# US 2019/0356384 A1 · Contactless low-distance network-connection in datacenters

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- Number: US 2019/0356384 A1
- Document ID: US20190356384A1
- Status: Published application
- Kind: A1
- Application number: 15/981,937
- Filed: 2018-05-17
- Published: 2019-11-21
- Earliest claimed: 2018-05-17
- Assignees: NEC Laboratories Europe GmbH
- Applicants: NEC Laboratories Europe GmbH
- Inventors: Enrico Giakas
- Web page: https://patentgrep.com/patent/US20190356384A1

## CPC

- H04B 10/116: Visible light communication
- H04B 10/502: {LED transmitters}
- H04B 10/803: {Free space interconnects, e.g. between circuit boards or chips}
- H04L 41/0803: Configuration setting
- H04L 41/0806: for initial configuration or provisioning, e.g. plug-and-play
- H04L 41/0895: Configuration of virtualised networks or elements, e.g. virtualised network function or OpenFlow elements
- H04L 67/10: in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46)
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A method for connecting nodes in a datacenter includes installing a first network node in a datacenter adjacent to at least a second network node. A wireless communication link is automatically established between the first network node and the second network node. A network is configured with the first network node, the second network node, and a third network node.

## Claims

### Claim 1

A method for connecting nodes in a datacenter, the method comprising:
installing a first network node in a datacenter adjacent,—a second network node in the datacenter adjacent to the first network node, and a third network node in the datacenter adjacent to the second network node;
establishing, automatically, a wireless communication link between the first network node, the second network node, and the third network node; and
configuring a network with the first network node, the second network node, and the third network node;
removing the second network node from the network; and
establishing, automatically, a wireless communication link between the first network node and the third network node.

### Claim 2

(canceled)

### Claim 3 (depends on 1)

The method according to claim 1, wherein the wireless communication link uses optical-wireless-communication (OWC).

### Claim 4 (depends on 1)

The method according to claim 1, wherein the wireless communication link uses light fidelity (LiFi) communication.

### Claim 5 (depends on 1)

The method according to claim 1, wherein the wireless communication link uses free space laser communication.

### Claim 6 (depends on 1)

The method according to claim 1, wherein the wireless communication link uses Infrared Data Association (IrDA) communication.

### Claim 7 (depends on 1)

The method according to claim 1, wherein the first network node includes a first communication element at a defined position and the second network node includes a second communication element at a corresponding defined position and the first communication element and the second communication element are configured to establish the wireless communication link.

### Claim 8 (depends on 1)

The method according to claim 1, wherein a communication element for the first network node is a distance of 5 cm from a front and 5 cm from a left side of the first network node.

### Claim 9 (depends on 1)

The method according to claim 1, further comprising establishing wireless communication links between the first network node and a plurality of adjacent network nodes.

### Claim 10 (depends on 1)

The method according to claim 1, further comprising forming a virtual backplane between the first network node and the third network node.

### Claim 11 (depends on 1)

The method according to claim 1, wherein the first network node is a server.

### Claim 12 (depends on 1)

The method according to claim 1, wherein the first network node is a switch.

### Claim 13

A method for connecting nodes in a datacenter, the method comprising:
removing a first network node in a datacenter adjacent to at least a second network node and a third network node;
severing, automatically, a wireless communication link between the first network node and the second network node;
severing, automatically, a wireless communication link between the first network node and the third network node;
establishing, automatically, a wireless communication link between the second network node and the third network node; and
configuring a network with the second network node, and the third network node.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the wireless communication link uses optical-wireless-communication (OWC).

### Claim 15 (depends on 13)

The method according to claim 13, wherein the first network node includes a communication element at a defined position.