Cisco Technology, Inc.

Sun Microsystems, Inc.

Oracle America, Inc.

Cisco Systems Inc.

Andreas V Bechtolsheim

David R Cheriton

James F Testa

Edward H Frank

Shawn F Storm

Ola Torudbakken

Bjorn Dag Johnsen

Mark A Ross

Thomas James Edsall

Christopher H Frank

Howard M Frazier

Philip G Yurkonis

Andrew P Tosh

Hiroshi Suzuki

Stewart Findlater

Edward J Cornelius, Iii

Denise R Silverman

Marinica Rusu

Paul Frantz

Aly E Orady

Shimon Muller

Ariel Hendel

Michael C Ryan

Rodney A Dekoning

Ola Tørudbakken

Bjørn Dag Johnsen

Sharat C Prasad

June Lee

Inge Lars Birkeli

Michael K Wong

Mohammad Kamel Issa

Edmund Joseph Kelly

James M Stanton

Milton C Lee

Yatin Gajjar

Daniel Bernard Hruska

Sun-den Chen

Gilberto Figueroa

Sarah T Aquino

Alexander N Pappas

Dean H Nelson

Timothy Bucher

James J Ludemann

Hon Hung Yam

Raju Penumatcha

A method for cooling electronic equipment. The method including propagating air through a first electronic component of the electronic equipment into a first enclosed area, where propagating the air through the first electronic component cools the first electronic component, circulating a refrigerant in a cooling loop, where the cooling loop comprises a heat exchanger, and propagating the air out of the first enclosed area by passing through the heat exchanger into a second enclosed area, where the air is cooled by passing through the heat exchanger.

Method and apparatus for cooling electronic equipment

In a system having a cluster of system components interconnected by a cluster interconnect fabric, the system components include out-of-band management network interfaces to an out-of-band management network. The system is configured to use the cluster interconnect fabric and the out-of-band management network interfaces to determine the overall connectivity and status of the cluster.

Cluster system management

The invention provides an enhanced datagram packet switched computer network. The invention processes network datagram packets in network devices as separate flows, based on the source-destination address pair in the datagram packet. As a result, the network can control and manage each flow of datagrams in a segregated fashion. The processing steps that can be specified for each flow include traffic management, flow control, packet forwarding, access control, and other network management functions. The ability to control network traffic on a per flow basis allows for the efficient handling of a wide range and a large variety of network traffic, as is typical in large-scale computer networks, including video and multimedia traffic. The amount of buffer resources and bandwidth resources assigned to each flow can be individually controlled by network management. In the dynamic operation of the network, these resources can be varied&#x2014;based on actual network traffic loading and congestion encountered. The invention also teaches an enhanced datagram packet switched computer network which can selectively control flows of datagram packets entering the network and traveling between network nodes. This new network access control method also interoperates with existing media access control protocols, such as used in the Ethernet or 802.3 local area network. An aspect of the invention is that it does not require any changes to existing network protocols or network applications.

Method for traffic management, traffic prioritization, access control, and packet forwarding in a datagram computer network

A loopback connector for a system can include a connector arrangement connectable to connector of a system component and/or a cable. The loopback connector can include loopback logic for simulating cable and/or system component functionality. In an example implementation the loopback connector can also operate to protect a system component and/or cable connector during shipping.

Fault isolation in interconnect systems

A rack mountable solid-state storage subsystem includes a plurality of interface units and a plurality of data storage modules to implement a mass storage device. Each of the interface units may be coupled to a plurality of communication ports for connection to a host server and to other interface units. Each data storage module may be detachably mated to a corresponding connector mounted to a motherboard. Each data storage module may also include a non-volatile flash memory storage and a volatile storage. The data storage modules may be partitioned into a plurality of portions, each coupled to a respective interface unit via the motherboard. Each portion of the data storage modules and the respective interface unit to which each portion is coupled may form a separate storage domain that is isolated from each other domain. The storage subsystem may also include redundant power supplies and backup power supplies.

Self-contained densely packed solid-state storage subsystem

A network system which includes a plurality of separate processing entities, an input output bus, and a network interface unit shared among the plurality of separate processing entities is disclosed. The network interface unit is coupled to the plurality of separate processing entities via the input output bus. The network interface unit has a plurality of memory access channels and each memory access channel is assigned to one processing entity.

System for providing virtualization of network interfaces at various layers

A rackmount storage server has a printed circuit board (PCB) having connectors for connecting with a plurality of top-loading storage devices. A controller assembly having a PCI expansion slot, is arranged to operatively connect to the passive backplane from a rear side of the PCB. Further, the rackmount storage server has redundant cooling unit for facilitating air flow in an interior region of the rackmount storage server. Further, the rackmount storage server may have an integrated battery for saving power for use in case of, for example, a power failure.

Compact rackmount storage server

In order to monitor connectivity status associated with an interconnect cable from the end-points to which either end of the cable is attached, a storage device storing a field replaceable unit identifier is provided to uniquely identify a cable end-point, which identifier can then be accessed to determine the connectivity status.

Cable interconnect systems with cable connectors implementing storage devices

A method and system for conveying management information across a network are disclosed. The method includes generating an Ethernet packet comprising a converged data link header in place of an Ethernet preamble and transmitting the modified packet from a network element. The header is configured to provide support for network management.

Method and system for providing operations, administration, and maintenance capabilities in packet over optics networks

A high speed communications interface divides data into a plurality of lanes, each lane encoded with clocking information, serialized, and sent to an interface. During cycles when there is no available data to send, IDLE_EVEN and IDLE_ODD cells are sent on alternating cycles. Data is transmitted by sending a header which spans all lanes and includes a START symbol. The final data transaction includes a Frame Check Sequence (FCS) which operates over the entire header and data. The packet is terminated by an END symbol, which is sent after the final data, and the remainder of the lanes are padded with IDLE_EVEN, IDLE_ODD, IDLE_EVEN_BUSY, or IDLE_ODD_BUSY cycles. The interface has a variable clock rate.

Multi-function high-speed network interface

Switch housing

Server enclosure

Provided is a 10/100Base-T MAC to PHY interface requiring only two wires (pins) per port, with two additional global wires: a clock wire (pin), and a synchronization wire (pin). This reduction in the number of pins associated with each port is achieved by time-division multiplexing wherein each time-division multiplexed wire combines a plurality of definitions from the conventional 100Base-T interface specified by IEEE 802.3u (clause 22). As a result, each port has its own pair of associated time-division multiplexed wires (pins) and the addition of each port simply requires two additional wires. According to a preferred embodiment of the present invention, information normally transferred on sixteen wires in a conventional 100Base-T interface at 25 MHz is time-division multiplexed onto two wires (corresponding to two pins) that transfer data at 125 MHz, five times the speed of conventional interfaces. Importantly, this multiplexing is done on a port by port basis. Therefore, the number of pins required for a MAC to transceiver interface is two times the number of ports plus two instead of sixteen times the number of ports, and the addition of each additional port requires only two more wires (pins).

Serial media independent interface

Growing community of inventors

Stanford, CA, United States of America

Andreas V Bechtolsheim