CN109952744B - 云网络中提供虚拟电路的方法和设备 - Google Patents
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Abstract
网络供应装置包括管理接口和虚拟电路构造器,该管理接口用于实例化虚拟电路定义以通信地联接网络结构中的一组端点装置。虚拟电路构造器将虚拟电路定义转换为2层设置命令,选择连接到端点装置的网络节点的目标组,以及将2层设置命令发送到网络节点的目标组。在网络节点的目标组中的VXLAN虚拟电路供应设施建立VXLAN电路以通信地联接端点装置。
Description
相关申请的交叉引用
本申请要求于2016年9月26日提交的美国临时申请62/400,065的优先权。该美国临时申请和所有其他外来引用通过引用整体并入本文。
技术领域
本公开的领域总体涉及云网络,并且更特别地,涉及在云网络中提供虚拟电路的方法和设备。
背景技术
背景描述包括可以用于理解本发明的信息。这并不是承认本文提供的任何信息是现有技术或与目前要求保护的发明相关,或者明确或隐含地引用的任何出版物是现有技术。
云计算平台通过以相对低的成本提供灵活的需求资源而变得越来越受到客户和消费者的欢迎。云计算网络(也称为分布式计算网络)使得客户端能够通过从服务提供商动态租赁计算资源和相关联的网络资源来管理基于网络的应用和/或数据资源。这些基于网络的应用和/或数据资源可以由客户端的用户、与客户端相关联的个人和/或由客户端使用。计算资源和其他资源的这种动态租赁产生了分布式计算网络的外观和功能,并且因此可以被称为计算机网络的虚拟化。云计算平台采用存储和计算资源的虚拟化。因此,可以由向客户端分配额外部分的共享资源的服务提供商根据需要在短时间段内快速地添加提供给客户的新资源。另外地,云计算中的虚拟化使得服务提供商能够在多个客户端之间动态地复用资源,而无需将各个物理资源专用于每个客户端。
发明内容
本发明主题提供了在网络中供应虚拟可扩展LAN(VXLAN,Virtual ExtensibleLAN)电路的设备、系统和方法。
在示例性实施例中,网络供应装置包括管理接口和虚拟电路构造器,该管理接口用于实例化虚拟电路定义以通信地联接网络结构中的一组端点装置。虚拟电路构造器将虚拟电路定义转换为2层设置命令,选择连接到端点装置的网络节点的目标组,以及将2层设置命令发送到网络节点的目标组。网络节点的目标组中的VXLAN虚拟电路供应设施建立VXLAN电路以通信地联接端点装置。
提出了一种供应网络结构的方法。响应于来自管理接口的输入,实例化虚拟电路定义以提供虚拟电路,该虚拟电路通信地联接网络结构中的多个目标端点装置。选择联接到目标端点装置的节点的目标组。将虚拟电路定义转换为2 层设置命令,该2层设置命令可能被封装在UDP数据报内。将该2层设置命令发送到节点的目标组,以使节点的目标组中的VXLAN虚拟电路供应设施在目标端点装置之间建立VXLAN电路。
管理接口可以使得云网络中的消费者能够控制虚拟电路供应。管理接口可以包括使得消费者能够执行以下操作的控件:配置虚拟电路、执行故障排除、测量流量、选择服务质量、提供MAC过滤和/或配置数据包过滤。
根据以下详细描述以及附图,本发明主题的各种目的、特征、方面和优点将变得更加显而易见,在附图中相同的附图标记表示相同的部件。
附图说明
在以下描述中,参考以下附图描述了各个方面,在附图中:
图1描绘了可以根据本公开的方面配置的示例网络结构。
图2是根据本公开的一些方面的网络供应系统的框图。
图3、图4、图5A和图5B是描绘根据本公开的方面配置的示例性方法的流程图。
具体实施方式
应当注意的是,用于计算机的任何语言应当被理解为包括以下计算装置的任何合适的组合,该计算装置包括服务器、接口、系统、数据库、代理装置、对等装置、引擎、模块、控制器或单独操作或共同操作的其他类型的计算装置。应当理解,计算装置包括处理器,该处理器被配置为执行存储在有形的非暂时性计算机可读存储介质(例如,硬盘驱动器、固态驱动器、RAM、闪存、ROM 等)上的软件指令。如下面关于所公开的设备所讨论的,软件指令优选地配置计算装置以提供角色、职责或其他功能。在示例性实施例中,各种服务器、系统、数据库或接口使用标准化协议或算法,可能基于HTTP、HTTPS、AES、公钥-私钥交换、网络服务API、已知的金融交易协议或其他电子信息交换方法来交换数据。优选地,数据交换通过分组交换网络、因特网、LAN、WAN、VPN 或其他类型的分组交换网络进行。
以下讨论提供了本发明主题的许多示例实施例。虽然每个实施例代表发明元件的单个组合,但是本发明主题被认为包括所公开的元件的所有可能的组合。因此,如果一个实施例包括元件A、元件B和元件C,并且第二实施例包括元件B和元件D,则即使本发明主题未明确公开,本发明主题也被认为包括A、 B、C或D的其他剩余组合。
如本文所使用的,除非上下文另有指示,否则术语“联接到”旨在包括直接联接(其中彼此联接的两个元件彼此相接触)以及间接联接(其中至少一个附加元件设置在两个元件之间)。因此,术语“联接到”和“与......联接”同义地使用。
本文所使用的词语“示例性”是指“用作示例、实例或说明”。本文中描述为“示例性”的任何方面不必被解释为比其他实施例优选或有利。
图1描绘了作为分布式网络结构的示例网络结构100,该网络结构100包括多个网络节点120(例如,节点120A到节点120L),其中,结构100可以跨越地理距离。示例网络节点120可以包括可能由思科(Cisco)、瞻博(Juniper) 或其他交换机提供商提供的网络交换机。此外,网络节点可以包括路由器、接入点、无线装置、集线器、多宿主计算机或能够路由网络流量的其他类型的计算装置。结构100为装置110(例如,装置110A到装置110B)中的一个或多个提供结构资源(例如,通信、存储、计算等)。因此,装置110A可以通过节点120协调与装置110B的活动或其他通信。本文公开的方面可以在诸如在美国专利No.9,363,204、美国专利No.7,548,545以及美国专利No.7,599,314中所描述的网络结构之类的网络结构中实施,这些美国专利通过引用整体并入本文。
图2描绘了根据本公开的一些方面的网络供应系统。示出了多个联网节点 200.1至200.M,该多个网络节点可以经由网络结构(未示出)通信地联接。例如,节点200.1包括物理端口201.1至201.N、节点处理器202、非暂时性计算机可读节点存储器203以及虚拟可扩展LAN(VXLAN)虚拟电路供应设施204。节点200.N包括物理端口211.1至211.N、节点处理器212、非暂时性计算机可读节点存储器213以及VXLAN虚拟电路供应设施214。节点200.1至200.M可以包括交换机、路由器、网关、接入点和集线器中的至少一个。
VXLAN虚拟电路供应设施204中的处理器202执行存储在非暂时性计算机可读存储器203中的指令,以为与物理端口201.1至201.N中的至少一个联接的端点装置(未示出)供应VXLAN虚拟电路。VXLAN是一种网络虚拟化技术,该技术可以缓解与大型云计算部署相关的可扩展性问题。该技术使用类似VLAN的封装技术,使用4789作为默认的IANA分配的目的UDP端口号,在4层UDP数据包中封装基于MAC的OSI二层以太网帧。IETF在RFC 7348(https://tools.ietf.org/html/rfc7348)中记录了VXLAN,该RFC 7348通过引用整体并入本文。
网络供应系统还包括网络供应装置220,该网络供应装置220可以包括管理接口221和虚拟电路构造器222。管理接口221通信地联接到网络结构(未示出)。管理接口221使得在存储器中实例化虚拟电路定义,该虚拟电路被配置为联接到网络节点中的至少一些的一组端点。在本公开的一些方面,虚拟电路构造器222可以被配置为执行图3中描绘的方法。
根据一些方面,虚拟电路构造器222被配置为将虚拟电路定义转换301为 2层设置命令(Layer-2 provisioning commands),从具有目标端点的多个网络节点200.1至200.M中识别302节点的目标组,将2层设置命令发送303到节点的目标组中的每个节点,以及实例化304VXLAN虚拟电路对象。步骤304可以包括使节点的目标组的VXLAN虚拟电路供应设施在端点装置之间建立 VXLAN电路,所述端点装置联接到节点的目标组中的至少一些节点。VXLAN 电路可以表示为网络供应装置的存储器中的VXLAN虚拟电路对象。
应当理解的是,在本公开中描绘的流程图中示出的步骤可以以不同的顺序同时实施,和/或可以包括诸如根据本文描述的技术的附加步骤。本文描述的装置,诸如网络供应装置220(或该网络供应装置220的部件221和部件222中的一个或多个)可以包括至少一个非暂时性计算机可读介质,所述至少一个非暂时性计算机可读介质存储被配置为执行附图中所示的步骤的指令。网络供应装置220(或该网络供应装置220的部件221和部件222中的一个或多个)可以包括至少一个处理器,所述至少一个处理器可配置为执行存储在至少一个非暂时性计算机可读介质中的指令。
在一些方面,图3中所示出的步骤可以以不同的顺序执行。通过示例而非限制的方式,虚拟电路构造器222可以被配置为从通信地联接到目标端点的多个网络节点200.1-200.M中识别302节点的目标组,将虚拟电路定义转换301 为第层设置命令,将2层设置命令发送303到节点的目标组中的每个节点,以及实例化304VXLAN虚拟电路对象。
在一些方面,管理接口222包括网络接口、GUI、API和基于网络的API 中的至少一个。API可以包括脚本语言对象表示法(JavaScript Object Notation)、 XML和YAML中的一个。在一些方面,网络供应装置220包括HTTP服务器。网络供应装置220还可以包括存储实例化的VXLAN虚拟电路对象的虚拟电路数据库(未示出)。通过示例而非限制的方式,虚拟电路数据库(未示出)可以被配置为存储至少10,000,000个VXLAN虚拟电路。
在一些方面,虚拟电路构造器221将2层设置命令封装在UDP数据报内。虚拟电路构造器221可以将资源请求数据包发送到多个网络节点。此外,虚拟电路构造器221可以从网络节点中的至少一些接收资源可用性响应数据包。节点的目标组可以包括交换机、路由器、网关、接入点和集线器中的至少一个。
在一些方面,VXLAN VC供应设施204可以包括安装在节点200.1中的卡。在一些方面,VXLAN VC供应设施204可以驻留在节点200.1外部。在一些方面,VXLAN VC供应设施204可以包括虚拟机。
根据本公开的一些方面,每个节点200.1至200.M包括支持VXLAN的供应代理(该供应代理可以包括网络管理引擎),该供应代理包括存储被配置为执行图4中所示出的步骤的指令的至少一个非暂时性计算机可读介质。
根据本公开的一些方面,图4的功能步骤可以以驻留在非暂时性计算机可读介质上的软件指令和根据指令操作的一个或多个处理器的组合来实现。支持 VXLAN的供应代理可以被配置为在一组端点中建立401虚拟电路定义,将虚拟电路定义转换402为2层设置命令,将2层设置命令部署403到每个节点,根据2层设置命令在端点之间构造404VXLAN虚拟电路,以及使得405端点能够经由VXLAN在虚拟电路上交换数据包。上述操作可能涉及将2层设置命令封装到VXLAN数据包中。
图5A是描绘网络供应方法的流程图,该网络供应方法例如可以由网络供应装置220执行。在一些方面,网络供应装置220包括至少一个非暂时性计算机可读介质,该非暂时性计算机可读介质存储被配置为执行图5A中所示出的步骤中的至少一些的指令。
将虚拟电路定义实例化501以提供通信地联接多个目标端点装置的虚拟电路。步骤501可以响应来自诸如管理接口222的管理接口的输入。管理接口222 可以使得云网络中的用户能够控制虚拟电路的供应。管理接口222可以包括以下控件:用于配置虚拟电路的控件、用于对虚拟电路进行故障诊断的控件、用于测量虚拟电路上的流量的控件、用于选择服务质量的控件、用于提供MAC 过滤的控件和/或用于配置数据包过滤的控件。这些控件可以由消费者访问。
在一些方面,网络供应装置220可以将资源请求数据包发送502到网络节点并从该节点接收资源可用性响应数据包。从连接到目标端点装置的节点中选择503节点的目标组。将虚拟电路定义转换504为2层设置命令,该2层设置命令可以采用UDP数据报进行封装505,并且然后将封装后的2层设置命令发送506到节点的目标组,以使得该节点的目标组中的VXLAN虚拟电路供应设施在目标端点装置之间建立507VXLAN电路。
图5B是描绘网络供应方法的流程图,该网络供应方法例如可以由网络节点200.1-200.M执行。在一些方面,网络节点200.1-200.M包括至少一个非暂时性计算机可读介质,该非暂时性计算机可读介质存储被配置为执行图5B中所示出的步骤中的至少一些的指令。
节点可以接收511网络供应装置(例如,装置202)发送的资源请求数据包并且向该网络供应装置发送512资源可用性响应数据包。如果节点被网络供应装置选择作为节点的目标组中的一个,则该节点接收513可能用UDP数据报封装的2层设置命令。节点在目标端点之间构造514VXLAN电路,并且使得 515端点装置能够通过VXLAN电路交换数据包。
对于本领域技术人员应当显而易见的是,在不脱离本文的发明构思的情况下,除了已经描述的那些实施方式之外的更多变型是可能的。因此,除了所附权利要求的精神之外,本发明主题不受限制。此外,在解释说明书和权利要求书时,所有术语应当以与上下文一致的最广泛的方式解释。特别地,术语“包括(comprises)”和“包括(comprising)”应当被解释为以非排他性的方式引用元件、部件或步骤,以指示所引用的元件、部件或步骤可以存在,或利用,或者与未明确引用的其他元件、部件或步骤组合。
Claims (21)
1.一种网络供应系统,包括:
多个网络节点,每个网络节点包括:
一组物理端口;
处理器;
非暂时性计算机可读节点存储器;以及
虚拟可扩展LAN虚拟电路供应设施,被配置为通过所述处理器执行存储在所述非暂时性计算机可读节点存储器中的指令,并且为联接到所述一组物理端口中的至少一个物理端口的至少一个端点装置提供虚拟可扩展LAN虚拟电路;以及
网络供应装置,所述网络供应装置包括:
管理接口,所述管理接口用于实例化虚拟电路的虚拟电路定义,所述虚拟电路通信地联接被联接到所述多个网络节点中的至少一些网络节点的一组端点装置;
虚拟电路构造器,所述虚拟电路构造器被配置为:
将虚拟电路定义转换为2层设置命令;
从具有目标端点装置的所述多个网络节点中选择节点的目标组;
将所述2层设置命令发送到所述节点的目标组中的每个节点;以及
通过执行以下操作来实例化虚拟可扩展LAN虚拟电路对象:使所述节点的目标组的虚拟可扩展LAN虚拟电路供应设施建立虚拟可扩展LAN电路以通信地联接所述目标端点装置。
2.根据权利要求1所述的系统,其中,所述管理接口包括以下中至少一个:web接口、GUI、API和基于web的API。
3.根据权利要求1所述的系统,其中,所述网络供应装置包括HTTP服务器。
4.根据权利要求1所述的系统,其中,所述网络供应装置进一步包括存储所实例化的虚拟可扩展LAN虚拟电路对象的虚拟电路数据库。
5.根据权利要求1所述的系统,其中,所述虚拟电路构造器将所述2层设置命令封装在UDP数据报内。
6.根据权利要求1所述的系统,其中,所述节点的目标组包括以下中至少一个:交换机、路由器、网关、接入点和集线器中的至少一个。
7.根据权利要求1所述的系统,其中,所述虚拟电路构造器将资源请求数据包发送到所述多个网络节点并且从所述多个网络节点中的至少一些网络节点接收资源可用性响应数据包。
8.一种网络供应装置,包括:
管理接口,所述管理接口被配置为实例化虚拟电路定义以提供虚拟电路,所述虚拟电路通信地联接被联接到多个网络节点的多个目标端点装置;以及
虚拟电路构造器,所述虚拟电路构造器被配置为:
将虚拟电路定义转换为2层设置命令;
从联接到所述多个目标端点装置的所述多个网络节点中识别节点的目标组;以及
将所述2层设置命令发送到所述节点的目标组,以在所述多个目标端点装置中建立虚拟可扩展LAN电路。
9.根据权利要求8所述的网络供应装置,其中,所述虚拟电路构造器配置所述节点的目标组的虚拟可扩展LAN虚拟电路供应设施以建立所述虚拟可扩展LAN电路。
10.根据权利要求8所述的网络供应装置,其中,所述管理接口包括消费者用户接口,所述消费者用户接口被配置为使得云网络中的多个消费者中的每一个消费者能够控制虚拟电路的供应。
11.根据权利要求10所述的网络供应装置,其中,所述消费者用户接口包括以下控件中的至少一个:用于配置所述虚拟电路的控件、用于对所述虚拟电路进行故障诊断的控件、用于测量所述虚拟电路上的流量的控件、用于选择服务质量的控件、用于提供MAC过滤的控件以及用于配置数据包过滤的控件。
12.根据权利要求8所述的网络供应装置,其中,所述管理接口包括以下中至少一个:web接口、GUI、API和基于web的API。
13.根据权利要求8所述的网络供应装置,其中,所述网络供应装置包括HTTP服务器。
14.根据权利要求8所述的网络供应装置,其中,所述网络供应装置进一步包括虚拟电路数据库,所述虚拟电路数据库存储表示所述虚拟可扩展LAN电路的实例化的虚拟可扩展LAN虚拟电路对象。
15.根据权利要求8所述的网络供应装置,其中,所述虚拟电路构造器将所述2层设置命令封装在UDP数据报内。
16.根据权利要求8所述的网络供应装置,其中,所述虚拟电路构造器将资源请求数据包发送到所述多个网络节点并且从所述多个网络节点中的至少一些网络节点接收资源可用性响应数据包。
17.一种由网络供应装置执行的方法,其中,在包括所述网络供应装置和多个网络节点的网络中,每个网络节点包括虚拟可扩展LAN虚拟电路供应设施,所述虚拟可扩展LAN虚拟电路供应设施被配置为向与所述每个节点的至少一个物理端口联接的端点装置供应虚拟可扩展LAN虚拟电路,所述方法包括:
响应于来自管理接口的输入,实例化虚拟电路定义以提供虚拟电路,所述虚拟电路通信地联接被联接到所述多个网络节点的多个目标端点装置;
从联接到所述目标端点装置的所述多个网络节点选择节点的目标组;
将所述虚拟电路定义转换为2层设置命令;
将所述2层设置命令发送到所述节点的目标组,以使在所述节点的目标组中的虚拟可扩展LAN虚拟电路供应设施在所述多个目标端点装置之间建立虚拟可扩展LAN电路。
18.根据权利要求17所述的方法,其中,所述管理接口包括消费者用户接口,所述消费者用户接口被配置为使得云网络中的多个消费者中的每一个消费者能够控制虚拟电路的供应。
19.根据权利要求17所述的方法,进一步包括存储表示所述虚拟可扩展LAN电路的实例化的虚拟可扩展LAN虚拟电路对象。
20.根据权利要求17所述的方法,其中,所述发送包括将所述2层设置命令封装在UDP数据报内。
21.根据权利要求17所述的方法,进一步包括将资源请求数据包发送到所述多个网络节点并且从所述多个网络节点中的至少一些网络节点接收资源可用性响应数据包。
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