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1. 发明授权

US08660129B1 Fully distributed routing over a user-configured on-demand virtual network for infrastructure-as-a-service (IaaS) on hybrid cloud networks 有权
标题翻译：通过用户配置的按需虚拟网络在混合云网络上进行基础设施即服务（IaaS）的全面分布式路由
公开(公告)号：US08660129B1
公开(公告)日：2014-02-25
申请号：US13365245
申请日：2012-02-02
申请人： Juergen Brendel , Christopher C. Marino , Patrick Amor , Pritesh Kothari
发明人： Juergen Brendel , Christopher C. Marino , Patrick Amor , Pritesh Kothari
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/22 , H04L12/4641 , H04L45/54 , H04L45/586 , H04L49/70
摘要： A layer-3 virtual router connects two or more virtual networks. Virtual networks are overlaid upon physical networks. Each virtual network (VN) is a layer-2 network that appears to expand an organization's LAN using virtual MAC addresses. The network stack forms a virtual-network packet with a virtual gateway MAC address of the virtual router to reach a remote virtual network. A VN device driver shim intercepts packets and their virtual MAC and IP addresses and encapsulates them with physical packets sent over the Internet. A VN switch table is expanded to include entries for nodes on the remote virtual network so that all nodes on both virtual networks are accessible. A copy of the VN switch table is stored on each node by a virtual network management daemon on the node. A Time-To-Live field in the virtual-network packet is decremented for each virtual hop and a checksum recalculated.
摘要翻译：三层虚拟路由器连接两个或多个虚拟网络。虚拟网络覆盖在物理网络上。每个虚拟网络（VN）是第二层网络，似乎可以使用虚拟MAC地址扩展组织的LAN。网络堆栈形成具有虚拟路由器的虚拟网关MAC地址的虚拟网络分组，以到达远程虚拟网络。 VN设备驱动器垫片拦截数据包及其虚拟MAC和IP地址，并通过Internet发送的物理数据包进行封装。 VN交换机表扩展为包括远程虚拟网络上的节点的条目，以便两个虚拟网络上的所有节点都可访问。 VN交换机表的副本由节点上的虚拟网络管理守护程序存储在每个节点上。虚拟网络分组中的“实时生存”字段对于每个虚拟跳点递减，并重新计算校验和。

2. 发明授权

US09154327B1 User-configured on-demand virtual layer-2 network for infrastructure-as-a-service (IaaS) on a hybrid cloud network 有权
标题翻译：用户配置的按需虚拟二层网络，用于混合云网络上的基础设施即服务（IaaS）
公开(公告)号：US09154327B1
公开(公告)日：2015-10-06
申请号：US13117986
申请日：2011-05-27
申请人： Christopher C. Marino , Juergen Brendel , Patrick Amor , Pritesh Kothari
发明人： Christopher C. Marino , Juergen Brendel , Patrick Amor , Pritesh Kothari
IPC分类号： G06Q30/04 , H04L12/46 , H04L12/741 , H04L29/06
CPC分类号： H04L41/0813 , G06Q30/04 , H04L12/4641 , H04L45/586 , H04L45/64 , H04L45/66 , H04L45/74 , H04L49/70 , H04L63/0485 , H04L67/12 , H04L69/22 , H04L69/321
摘要： A virtual network is overlaid upon physical networks. The virtual network is a layer-2 network that appears to expand an organization's LAN using virtual MAC addresses. A VN device driver shim intercepts LAN packets and their virtual MAC and IP addresses and encapsulates them with physical packets that can be routed over the Internet. As new nodes are created, a VN switch table is expanded so that all nodes on the virtual network can reach the new node. A copy of the VN switch table is stored on each node by a virtual network management daemon on the node. A VN configuration controller in a central server updates the VN switch tables. Organizations can expand their virtual network as nodes are created at remote cloud computing providers without action by the staff at the cloud computing provider. Hybrid cloud virtual networks include on-premises physical and virtual-machine nodes, and off-premises guest nodes and instances.
摘要翻译：虚拟网络覆盖在物理网络上。虚拟网络是一个第二层网络，似乎可以使用虚拟MAC地址扩展组织的LAN。 VN设备驱动程序垫片拦截LAN数据包及其虚拟MAC和IP地址，并使用可通过Internet路由的物理数据包进行封装。当创建新节点时，将展开VN交换机表，以使虚拟网络上的所有节点都能到达新节点。 VN交换机表的副本由节点上的虚拟网络管理守护程序存储在每个节点上。中央服务器中的VN配置控制器更新VN交换机表。组织可以扩展其虚拟网络，因为节点是在远程云计算提供商创建的，而不受云计算提供商的工作人员的操作。混合云虚拟网络包括本地物理和虚拟机节点，以及本地外访客节点和实例。

3. 发明授权

US5774660A World-wide-web server with delayed resource-binding for resource-based load balancing on a distributed resource multi-node network 失效
标题翻译：在分布式资源多节点网络上具有延迟资源绑定功能的资源负载平衡的全球网络服务器
公开(公告)号：US5774660A
公开(公告)日：1998-06-30
申请号：US691006
申请日：1996-08-05
申请人： Juergen Brendel , Charles J. Kring , Zaide Liu , Christopher C. Marino
发明人： Juergen Brendel , Charles J. Kring , Zaide Liu , Christopher C. Marino
IPC分类号： H04L29/06 , H04L29/08 , H04L29/12 , H04L29/14 , G06F13/00 , G06F17/30
CPC分类号： H04L29/06 , H04L29/12009 , H04L29/1233 , H04L29/12594 , H04L61/25 , H04L61/301 , H04L67/1014 , H04L67/1038 , H04L67/1095 , H04L69/161 , H04L69/163 , H04L69/40 , G06F2209/462 , H04L2029/06054 , H04L67/1002 , H04L67/1034 , H04L67/42 , H04L69/16 , H04L69/329
摘要： A multi-node server transmits world-wide-web pages to network-based browser clients. A load balancer receives all requests from clients because they use a virtual address for the entire site. The load balancer makes a connection with the client and waits for the URL from the client. The URL specifies the requested resource. The load balancer waits to perform load balancing until after the location of the requested resource is known. The connection and URL request are passed from the load balancer to a second node having the requested resource. The load balancer re-plays the initial connection packet sequence to the second node, but modifies the address to that for the second node. The network software is modified to generate the physical network address of the second node, but then changes the destination address back to the virtual address. The second node transmits the requested resource directly to the client, with the virtual address as its source. Since all requests are first received by the load balancer which determines the physical location of the requested resource, nodes may contain different resources. The entire contents of the web site is not mirrored onto all nodes. Network bottlenecks are avoided since the nodes transmit the large files back to the client directly, bypassing the load balancer. Client browsers can cache the virtual address, even though different nodes with different physical addresses service requests.
摘要翻译：多节点服务器将世界范围的网页传输到基于网络的浏览器客户端。负载平衡器从客户端接收所有请求，因为它们为整个站点使用虚拟地址。负载平衡器与客户端建立连接，并等待客户端的URL。 URL指定请求的资源。负载平衡器等待执行负载平衡，直到所请求资源的位置被知道为止。连接和URL请求从负载均衡器传递到具有所请求资源的第二节点。负载平衡器将初始连接包序列重新播放到第二个节点，但是将地址修改为第二个节点的地址。修改网络软件以生成第二个节点的物理网络地址，然后将目标地址更改回虚拟地址。第二节点将请求的资源直接发送到客户端，虚拟地址作为其源。由于所有请求首先由确定所请求资源的物理位置的负载均衡器接收，所以节点可以包含不同的资源。网站的所有内容都不会镜像到所有节点上。网络瓶颈是避免的，因为节点通过负载均衡器直接将大型文件传送回客户端。客户端浏览器可以缓存虚拟地址，即使具有不同物理地址服务请求的不同节点也是如此。

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