2020-03-12T18:40:00Z
MM
Consulting Systems Engineer at a reseller with 1,001-5,000 employees
  • 10
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Does any hyper-converged solution support segment routing?

I work for a VAR and I have a customer who is interested in HCI but one of their requirements is segment routing.  

Segment routing is a forwarding paradigm that provides source routing, which means that the source can define the path that the packet will take. Segment routing still uses MPLS to forward the packets, but the labels are carried by an IGP. In segment routing, every node has a unique identifier called the node SID.

I could not find anything around segment routing and HCI solutions so I was wondering if you were aware of any HCI solutions that supported segment routing?

Thanks! I appreciate the help.

12
PeerSpot user
12 Answers
MS
PreSales Manager at a tech services company with 1-10 employees
User
2020-03-17T17:01:27Z
Mar 17, 2020

An HCI solution with VMware vSAN does not have all the network virtualization features like VMware NSX, it would be necessary to analyze the scope of the service you want to have and combine it with the features offered by the VMware NSX solution.

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Henry A. McKelvey - PeerSpot reviewer
NextGen TV (ATSC 3.0) Systems Engineer at PeerSpot
Real User
2020-03-16T21:23:47Z
Mar 16, 2020

I think that the question of if HCI supports SR is not what you should be asking because it really does not, but SR supports HCI. Let me explain. SR is a network function and HCI is a computer function. Therefore, HCI can use the function of SR to provide faster data transfers for Cloud computing. The HCI virtual systems can use the efficiency of a SR network to deliver data where it needs to go by preselecting the desired path. This could be used to provide remote virtual computing if you can imaging a HCI system functioning on a SR network.

AL
BDM (Technical) at Softprom by ERC
Reseller
Top 20
2020-03-19T22:26:38Z
Mar 19, 2020

It depends. In segment routing node SID can be either a NODE or broadcast segment gateway. If HCI cluster is behind gateway in the L2 switching domain - its easy config and don't need to explain If a few parts are behind a different SID GW - you just have to be sure that all traffic from HCI cluster nodes allowed and they can communicate between in acceptable latency budget (up to 5 ms, faster is better). But you need to know that for storage function latency is critical parameters and if it is more than 2000 ns storage performance can be unacceptable . Multi-cluster configuration can be a case for that dispersed configuration (HQ-ROBO config or MultiCluster in mixed Mine-DR roles).

RT
Head - Operations & Sales at Computer Port IT Solutions
Real User
Top 10
2020-03-18T09:33:21Z
Mar 18, 2020

There is no explicit support in HCI for segment routing- because it is not something that a virtualization platform needs to handle. Segment routing is a set of IP packet extensions that do tag flows and provide a way to handle traffic segmentation;

So, if you need to use HCI for this, you simply need to run an operating system that supports it.

PC
Senior Infrastructure Analyst at a tech services company with 11-50 employees
Real User
2020-03-17T00:01:29Z
Mar 17, 2020

You could use Nutanix with flow for microsegmentation!

TD
Executive Vice President of Sales with 201-500 employees
User
2020-03-16T21:07:11Z
Mar 16, 2020

Yes, our BPaaS technology supports hyperconvergence on Dell VxRail.

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SL
System Administrator at Superior Water And Air
Real User
2020-03-16T16:33:25Z
Mar 16, 2020

Hi Mike, I have consulted with an individual that is very knowledgeable and works in this industry. His answer to me was that he was not aware of any HCI solution that has this capability. Sorry.

Farhan Parkar - PeerSpot reviewer
Product Consultant (Presales) at a tech services company with 201-500 employees
Real User
2020-03-16T15:44:20Z
Mar 16, 2020

I think the question is not relevant to the HCI in general, MPLS or IGP is not applicable by HCI but large networks, HCI is going to converge your computer and storage and simplify the management aspect. In every HCI offerings, every node in a single cluster should be in the single broadcast domain, so routing is not applicable here. I would suggest if you ask for a specific use case or bussiness case scenario people will be able to understand and guide properly.

TW
Solutions Architect/Team Lead - Business Data and Data Protection at a tech consulting company with 501-1,000 employees
Real User
2020-03-16T14:27:36Z
Mar 16, 2020

Does VMware support segment routing? If so, HCI supports it. This isn't a storage issue, it's a VM/network issue so support will be purely upon the hypervisor.

If you need to know if AHV or Hyper-V support it, I sadly don't have any resources.

TR
System Engineer at a tech services company with 11-50 employees
Real User
2020-03-16T07:33:04Z
Mar 16, 2020

I would like to point to a combination of cisco's solutions, HypeFlex, ACI, etc...
https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/UCS_CVDs/hx_30_vsi_aci_32.html

JV
Lead for AIX at a tech services company with 1-10 employees
Real User
2020-03-16T04:56:46Z
Mar 16, 2020

You might want to check the advanced networking and security of Nutanix called Nutanix Flow, and Sangfor's NGAF.

KM
CSO at sunlight
Vendor
2020-04-09T15:23:04Z
Apr 9, 2020

You might want to take a look at Sunlight.io's HCI stack. Sunlight is a very-high performance HCI stack, designed to deliver near-bare-metal performance for fast networking and NVMe storage.

Segment routing (SR) is fully supported on Sunlight. SR is built as an IPv6 header extension to enable the source host to send a forwarding list of Layer 3 endpoints to guide a packet through the network. The first hop is handled as a normal ethernet + IPv6 packet and will be forwarded to the first hop SR-enabled destination. On the Sunlight cluster you would configure a normal direct connected ethernet segment or a VLAN network segment and attach the virtual machine VIF to that network. It would be advised to configure an external IP address allocation so that the IPv6 address can be managed via an external DHCP service. Within the VM guest (assumed to be some flavour of Linux) it would be necessary to configure a custom kernel with SR support.

[Note - I work for Sunlight.io]

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