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    Shared egress buffer in a multi-stage switch
    11.
    发明授权
    Shared egress buffer in a multi-stage switch 有权
    多级交换机中的共享出口缓冲区

    公开(公告)号：US09100313B1

    公开(公告)日：2015-08-04

    申请号：US13709537

    申请日：2012-12-10

    Applicant: Cisco Technology, Inc.

    Inventor： Mario Mazzola ,  Luca Cafiero ,  Francis Matus ,  Georges Akis ,  Peter Newman

    IPC: H04L12/933 ,  H04L12/947 ,  H04L12/931

    CPC classification number: H04L49/101 ,  H04L49/1523 ,  H04L49/25 ,  H04L49/50

    Abstract: A multi-stage network switch comprises a plurality of ingress port subsystems each comprising one or more ingress ports configured to receive packets. The switch also comprises a plurality of unscheduled crossbar switching elements connected to the ingress port subsystems that are configured to receive one or more packets from at least one of the ingress port subsystems. The switch further comprises a plurality of egress port subsystems each comprising a memory and a plurality of egress ports. The memory comprises at least one shared egress buffer configured to receive any packets forwarded by the crossbar switching elements from the ingress port subsystems directed to the egress port subsystem, and the egress ports are configured to transmit the packets received in the shared egress buffer.

    Abstract translation: 多级网络交换机包括多个入口端口子系统，每个入口端口子系统包括被配置为接收分组的一个或多个入口端口。 交换机还包括连接到入口端口子系统的多个非预定的交叉开关元件，其被配置为从至少一个入口端口子系统接收一个或多个分组。 交换机还包括多个出口端口子系统，每个出口端口子系统包括存储器和多个出口端口。 存储器包括至少一个共享出口缓冲器，其被配置为接收由交叉开关元件转发的指向入口端口子系统的入口端口子系统转发的任何分组，并且出口端口被配置为发送在共享出口缓冲器中接收的分组。

    HIGH DENSITY CONNECTOR
    13.
    发明申请
    HIGH DENSITY CONNECTOR 有权
    高密度连接器

    公开(公告)号：US20170054259A1

    公开(公告)日：2017-02-23

    申请号：US14828543

    申请日：2015-08-18

    Applicant: Cisco Technology, Inc.

    Inventor： Franco TOMADA ,  Luca Cafiero

    IPC: H01R24/66 ,  H01R43/26 ,  H04Q1/02

    CPC classification number: H01R24/66 ,  H01R13/6471 ,  H01R24/60 ,  H01R43/26 ,  H01R2107/00 ,  H04Q1/02 ,  H04Q2201/802

    Abstract: In one embodiment, a method for increasing potential data capacity for a high-density transceiver connector includes: aligning at least two transceiver-switch copper contacts opposite at least one network switch copper contact associated with a network switch, aligning at least two transceiver-cable copper contacts opposite at least one cable copper contact, and connecting the at least two transceiver-switch copper contacts to the at least two transceiver-cable copper contacts, wherein the high-density transceiver connector shares a form factor with a low-density transceiver connector.

    Abstract translation: 在一个实施例中，一种用于增加高密度收发器连接器的潜在数据容量的方法包括：将至少两个收发器开关铜触点对准至少一个与网络开关相关联的网络开关铜触点，对准至少两个收发器电缆 铜触点相对于至少一个电缆铜触点，并且将所述至少两个收发器开关铜触点连接到所述至少两个收发器 - 电缆铜触点，其中所述高密度收发器连接器与低密度收发器连接器共享形状因数 。

    2 X 40 GBPS BIDI OPTICAL TRANSCEIVER
    14.
    发明申请
    2 X 40 GBPS BIDI OPTICAL TRANSCEIVER 有权
    2 X 40 GBPS BIDI光电收发器

    公开(公告)号：US20160156414A1

    公开(公告)日：2016-06-02

    申请号：US14557326

    申请日：2014-12-01

    Applicant: Cisco Technology, Inc.

    Inventor： Luca Cafiero ,  Franco Tomada

    IPC: H04B10/40 ,  H04B10/25

    CPC classification number: H04B10/40 ,  G02B6/4246 ,  G02B6/4284 ,  H04B10/2581 ,  H04J14/02

    Abstract: An apparatus, system and method for facilitating higher bandwidth communication in a data center using existing multi-mode fibers. A first transceiver within a first device transmits Ethernet traffic to a second device over first and second optical fibers and receives return optical signals over the same first and second optical devices. By varying the wavelengths between the transmitted and received optical signals, the same optical fibers can be used to both transmit and receive optical signals. A second transceiver within the same housing as the first transceiver performs the same function. In this fashion, one device can be coupled to four bidirectional optical fibers, each transmitting and receiving optical signals at 20 Gbps.

    Abstract translation: 一种用于利用现有多模光纤促进数据中心中更高带宽通信的装置，系统和方法。 第一设备内的第一收发器通过第一和第二光纤将以太网业务传输到第二设备，并通过相同的第一和第二光学设备接收返回光信号。 通过改变发送和接收的光信号之间的波长，相同的光纤可用于发送和接收光信号。 在与第一收发器相同的外壳内的第二收发器执行相同的功能。 以这种方式，一个设备可以耦合到四个双向光纤，每个发送和接收20Gbps的光信号。

    Fibre channel over ethernet
    15.
    发明授权
    Fibre channel over ethernet 有权
    以太网上的光纤通道

    公开(公告)号：US09246834B2

    公开(公告)日：2016-01-26

    申请号：US14486371

    申请日：2014-09-15

    Applicant: Cisco Technology, Inc.

    Inventor： Luca Cafiero ,  Silvano Gai

    IPC: H04L12/873 ,  H04L12/46 ,  H04L29/12

    CPC classification number: H04L47/522 ,  H04L12/4625 ,  H04L61/106 ,  H04L61/6022 ,  H04L61/6045

    Abstract: The present invention provides methods and devices for implementing a Low Latency Ethernet (“LLE”) solution, also referred to herein as a Data Center Ethernet (“DCE”) solution, which simplifies the connectivity of data centers and provides a high bandwidth, low latency network for carrying Ethernet and storage traffic. Some aspects of the invention involve transforming FC frames into a format suitable for transport on an Ethernet. Some preferred implementations of the invention implement multiple virtual lanes (“VLs”) in a single physical connection of a data center or similar network. Some VLs are “drop” VLs, with Ethernet-like behavior, and others are “no-drop” lanes with FC-like behavior. Some preferred implementations of the invention provide guaranteed bandwidth based on credits and VL. Active buffer management allows for both high reliability and low latency while using small frame buffers. Preferably, the rules for active buffer management are different for drop and no drop VLs.

    Abstract translation: 本发明提供了用于实现低延迟以太网（“LLE”）解决方案的方法和设备，这也被称为数据中心以太网（“DCE”）解决方案，其简化了数据中心的连接性并提供了高带宽，低 用于承载以太网和存储流量的延迟网络。 本发明的一些方面涉及将FC帧变换成适于在以太网上传输的格式。 本发明的一些优选实现在数据中心或类似网络的单个物理连接中实现多个虚拟通道（“VL”）。 一些VL是“下降”VL，具有类似以太网的行为，而其他VL是类似FC的行为的“不丢弃”通道。 本发明的一些优选实施方案提供了基于信用和VL的保证带宽。 使用小帧缓冲区时，主动缓冲区管理可实现高可靠性和低延迟。 优选地，用于主动缓冲器管理的规则对于丢弃和不丢弃VL是不同的。

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