In-house e-mail archiving: The in-house solution model is just how it sounds. All required hardware and software is purchased by the customer, installed in the customer's data center and managed by the customer. The vast majority of e-mail archiving solutions sold in the last eight years are of this type.
The most common advantages of the in-house model:
The most common disadvantages of the in-house model include:
The in-house model is mainly for companies who prefer and have the budget and IT resources to manage their e-mail archiving.
Hosted e-mail archiving: In this model, a company's e-mail, sent and received, is forwarded via VPN or other secure link to a service provider which accepts the e-mail, indexes it and stores the e-mail for later retrieval by the customer.
There are a number of reasons to select an outsourced archiving service. They are:
Despite all the pros, not all companies accept these benefits. Some of the drawbacks of outsourcing expressed by companies include the following:
Hybrid e-mail archiving: The hybrid e-mail archiving approach combines the in-house and outsourced models. In a typical installation, an appliance is installed at the customer site which performs the capture, indexing and management of the e-mail traffic. This e-mail is then usually encrypted and sent to a service provider's site for secure storage. The hybrid model was originally created to offset the high cost of storage. Now, because hybrid vendors usually offer the hybrid solution via a monthly service charge, customers are offered the best of both the in-house and hosted models.
The advantages of the hybrid model include:
The weakness of the hybrid model is:
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