Archive for February, 2016

High Performance Computing Blog

Posted by Adrien Tibi

If your IP address is suspended, you need to understand why it has happened, what your rights are and how you can resolve it.

How do I know if my IP address been suspended?

If any or all of these are true, and you haven’t received an email already, check your inbox and any spam filters or junk folders for notices of complaints from your webhosting provider. Chances are, your IP address has been suspended.

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Why has my provider suspended my IP?

The simple answer is that your hosting provider has chosen to suspend your IP address because it believes that there is a problem with the IP.

hosting provider is jointly liable for resolving complaints made against content on their network, whether you have a dedicated server or are working in the public cloud. Your terms and conditions with your provider will include an indemnity clause that states that you will have to cover any legal costs they incur as a result of your actions on their network.

Naturally, most providers will want to avoid a legal dispute. So, if they receive complaints about your content or services on the IP, they may decide to stop access to the IP address to prevent legal action being taken.

What might cause a complaint against my IP?

Issues that might lead to a complaint against your IP include:

What will happen and what should I do?

Your hosting provider should alert you to any complaint that has been raised, and give you a reasonable time to respond – unless of course there is a serious threat from the service remaining live.

You should have time to investigate the situation.  It could be that one of your end-users has uploaded a file they shouldn’t have, and that the file can taken down and then the user informed or banned. In cases where you’ve been hacked, you’ll need to patch your server’s vulnerabilities so that they can no longer be exploited.

Whatever the reason for the suspension, your provider should be able to assist you and help restore your services. The key point of resolution is communication – keeping dialogue open between you and your provider will support you in getting your IP address back up and running as quickly as possible.

What is a Bare Metal Cloud?

Posted by Adrien Tibi

A dedicated bare metal cloud allows you to control everything from the infrastructure upwards, without owning or operating the wider public internet or datacentres.

How is a bare metal cloud different from dedicated servers?

dedicated server is just one component of a bare metal cloud.  A dedicated server is a standalone server, with a given specification.  The customer has complete administrative access to the server.

A bare metal cloud represents the whole infrastructure environment – which may include multiple dedicated servers, some of which may in turn be running virtualisation technology. It can also include as proprietary devices such as storage, load balancers, or firewalls.

Ready to deploy on bare metal? Create your free account and start configuring your bare metal servers here.

 

It is often the case that bare metal cloud environments will have customised networking requirements – private connectivity to storage devices using iSCSI or fiberchannel, high throughput and low latency connectivity between servers, as well as a dedicated connection to the public internet.

A bare metal cloud can span multiple datacentres, and can be part of a ‘hybrid cloud’ environment that has both a bare metal cloud and connection to a public cloud – as such Amazon’s AWS or Microsoft’s Azure.

What are the benefits of a bare metal cloud versus the public cloud?

There is no ‘on-size-fits-all’ answer as to when a bare metal cloud is better than a public cloud, as every organisation has different requirements from their hosting platforms. This makes it vital to draw upon expertise to determine how best to architect your solution.

Some aspects of a bare metal cloud can’t be replicated in a public cloud, such as:

It is cheaper than a public cloud environment
There is complete control over the specification of the physical environment, which can be used to fully customise the environment and yield performance gains for the platform. Particularly useful for companies offering software as a service, who can gain a USP over their competitors by customising their environment
There is more predictability and control over costs of the hosting environment
There is more commercial flexibility from dealing with a bare metal cloud provider that is providing a non-productised platform

When is the public cloud better?

Broadly speaking, public cloud trumps bare metal when:

Can I have both?

Absolutely.  A number of organisations, large and small, are running a hybrid environment. Hybrid solutions can cater for the ad hoc nature of a development platform in the public cloud, but with a production environment with known workloads in a bare metal cloud that has been optimised for the applications.

This approach:

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