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Host network accelerator for data center overlay network

A host network and accelerator technology, applied in the field of computer networks, can solve problems such as high cost, non-determinism, loss, etc.

Active Publication Date: 2015-09-30
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Proprietary switching fabrics can provide high performance, but can sometimes be more expensive, and in some cases can provide a single point of failure for the network
Off-the-shelf packet-based switching components can be cheaper, but can result in lossy, non-deterministic behavior

Method used

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  • Host network accelerator for data center overlay network
  • Host network accelerator for data center overlay network
  • Host network accelerator for data center overlay network

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0151] Example 1. A host network accelerator comprising: a physical network interface for connecting to a switch fabric comprising a plurality of switches providing connectionless, packet-based switching for packets over the physical network; input / output (I / O) bus interface for connecting to an I / O bus of a server providing an operating environment for executing one or more virtual machines associated with one or more virtual networks; and a hardware-based virtual router, located on a data path between the physical network interface and the I / O bus interface, the virtual router configured to apply routing information of the virtual network to the virtual A packet is routed between a virtual machine and a virtual machine executing on one or more remote servers coupled to the physical network.

example 2

[0152] Example 2. The host network accelerator of example 1, wherein the I / O bus interface includes memory for storing outgoing packets written directly by the virtual machine.

example 3

[0153] Example 3. The host network accelerator of example 1, wherein the I / O bus interface comprises a PCIe interface configured to connect to a Peripheral Component Interconnect Express (PCIe) bus of a respective one of the servers.

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Abstract

A high-performance, scalable and drop-free data center switch fabric and infrastructure is described. The data center switch fabric may leverage low cost, off-the-shelf packet-based switching components (e.g., IP over Ethernet (IPoE)) and overlay forwarding technologies rather than proprietary switch fabric. In one example, host network accelerators (HNAs) are positioned between servers (e.g., virtual machines or dedicated servers) of the data center and an IPoE core network that provides point-to-point connectivity between the servers. The HNAs are hardware devices that embed virtual routers on one or more integrated circuits, where the virtual router are configured to extend the one or more virtual networks to the virtual machines and to seamlessly transport packets over the switch fabric using an overlay network. In other words, the HNAs provide hardware-based, seamless access interfaces to overlay technologies used for communicating packet flows through the core switching network of the data center.

Description

[0001] Cross References to Applications [0002] This application claims the benefit of U.S. Provisional Application No. 61 / 973,045, filed March 31, 2014, the entire contents of which are hereby incorporated by reference. technical field [0003] The present invention relates to computer networks, and more particularly to data centers providing virtual networks. Background technique [0004] In a typical cloud-based data center, a large collection of interconnected servers provides computing and / or storage capacity for executing various applications. For example, a data center may include a facility that hosts applications and services for subscribers, such as customers of the data center. A data center may, for example, host all infrastructure equipment, such as networking and storage systems, redundant power supplies, and environmental controls. In most data centers, clusters of storage systems and application servers are interconnected via a high-speed switching fabric...

Claims

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Application Information

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IPC IPC(8): H04L12/701H04L12/863
CPCH04L47/12H04L12/4641H04L49/70H04L12/4633G06F13/128H04L47/50G06F13/385
Inventor P·辛胡
Owner JUMIPER NETWORKS INC
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