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From Krishna PMV <krishna....@gmail.com>
Subject CS evaluation - newbie questions
Date Mon, 07 Jan 2013 11:38:19 GMT
Hey All,

I'm evaluating Cloud stack for a new product where we want to provide
virtual instances on the cloud with the requirements as that of a
"dedicated" physical server.

Some of the goals/features along with my research so far. Can you please
correct if any of the below are wrong?

- Ability to choose custom OS - I see its Available

- provisioned iops[1] - Not possible to guarantee QoS per tenant but it
seems can be constrained by Cluster with tiered storage

- support for multiple ips[2] - Possible though CS won't manage but just
tracks it

- ability for the customer to specify hostname - not possible?[3] ( Did I
miss anything else that is very obviously applicable for physical dedicated
servers and not straight forward to implement via CS ? :)

- Guest isolation ( either at L2/L3) but I don't want to deal with 4k Vlan
limitations and SDNs to start with.

This leaves me to choose one of the below options in basic/advanced mode of
networking

Basic Networking :

1. Guest network on public network - will there be any problems if I just
have guest network using public Ips? I can deal with guest isolation via
security groups.

2. Use EIP to acquire public ips - Any free implementations of EIP?

Though I strongly want to go for basic networking as I don't have any plans
to offer any more networking offering for my use case ( i.e., dedicated
servers), assume I choose advanced networking, I see these are the options:

Advanced Networking:

1. define zone wide vlan

2. Guest isolation via security groups? Possible? [4]


[1] similar to aws :
http://aws.amazon.com/about-aws/whats-new/2012/07/31/announcing-provisioned-iops-for-amazon-ebs/

[2]
https://cwiki.apache.org/confluence/display/CLOUDSTACK/Multiple+IP+address+per+NIC

[3] https://issues.apache.org/jira/browse/CLOUDSTACK-319

[4] https://issues.apache.org/jira/browse/CLOUDSTACK-737



Thanks a bunch in advance.

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