The 2022 IT Salary & Skills Survey is now open, and you can participate!<\/strong> <\/span><\/p>

This survey is one of the largest studies of IT salary, skills, and certifications. It\u2019s the backbone of Skillsoft\u2019s annual IT Skills and Salary Report, which shares detailed insights on skills and certifications, compensation, skills gaps and challenges, and more for IT professionals at every stage of their career.<\/span><\/p>

The survey typically takes 10-15 minutes to complete. You can bookmark your progress and pick up where you left off within one week of starting the survey. It\u2019s also completely anonymous. Skillsoft doesn\u2019t sell the data or share it with others.\u00a0<\/p>

Participating in the survey is a great way to share how Nutanix certification and training has impacted your career. <\/span>Plus, anyone who completes the survey can enter to win a $100 gift card! <\/em><\/p>

Take the survey today!<\/strong><\/a><\/h3>

\u00a0<\/p>

This article was written by Karlie Beil, Customer Marketing Specialist.\u00a0<\/p><\/div><\/div><\/div><\/div><\/div><\/section>

\u00a0<\/p>

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The 2022 IT Salary & Skills Survey is now open, and you can participate!<\/strong> <\/span><\/p>

This survey is one of the largest studies of IT salary, skills, and certifications. It\u2019s the backbone of Skillsoft\u2019s annual IT Skills and Salary Report, which shares detailed insights on skills and certifications, compensation, skills gaps and challenges, and more for IT professionals at every stage of their career.<\/span><\/p>

The survey typically takes 10-15 minutes to complete. You can bookmark your progress and pick up where you left off within one week of starting the survey. It\u2019s also completely anonymous. Skillsoft doesn\u2019t sell the data or share it with others.\u00a0<\/p>

Participating in the survey is a great way to share how Nutanix certification and training has impacted your career. <\/span>Plus, anyone who completes the survey can enter to win a $100 gift card! <\/em><\/p>

Take the survey today!<\/strong><\/a><\/h3>

\u00a0<\/p>

This article was written by Karlie Beil, Customer Marketing Specialist.\u00a0<\/p><\/div><\/div><\/div><\/div><\/div><\/section>

\u00a0<\/p>

\u00a9\ufe0f\ufe0f\ufe0f\ufe0f\ufe0f\ufe0f 2022 Nutanix, Inc. \u00a0All rights reserved. Nutanix, the Nutanix logo and all Nutanix product, feature and service names mentioned herein are registered trademarks or trademarks of Nutanix, Inc. in the United States and other countries. Other brand names mentioned herein are for identification purposes only and may be the trademarks of their respective holder(s). This post may contain links to external websites that are not part of Nutanix.com. Nutanix does not control these sites and disclaims all responsibility for the content or accuracy of any external site. Our decision to link to an external site should not be considered an endorsement of any content on such a site. This post may contain express and implied forward-looking statements, which are not historical facts and are instead based on our current expectations, estimates and beliefs. The accuracy of such statements involves risks and uncertainties and depends upon future events, including those that may be beyond our control, and actual results may differ materially and adversely from those anticipated or implied by such statements. Any forward-looking statements included herein speak only as of the date hereof and, except as required by law, we assume no obligation to update or otherwise revise any of such forward-looking statements to reflect subsequent events or circumstances.<\/p>","url":"\/education-blog-153\/add-your-voice-to-the-it-skills-and-salary-survey-40862?postid=61075#post61075","creationDate":"2022-05-12T20:00:15+0000","relativeCreationDate":"1 month ago"},"contentType":"article","type":3,"likes":1,"hasCurrentUserLiked":false},"phrases":{"Forum":{"{n} year|{n} years":"{n} year|{n} years","{n} month|{n} months":"{n} month|{n} months","{n} day|{n} days":"{n} day|{n} days","{n} hour|{n} hours":"{n} hour|{n} hours","{n} minute|{n} minutes":"{n} minute|{n} minutes","just":"just now","{plural} ago":"{plural} ago"}}}">

网络细分基础知识

  • 2020年9月29日
  • 0答复
  • 2261意见
sateesh
秩
Userlevel 1
徽章 +1

客观的：

在不同种类的CVM流量之间创建虚拟/物理分离。每种类型的流量都可以在不同的VLAN（虚拟）或完全不同的物理开关上。不同类型的CVM流量是：

  1. 管理：PRISM，SSH，RSYSLOG，SNMP，PE-PC等。任何需要默认网关的通信。
  2. 背板：主要是CVM↔️群集服务之间发生的CVM通信。主持人↔️主持人和主持人↔️CVM流量也属于此类别。
  3. 服务：这是用户定义的流量类型，在其中他可以选择一个特定的AOS功能，该功能可以从其他流量类型中分离出来。
  4. RDMA：这是一种服务流量，但仅限于星际之门服务。

解决方案摘要：

实现这些分离的方法是为每种流量类型上的CVM上创建一个新接口（VNIC）。默认情况下，所有流量类型都通过管理接口（ETH0）进行，用户可以决定一次将其他流量类型分割为一个新的CVM接口。RDMA是一种特殊的分割类型，不包含任何VNIC，而是我们将物理NIC从Hyprovisor传递到CVM，而Stargate可以直接消耗以远程存储器访问。始终创建背板接口（ETH2）作为基础部署的一部分，但没有使用任何IP，直到用户决定启用背板细分为止。当用户触发适当的操作时，创建并配置了服务细分的接口。以下是整个网络分割的流，可以将其钻入特定类型的网络分割状态计算机。

NS 1.0-逻辑背板细分

发行AOS 5.5，这仅包含限于基于VLAN的分离的背板流量类型的分离。用户没有任何选择来为背板接口选择基础网络，我们只是在管理程序上使用默认管理VSWITCHES。唯一的分离是为属于背板类别的数据包标记VLAN ID。

NS 2.0-服务细分

发行AOS 5.11，此壮举包含特定用户定义功能的细分。到目前为止，我们只有卷和DR功能的细分。这既包含基于VLAN的基于VLAN，又包含物理分割。对于客户5.11，仅由卷细分组成，DR细分在5.12中发布。

NS 2.1-物理背板细分

发行AOS 5.11.1，这项壮举使背景网络自定义可用于背板，因此允许用户物理细分其背板流量。这项壮举还增加了对基于DVS的网络的支持，用于背板和服务。

Objective:<\/h2>

Create a virtual\/physical separation between different kinds of CVM traffic. Each type of traffic can be on different vLANs (virtual) or a completely different physical switch. Different type of CVM traffic are:<\/p>

  1. Management<\/strong>: Prism, SSH, Rsyslog, SNMP, PE-PC etc. Any communication that requires the default gateway.<\/li>\t
  2. Backplane<\/strong>: Mainly CVM\u00a0\"\u2194\ufe0f\" CVM communication that happens between cluster services. Host\u00a0\"\u2194\ufe0f\" Host and Host\u00a0\"\u2194\ufe0f\" CVM traffic also comes under this category.<\/li>\t
  3. Service<\/strong>: This is a user defined traffic type where-in he can choose a particular AOS feature to be separated out of other traffic types.<\/li>\t
  4. RDMA<\/strong>: This is a type of Service traffic but only limited to Stargate service.<\/li><\/ol>

    Solution Summary:<\/h2>

    The way to achieve these separations is by creating a new interface (vNIC) on CVMs for each traffic type. By default all the traffic types happen over management interface (eth0) and user can decide to segment other traffic types to new CVM interfaces one at a time. RDMA is a special segmentation type which does not consist of any vNICs, instead we passthrough a physical NIC from hypervisor onto the CVMs which Stargate can directly consume for remote memory access. Backplane interface (eth2) is always created as part of deployment by foundation but is unused without any IP until the user decides to enable Backplane Segmentation. Interfaces for Service segmentation are created and configured runtime when user triggers the appropriate operation. Below is the flow of Network Segmentation as a whole which can be drilled down into specific type of Network Segmentation's state machine.<\/p>

    NS 1.0 - Logical Backplane Segmentation<\/h3>

    Released in\u00a0AOS 5.5<\/strong>, this only contains separation of Backplane traffic type which is limited to vLAN based separation. User did not have any option to select an underlying network for backplane interfaces and we simply used the default management vSwitches on the hypervisors. Only separation is by tagging a vLAN ID for packets belonging to backplane category.<\/p>

    NS 2.0 - Service Segmentation<\/h3>

    Released\u00a0AOS 5.11<\/strong>, this FEAT contains segmentation of specific user defined feature. We only have Volumes & DR feature based segmentation as of now. This contains both vLAN based as well as physical segmentation. For customers 5.11 only consisted of Volumes segmentation and DR segmentation was released in 5.12.<\/p>

    NS 2.1 - Physical Backplane Segmentation<\/h3>

    Released in\u00a0AOS 5.11.1<\/strong>, this FEAT made the backing network customization available for Backplane hence allowing users to segment their Backplane traffic physically. This FEAT also added support for DVS based networks for both Backplane and Service.<\/p>","quoteUsername":"Sateesh","translations":{"Common":{"like":"Like","unlike":"Unlike"},"Forum":{"Quote":"Quote","Share":"Share"}}}">

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