CN113132260B - Multi-service virtual network system and multi-service separation parallel communication method - Google Patents
Multi-service virtual network system and multi-service separation parallel communication method Download PDFInfo
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- CN113132260B CN113132260B CN201911422408.7A CN201911422408A CN113132260B CN 113132260 B CN113132260 B CN 113132260B CN 201911422408 A CN201911422408 A CN 201911422408A CN 113132260 B CN113132260 B CN 113132260B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/70—Virtual switches
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The invention provides a multi-service virtual network system and a multi-service separation parallel communication method. The multi-service virtual network system and the multi-service separation parallel communication method are respectively coupled with the shared node operation system and each accessed service virtual network through a virtual network distributor, and the parallel transmission and the flow separation of each service virtual network in a physical network are realized through the virtual network distributor, and each service virtual network is distributed to corresponding service communication.
Description
Technical Field
The invention relates to the technical field of virtual networks, in particular to a multi-service virtual network system and a multi-service separation parallel communication method.
Background
Typically, a computer device is connected to an external network through a physical network interface. In this access mode, all traffic of various services that need to be communicated with the outside on the computer device is transmitted through the network interface. However, in such a server cluster as a data center network, there is often a lot of traffic belonging to different services; these traffic flows may have different levels of priority communication requirements not only for the corresponding traffic, but also for access permissions and other reasons, it is not and also not necessary for the nodes where these traffic flows occur to connect all network nodes. The networking manner provided by the above prior art, therefore, not only easily makes the whole network likely to stop due to a little fault (even though it is irrelevant to the target service communication), but also is not beneficial to timely finding and locating the network problem. More importantly, some of the traffic is affected by path congestion caused by other concurrent traffic flows; especially when those critical and sensitive traffic is disturbed, the efficiency of the entire server cluster in handling traffic will be reduced or even endangered.
Although, multiple physical network interfaces and corresponding other network connection device hardware may be configured for each computer device in the network, multiple independent network accesses may be provided, thereby enabling access to multiple independent service networks for different service communications. However, for a large complex network such as a data center network, the additional hardware will certainly increase the networking cost; meanwhile, the logic networks and the logic network nodes forming the logic networks are increased nearly in multiple, so that the difficulty of network configuration is necessarily increased.
The virtualization technology realizes the virtualization management of some types of hardware resources in some application scenarios. Taking network virtualization technology as an example, one of the network virtualization technology can integrate different network hardware and software resources as a virtual whole, and the technology aims to realize load balancing and redundancy, reduce the number of network logic nodes and simplify network logic topology at the same time, so as to relieve maintenance and management pressure; another virtual network technology, virtual private network technology (VPN), is to build a private network on a public network through software, so as to realize secure and isolated communication, and by means of VPN technology, the hardware cost and configuration difficulty of network construction can be reduced. VPN technology typically provides only one point-to-point virtual network connection at a time.
Obviously, the above prior art is often not apprehended in many new scenarios and new requirements under the circumstance that the requirements for network technology are continuously increasing and diversified. This includes a scenario of demand for multi-service split parallel communication.
Disclosure of Invention
In view of the above, the present invention provides a multi-service virtual network system and a method for parallel communication of multi-service separation.
In one aspect, an embodiment of the present invention provides a multi-service virtual network system.
The multi-service virtual network system includes:
a plurality of virtual networks corresponding to different types of service communication requirements, wherein the virtual networks are also called service virtual networks;
the service virtual network has a plurality of shared virtual nodes although corresponding to different service communication demands, and can also be simply referred to as shared nodes;
each service virtual network includes:
virtual nodes accessing to the service virtual network and virtual links connecting the virtual nodes; wherein, the liquid crystal display device comprises a liquid crystal display device,
the virtual nodes comprise virtual switch and non-switch nodes;
the non-exchanger node comprises a shared node for accessing the virtual network of the service;
the virtual switch is used for virtual switching when communication is carried out among non-switch nodes in the service virtual network;
the above multi-service virtual network system further comprises: a virtual network allocator;
the virtual network distributor is mainly used for network virtualization, separation of traffic virtual network flows and distribution of the traffic virtual networks to corresponding traffic so as to meet the communication requirements of the traffic;
the virtual network distributor is respectively coupled with the operating system of the shared node and each service virtual network; the method provides parallel transmission and flow separation of the flow of each service virtual network in a physical network, and distributes and controls the flow communication belonging to different services.
On the other hand, the embodiment of the invention provides a method for realizing multi-service separation parallel communication.
The method for multi-service separation parallel communication comprises the following steps:
operating a virtual network distributor on a host corresponding to a virtual node of a virtual network accessed to a plurality of corresponding different service communication requirements; wherein, each virtual network used for different service communication demands is a corresponding service virtual network; the virtual nodes are shared by the service virtual networks, namely the shared nodes;
coupling the virtual network distributor with the operation system of the shared node, and coupling the virtual network distributor with each service virtual network accessed by the shared node; the virtual network distributor provides parallel transmission and flow separation of each service virtual network in the physical network, and distributes each service virtual network to corresponding service communication.
The multi-service virtual network system and the multi-service separation parallel communication method are respectively coupled with the shared node operation system and the accessed service virtual networks through the virtual network distributor, and enable the parallel transmission and flow separation of the service virtual networks in the physical network through the virtual network distributor, and distribute the service virtual networks to corresponding service communication.
The technical scheme of the invention is further described through the drawings and specific embodiments.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief description of some of the embodiments of the present invention or the drawings involved in the description of the prior art will be provided below.
Fig. 1 is a schematic logic structure diagram of a multi-service virtual network system according to some embodiments of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by a person of ordinary skill in the art without any creative effort, are within the scope of the present invention based on the embodiments of the present invention.
The following are some preferred embodiments of the present invention. Wherein, the liquid crystal display device comprises a liquid crystal display device,
some of the above preferred embodiments provide a multi-service virtual network system. The multi-service virtual network system includes:
a plurality of (not less than 2) service virtual networks; the service virtual network corresponds to the communication requirements of different types of services; the service virtual network can be regarded as an independent network logically; however, it is not prevented that several virtual nodes are shared in these mutually different service virtual networks; these virtual nodes may also be simply referred to as common nodes;
each service virtual network includes:
virtual nodes accessing the virtual network of the service and virtual links connecting the virtual nodes;
wherein, the virtual node accessing each service virtual network comprises:
virtual switches and non-switch nodes; wherein, the liquid crystal display device comprises a liquid crystal display device,
the non-exchanger node comprises a shared node which is accessed to the virtual network of the service;
the virtual switch is used for virtual switching when communication is carried out among non-switch nodes in the service virtual network;
the above multi-service virtual network system further comprises: a virtual network allocator;
the virtual network distributor is mainly used for network virtualization, separation of traffic virtual network flows and distribution of the traffic virtual networks to corresponding traffic so as to meet the communication requirements of the traffic; wherein, the virtual network distributor usually operates on the host machine corresponding to the shared node; one side of the virtual network distributor is coupled with the operating system of the shared node, and the other side of the virtual network distributor is coupled with each service virtual network accessed by the shared node; the method and the system provide parallel transmission and flow separation of the flow of each service virtual network in the physical network, and distribute and control the flow communication belonging to different services.
Further, in a multi-service virtual network system provided in some of the above preferred embodiments, the virtual network allocator includes a virtual network controller; the virtual network controller is coupled with the operating system of the shared node on one side, and coupled with each service virtual network accessed by the shared node on the other side; which is used to provide parallel transmission of each accessed service virtual network in the physical network and logical isolation of each accessed service virtual network. On the basis of logical isolation of each service virtual network, the virtual network distributor respectively designates each virtual network to the corresponding service according to the network configuration information of each service virtual network. Specifically, for example, different service virtual networks are respectively divided into different network segments by pre-planning, and corresponding network configuration information is produced, so as to realize the distribution of the service virtual networks.
Still further, in a multi-service virtual network system provided by some of the above preferred embodiments, the above virtual network controller may be a combination including several groups of virtual network interface controllers; wherein, each group of virtual network interface controllers respectively corresponds to one accessed service virtual network; the virtual network interface controllers of each group are coupled through virtual links and the like; and the virtual network interface controllers on one side of the virtual network interface controllers are coupled with the operating systems of the shared nodes, and the virtual network interface controllers on the other side are coupled with the corresponding service virtual network interfaces; when the virtual networks are transmitted in the same physical network, the service virtual networks are logically isolated by the access control of the virtual network interface controllers.
Further, in a multi-service virtual network system provided in some of the above preferred embodiments, the virtual network allocator performs service type identification for traffic data of different services, so as to separate service traffic. For example, when the data packet of the traffic is sent, the virtual network distributor adds the service type identifier in the data packet header according to the source of the traffic (such as judging the service from the port information in the data packet so as to separate the traffic belonging to different services. On the basis, if the network device has a corresponding function, each service type identifier can be corresponding to a different priority or directly defined as a different priority, and the preferential transmission of specific service traffic (such as network sensitive service traffic) can be realized through the accessed network device with a corresponding function (such as a switch with a DSCP function).
Further, in a multi-service virtual network system provided in some of the above preferred embodiments, other nodes corresponding to (service requirements) are included in the service virtual network according to the corresponding service requirements. For example, in the multi-service virtual network system shown in fig. 1, a first service virtual network is used for storage communication, so the first service virtual network includes other nodes 2 as storage nodes.
The following describes a multi-service virtual network system according to an embodiment of the present invention with reference to the above embodiments and related drawings.
Fig. 1 is a schematic logic structure diagram of a multi-service virtual network system according to one of the above preferred embodiments. As shown in fig. 1, the multi-service virtual network system includes:
n service virtual networks; wherein, the liquid crystal display device comprises a liquid crystal display device,
n common nodes exist among the N service virtual networks;
and in these service virtual networks, respectively include:
virtual switches (e.g., virtual switch 1 of the first service virtual network, virtual switches 2, … … of the second service virtual network, virtual switch N of the nth service virtual network) and non-switch nodes (e.g., shared nodes 1-N, other nodes 1, other nodes 2) that access the virtual network. Therefore, the virtual network distributor is operated on the host computers corresponding to the shared nodes, wherein the first service virtual network, the second service virtual network … … and the Nth service virtual network are all communicated in parallel in the same physical network; and logically isolates the virtual networks and distributes and controls traffic communications belonging to different services.
Further preferred embodiments of the present invention provide a method for implementing multi-service split parallel communication. The method comprises the following steps:
operating a virtual network distributor on a host corresponding to a virtual node of a virtual network accessed to a plurality of corresponding different service communication requirements; wherein, each virtual network used for different business communication demands, namely corresponding business virtual network; the virtual nodes are shared by the service virtual networks, namely the shared nodes;
the virtual network distributor is coupled with the operation system of the shared node, and is also coupled with each service virtual network accessed by the shared node;
the virtual network distributor can provide parallel transmission and flow separation of the service virtual networks in the same physical network and distribute the service virtual networks to corresponding service communication.
Further, in the method for implementing multi-service split parallel communication provided in some of the above preferred embodiments, the virtual network allocator logically isolates each service virtual network by the virtual network controller:
coupling one side of the virtual network controller with an operating system of the common node, and coupling the other side of the virtual network controller with each service virtual network accessed by the common node; when each accessed service virtual network is transmitted in parallel in the physical network, the service virtual network is logically isolated through the access control of the virtual network controller. On the basis of logical isolation of each service virtual network, the virtual network distributor respectively designates each virtual network to the corresponding service according to the network configuration information of each service virtual network. Specifically, for example, different service virtual networks are respectively divided into different network segments by pre-planning, and corresponding network configuration information is produced, so as to realize the distribution of the service virtual networks.
Still further, in a method for implementing multi-service split parallel communication provided in some of the above preferred embodiments, the virtual network controller may be a combination including several groups of virtual network interface controllers; wherein, each group of virtual network interface controllers respectively corresponds to one accessed service virtual network:
by providing several virtual network interface controller groups coupled to each other (via virtual links, etc.), and respectively coupling one side virtual network interface controllers with the operating system of the shared node, and correspondingly coupling the other side virtual network interface controllers with each service virtual network, when each service virtual network is transmitted in the same physical network, the service virtual network is logically isolated and communicated by the access control of each virtual network interface controller group.
Further, in some of the above preferred embodiments, a method for implementing parallel communication with multiple service separation is provided, where service type identification is performed for traffic data of different services, so as to implement separation of service traffic. For example, when the data packet is a traffic packet, a service type identifier is added to the packet header according to the source of the traffic (e.g. judging the service from the port information in the data packet), so as to separate the traffic belonging to different services. On the basis, if the network device has a corresponding function, each service type identifier can be corresponding to a different priority or directly defined as a different priority, and the preferential transmission of specific service traffic (such as network sensitive service traffic) can be realized through the accessed network device with a corresponding function (such as a switch with a DSCP function).
Further, in the method for implementing multi-service separation parallel communication provided in some of the above preferred embodiments, other nodes corresponding to (service requirements) may be accessed according to the corresponding service requirements in the service virtual network.
The above description is merely an embodiment of the present invention, but the scope of the present invention is not limited thereto.
Claims (8)
1. A multi-service virtual network system, comprising:
a plurality of service virtual networks, wherein the service virtual networks correspond to the communication requirements of different types of services;
a virtual network allocator;
a plurality of shared nodes exist among the service virtual networks;
each service virtual network comprises:
a virtual node accessing the service virtual network and a virtual link connecting them; wherein, the liquid crystal display device comprises a liquid crystal display device,
the virtual nodes comprise virtual switches and non-switch nodes;
the non-exchanger node comprises a shared node which is accessed to the virtual network of the service;
the virtual switch is used for virtual switching when communication is carried out among non-switch nodes in the service virtual network;
the virtual network distributor is respectively coupled with the operating system of the shared node and each service virtual network;
the virtual network distributor provides parallel transmission and flow separation of each service virtual network in a physical network, distributes and controls flow communication belonging to different services;
the virtual network distributor carries out service type identification for the flow data of different services so as to realize the separation of the service flows;
if the network equipment has corresponding functions, the service type identifiers are corresponding to different priorities, so that the preferential transmission of the specific service flow is realized.
2. The multi-service virtual network system of claim 1, wherein,
the virtual network distributor comprises a virtual network controller;
the virtual network controller is respectively coupled with the operation system of the shared node and each service virtual network,
the virtual network controller is used for providing parallel transmission of each accessed service virtual network in a physical network and logical isolation of each service virtual network.
3. The multi-service virtual network system of claim 2, wherein,
the virtual network controller comprises a plurality of groups of virtual network interface controllers;
each group of virtual network interface controllers corresponds to one accessed service virtual network respectively;
wherein, the virtual network interface controller on one side of each group is coupled with the operation system of the shared node, and the virtual network interface controller on the other side is coupled with the corresponding service virtual network interface.
4. The multi-service virtual network system of claim 1, wherein,
the service virtual network comprises other corresponding nodes.
5. A method for realizing multi-service separation parallel communication is characterized in that,
operating a virtual network distributor on a host corresponding to a shared node accessed into a plurality of service virtual networks, wherein the service virtual networks correspond to communication requirements of different types of services;
coupling the virtual network distributor with an operating system of a shared node, and coupling the virtual network distributor with each accessed service virtual network;
the virtual network distributor can provide parallel transmission and flow separation of each accessed service virtual network in a physical network and distribute each service virtual network to corresponding service communication;
service type identification is carried out for the traffic data of different services so as to realize the separation of the traffic flows;
if the network equipment has corresponding functions, the service type identifiers are corresponding to different priorities, so that the preferential transmission of the specific service flow is realized.
6. The method for implementing multi-service split parallel communication of claim 5, wherein,
the virtual network distributor logically isolates each service virtual network through the virtual network controller:
the service virtual networks are respectively coupled with the operating systems of the shared nodes;
the virtual network controller provides parallel transmission of each accessed service virtual network in a physical network and logical isolation of each service virtual network.
7. The method for implementing multi-service split parallel communication of claim 6, wherein,
providing a plurality of groups of virtual network interface controllers;
and the virtual network interface controllers on one side of each group of virtual network interface controllers are coupled with the operating system of the shared node, and the virtual network interface controllers on the other side are coupled with the corresponding service virtual network interfaces.
8. The method for implementing multi-service split parallel communication of claim 5, wherein,
and accessing other corresponding nodes in the service virtual network.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102859926A (en) * | 2010-03-03 | 2013-01-02 | 伊韦伯盖特科技有限公司 | System and method for multiple concurrent virtual networks |
| CN107409066A (en) * | 2015-02-26 | 2017-11-28 | 思科技术公司 | For automatic detection and the system and method for configuration server uplink network interface |
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| US8130641B2 (en) * | 2009-03-13 | 2012-03-06 | Hewlett-Packard Development Company, L.P. | Methods and systems for managing network traffic within a virtual network system |
| US8755377B2 (en) * | 2012-06-06 | 2014-06-17 | Juniper Networks, Inc. | Facilitating operation of one or more virtual networks |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102859926A (en) * | 2010-03-03 | 2013-01-02 | 伊韦伯盖特科技有限公司 | System and method for multiple concurrent virtual networks |
| CN107409066A (en) * | 2015-02-26 | 2017-11-28 | 思科技术公司 | For automatic detection and the system and method for configuration server uplink network interface |
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