1 PSN Services Service Descriptions - Government Procurement ...

withdrawn by the GSLB service in the event of a failure of the site or of the multiple AV relay
servers within the site. The Email Filtering Service shall be accessed externally (via the Internet)
based on the resolution of weighted MX records; one record shall point to one data centre and
one record shall point to the other.
The Email Filtering Service is based on a tower architecture, where a tower includes all the
processing capability, load balancing and management architecture required to provide the full
service. For resilience and performance, the Email Filtering Service shall be replicated (N+N)
between the two data centres.
The Email Filtering Service will scale in line with Customer demand and is underpinned by
load-balancing technology which enables the load to be distributed over a number of
computing platforms, the scaling of which is invisible to the Customer.
Service Provision - Approach (Delivery inc where applicable Design and Build)
In receipt of a fully completed and accepted order, the Contractor will enable Email Filtering
for the Customer. For some functions the Contractor will enable the capability for the
Customer to apply that capability via the portal facility
The Contractor shall, to the extent practicable, provide a consistent and uniform approach
to service management.
Service Management/Reporting/Service Operations (In-Life)
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