may need to be allocated for use before priority-based flow control is generated) provisioning for the loopback port. Embodiments may include additional features, such as handling anomalies (e.g., corruption) and reclaiming reserved buffers if corruption or delays occur.

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Номер записи: 24