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Would like to share the introduction series of VxLAN to you--VxLan overview Highlighted

Latest reply: Oct 30, 2018 08:25:09 1540 16 16 0
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Traditional Data Center Architecture：
In traditional datacenters, a Layer 2 network can only extend to access or aggregation switches,and virtual machines (VMs) can only migrate within a Layer 2 domain. If VMsneed to migrate to another Layer 2 domain, the VMs' IP addresses must bechanged, and services will be interrupted during VM migration.

Next-Generation Data CenterArchitecture：
In the cloud computingera, IDC carriers require VM migration within a larger domain to better utilizedata center resources.
Because a large amount ofeast-west traffic needs to be transmitted between servers, non-blockingforwarding is required to fully use network link resources.


Data Center Development Trend:
Traditional Layer 2technologies such as Spanning Tree Protocol (STP), cluster switch system(CSS)+intelligent stacking (iStack) are not suitable for building large Layer 2networks. VXLAN supports flat fat tree networking and can be used to constructlarge Layer 2 networks with high bandwidth utilization.
 

 



 

 
  This post was last edited by NoOneNoWhere at 2018-10-18 07:15.

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Finn92
Created Oct 18, 2018 07:51:26 Helpful(0) Helpful(0)

VXLAN is the new technology , we need learn about it for further development .

Traditional Layer 2technologies such as Spanning Tree Protocol (STP), cluster switch system(CSS)+intelligent stacking (iStack) are not suitable for building large Layer 2networks. VXLAN supports flat fat tree networking and can be used to constructlarge Layer 2 networks with high bandwidth utilization.

This post was last edited by Finn92 at 2018-10-31 08:28.
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Barret
Created Oct 18, 2018 08:06:10 Helpful(0) Helpful(0)

This is a good case, it simply and clearly describe the different between traditional data center architecture and next-generation data center architecture. And introduced the data center development trend. And it make the views better understood by using graphical comparisons. Thank you for your sharing.
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faysalji
Created Oct 18, 2018 08:59:26 Helpful(0) Helpful(0)

Thanks.....
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If you think my post/reply is useful, please click the Helpful button and flag my post as a BEST ANSWER. Thanks
SupperRobin
Created Oct 18, 2018 09:19:43 Helpful(0) Helpful(0)

Distributed VXLAN gateway networking has the following characteristics:
    Flexible deployment. A leaf node can function as both Layer 2 and Layer 3 VXLAN gateways.
    Improved network expansion capabilities. A leaf node only needs to learn the ARP entries of servers attached to it. A centralized Layer 3 gateway in the same scenario, however, has to learn the ARP entries of all servers on the network. Therefore, the ARP entry specification is no longer a bottleneck on a distributed VXLAN gateway. This post was last edited by SupperRobin at 2018-10-31 06:59.
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Skay
Created Oct 18, 2018 10:53:24 Helpful(0) Helpful(0)

Thanks for your sharing , this part is good explain.

In the cloud computingera, IDC carriers require VM migration within a larger domain to better utilizedata center resources.

Because a large amount ofeast-west traffic needs to be transmitted between servers, non-blockingforwarding is required to fully use network link resources.
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littlestone
Created Oct 18, 2018 10:55:10 Helpful(1) Helpful(1)

its so great

In the cloud computingera, IDC carriers require VM migration within a larger domain to better utilizedata center resources.

Because a large amount ofeast-west traffic needs to be transmitted between servers, non-blockingforwarding is required to fully use network link resources.

And now i can easy to check the Vxlan if i face any issue about this.before this i aways do not know how to deal with them,and wasted a lot of time to serch this.Thanks agin for you selfless Sharing, Hope you can aways work like this
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wissal
MVE Created Oct 18, 2018 17:11:50 Helpful(0) Helpful(0)

nice work, thanks
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I%20would%20like%20to%20share%20with%20you%20my%20experience%2C%20I'm%20telecommunications%20engineer%2C%20currently%20senior%20project%20manager%20at%20an%20operator%2C%20partner%20of%20Huawei%2C%20in%20the%20radio%20access%20network%20department%2C%20for%2020%20years%20I%20managed%20several%20types%20of%20projects%2C%20for%20the%20different%20nodes%20of%20the%20network.%3Cbr%2F%3EAt%20the%20same%20time%2C%20I%20give%20courses%20in%20universities%20as%20a%20temporary%2C%20to%20bring%20the%20operational%20side%20of%20telecommunication%20technologies%20to%20students%2C%20for%20network%20supervision%20systems%2C%20mobile%20radio%20networks%20and%20access%20networks%20et
Torrent
Created Oct 19, 2018 01:00:59 Helpful(1) Helpful(1)

This is a good case, it simply and clearly describe the different between traditional data center architecture and next-generation data center architecture.
In traditional datacenters, a Layer 2 network can only extend to access or aggregation switches,and virtual machines (VMs) can only migrate within a Layer 2 domain. If VMsneed to migrate to another Layer 2 domain, the VMs' IP addresses must bechanged, and services will be interrupted during VM migration
Hope you can go on sharing that good case.
This post was last edited by Torrent at 2018-10-22 05:42.
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No.9527
Created Oct 19, 2018 03:28:14 Helpful(0) Helpful(0)

VXLAN quality of service (QoS) provides differentiated service in VXLAN applications. A device implements mapping between QoS priorities in original packets, internal priorities (local precedence assigned by the device to differentiate service classes of packets), and priorities of encapsulated packets. In this way, the switch provides the differentiated QoS service based on original packets. This post was last edited by No.9527 at 2018-10-31 07:04.
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