Hybrid network system, communication method and network node

Patent metadata

Field	Value
Publication number	US-11477255-B2
Application number	US-202016938075-A
Country	US
Kind code	B2
Filing date	Jul 24, 2020
Priority date	Sep 9, 2014
Publication date	Oct 18, 2022
Grant date	Oct 18, 2022

Abstract

A hybrid network system, a communication method and a network node are provided. The hybrid network system includes a combined network system architecture of a point-to-point network and a broadcast network, the point-to-point network is provided with a plurality of point-to-point channels, and each network node can send a message to a corresponding network node or receive the message from the corresponding network node through the point-to-point channel; the broadcast network is provided with a plurality of broadcast channels, and each broadcast channel can only have one sender at most at the same time, but can have a plurality of receivers; at least a part of network nodes have the capability of sending messages to be broadcast, at least a part of network nodes have the capability of receiving the broadcast messages, and at least some network nodes are configured to select the broadcast network or the point-to-point network at least according to communication tasks to be executed per se to complete the communication tasks to be executed. Preferably, each network node has the capability of sending and receiving the broadcast message. The hybrid network system of the embodiment of the present invention has high flexibility and high communication performance.

First claim

The invention claimed is:

1. A hybrid network system, comprising:
a combined network system architecture including a wired point-to-point network and a wireless broadcast network, and network nodes in the wired point-to-point network and the wireless broadcast network, wherein each of the network nodes includes one or more processors,
wherein the wired point-to-point network is provided with a plurality of point-to-point channels, each of the network nodes being operable to send a message to a corresponding network node or receive a message from the corresponding network node through a point-to-point channel, and the wireless broadcast network is realized by one of WIFI, a millimeter wave technology, and a visible light network,
wherein the wireless broadcast network is provided with a plurality of broadcast channels, and a broadcast channel has one single sender at a time, and has a plurality of receivers; each of the network nodes have capability of sending messages to be broadcast through the broadcast channels, and at least a part of the network nodes have capability of receiving the broadcast messages, and
wherein each of the network nodes is configured to select a channel between the broadcast channels and the point-to-point channels at least according to communication tasks to be executed and complete the communication tasks to be executed through the selected channel,
wherein the hybrid network system is applied to a data center, and the wireless broadcast network is used for operating system mirror broadcast of a cloud platform with respect to the data center,
wherein each network node is further configured to determine whether to select the wireless broadcast network to complete a part of broadcast or multicast communication according to the communication traffic and a network use condition of the wireless broadcast network by:
when carrying out a certain operation capable of adopting a broadcast algorithm, when the wireless broadcast network is being occupied by other operations, determining whether to wait for the wireless broadcast network to be released or immediately communicate through the wired point-to-point network according to an occupation condition of the wireless broadcast network and an evaluation of benefits being obtained by the certain operation from the wireless broadcast network, and
when carrying out a certain operation capable of adopting the broadcast algorithm, when a storage space volume of the network node to carry out a broadcast operation does not satisfy requirements of an operation on the storage space volume, adopting the wired point-to-point network to realize the certain operation.

2. The hybrid network system of claim 1 , wherein the wired point-to-point network is used as a channel for the wireless broadcast network to coordinate and allocate information.

3. A communication method in a hybrid network system, the hybrid network system comprises:
a combined network system architecture including a wired point-to-point network and a wireless broadcast network, and network nodes in the wired point-to-point network and the wireless broadcast network, wherein each of the network nodes includes one or more processors,
wherein the wired point-to-point network is provided with a plurality of point-to-point channels, each of the network nodes being operable to send a message to a corresponding network node or receive a message from the corresponding network node through a point-to-point channel, and the wireless broadcast network is realized by one of WIFI, a millimeter wave technology, and a visible light network,
wherein the wireless broadcast network is provided with a plurality of broadcast channels, and a broadcast channel has one single sender at a time, and has a plurality of receivers; each of the network nodes have capability of sending messages to be broadcast through the broadcast channels, and at least a part of the network nodes have capability of receiving the broadcast messages, and
the communication method comprises: configuring each of the network nodes to select between the broadcast channels and the point-to-point channels at least according to communication tasks to be executed and complete the communication tasks to be executed through the selected channels,
wherein the hybrid network system is applied to a data center, and the wireless broadcast network is used for operating system mirror broadcast of a cloud platform with respect to the data center,
wherein each network node is further configured to determine whether to select the wireless broadcast network to complete a part of broadcast or multicast communication according to the communication traffic and a network use condition of the wireless broadcast network by:
when carrying out a certain operation capable of adopting a broadcast algorithm, when the wireless broadcast network is being occupied by other operations, determining whether to wait for the wireless broadcast network to be released or immediately communicate through the wired point-to-point network according to an occupation condition of the wireless broadcast network and an evaluation of benefits being obtained by the certain operation from the wireless broadcast network, and
when carrying out a certain operation capable of adopting the broadcast algorithm, when a storage space volume of the network node to carry out a broadcast operation does not satisfy requirements of an operation on the storage space volume, adopting the wired point-to-point network to realize the certain operation.

4. A network node in a hybrid network system, the hybrid network system comprising a combined network system architecture of a wired point-to-point network and a wireless broadcast network, wherein the wired point-to-point network is provided with a plurality of point-to-point channels, the wireless broadcast network is provided with a plurality of broadcast channels, and a broadcast channel has one sender at a time, and has a plurality of receivers, and the wireless broadcast network is realized by one of WIFI, a millimeter wave technology, and a visible light network,
the network node being operable to send a message to a corresponding network node or receive a message from the corresponding network node through a point-to-point channel, and having capability of sending a message to be broadcast and receiving a broadcast message through a broadcast channel, and
the network node including one or more processors configured to select between the broadcast channels and the point-to-point channels at least according to a communication task to be executed and complete the communication task to be executed through the selected channel,
wherein the hybrid network system is applied to a data center, and the wireless broadcast network is used for operating system mirror broadcast of a cloud platform with respect to the data center,
wherein each network node is further configured to determine whether to select the wireless broadcast network to complete a part of broadcast or multicast communication according to the communication traffic and a network use condition of the wireless broadcast network by:
when carrying out a certain operation capable of adopting a broadcast algorithm, when the wireless broadcast network is being occupied by other operations, determining whether to wait for the wireless broadcast network to be released or immediately communicate through the wired point-to-point network according to an occupation condition of the wireless broadcast network and an evaluation of benefits being obtained by the certain operation from the wireless broadcast network, and
when carrying out a certain operation capable of adopting the broadcast algorithm, when a storage space volume of the network node to carry out a broadcast operation does not satisfy requirements of an operation o

Assignees

• Univ Tsinghua

Inventors

• Zheng Weimin
• Chen Wenguang
• Xue Wei
• Zhai Jidong
• Chen Kang

Classifications

• H04L65/611 Primary

  for multicast or broadcast (systems for broadcast or conference H04L12/18; arrangements for broadcast or distribution combined with broadcast H04H20/00; arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time H04H60/00; selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS], H04W4/06) · CPC title

• H04L67/1095

  Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes · CPC title

• H04L67/1097

  for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS] · CPC title

• H04L67/02

  based on web technology, e.g. hypertext transfer protocol [HTTP] · CPC title

• H04L61/5014

  using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP] · CPC title