
What is "industrial-strength" IS infrastructure?
Merce is a software product. However, IS infrastructure does not
become industrial-strength by choosing the right software product.
Industrial-strength IS infrastructure is that which can cope with
stringent demands on the following fronts:
- Reliability: Perhaps the most important
requirement from industrial-strength IS infrastructure is reliability.
All services must keep running, deliver acceptable performance, and not
malfunction randomly. And the reliability of email infrastructure is
perhaps the most difficult to maintain.
- Availability: This focuses on the specific area of
service availability. All services must remain available in the presence
of hardware and software faults. Availability is a key area of concern
specially for key real-time business applications, i.e. share
trading applications, and for WAN links.
- Scalability: Today, IS infrastructure faces
constant scalability pressures to address increased usage and
traffic, both genuine and spurious. Perhaps no other computer and
network service faces this more than email. Today, the threat of junk
mails challenges networking and email infrastructure to unprecedented
levels. Between June and October 2006, worldwide spam traffice monitors
reported a 3x rise in spam traffic. If spurious email traffic
increases three times in three months, this alone may bring down some
corporate email servers.
- Data protection: Data loss by accidental hardware
failure is not considered acceptable at all today. Businesses today demand
the same level of permanence from computer data that they do from paper
files; in many cases, they demand more. But computer hard disks often
fail within a few years, and the culture where each individual employee
took his own backups has died completely. "No one has the time," we are
always told. IS infrastructure must rise to this challenge.
- Security: The underlying concern for information
security permeates the entire IS infrastructure landscape. Security has
been discussed elsewhere in greater detail.
- A 24x7 world: This is now a fact of life. IS
infrastructure now needs to work round the clock, much like telephones.
IS Managers now understand that server downtimes need to be scheduled
weeks in advance; even the "Sunday maintenance window" is not available
in many enterprises. All usable backup strategies are online, automated,
and near-real-time or real-time.
This is a complex set of requirements. All requirements must be
met for unbroken stretches of many years. This cannot be met by just
buying some hardware or software product, whatever their manufacturers
may claim. Industrial-strength IS infrastructure has to be designed the
way an architect designs a large building -- integration is
a key challenge. Then an entire range of complex hardware and software
products has to be purchased, configured, integrated and tested, brick
by brick. Once this is done, the entire system needs to be monitored
24x7 using automated tools.
Therefore, the key attribute that distinguishes an industrial-strength
IS infrastructure product like Merce is whether it has been deployed
in demanding enterprise environments and integrated with the other
sub-systems to deliver industrial-strength infrastructure.

How Merce helps build industrial-strength IS
Merce works with the rest of your IS infrastructure on all fronts
to help you take your information assets to the level your enterprise
deserves:
- Server-class hardware: Merce has been installed
at various client sites on rack-mountable server-class hardware
with symmetric multiprocessing (SMP), advanced disk controllers, RAID
controllers, FC HBA support, GB NIC support, redundant power supply units,
etc. The OS installation and system configuration processes
involved for making full use of such hardware are more complex than for
low-end computers.
- Advanced storage support: Merce has been configured
at various sites to use SAN and NAS external storage; it manages
multi-terabyte mail folders and directories of user data at those
installations. These storage devices have been configured to use FC
interfaces or the iSCSI protocol. External storage systems have been
set up with RAID 5 or RAID 6 for data protection.
- High availability clusters: Merce servers have been
set up in redundant HA clusters, where one server acts as hot standby
for another. Data replication is either done through shared storage or
by automatic application-level mirroring in Merce every few hours. In
the simpler cases, Merce works on server pairs, where one server is purely
a dedicated hot standby. In more complex server farms, various Merce
components have been spread over a cluster of four or more servers,
and more complex dependency matrix patterns have been set up for
cross-failover among the servers.
- Firewalls and IDS: Without exception, all
Merce-enabled enterprise networks till date are protected using
firewalls. Various firewalls have been integrated into a Merce-enabled
enterprise network, and are monitored with Merce Insight
. IDS solutions have also been integrated.
- Large installations: Large Merce networks integrate
dozens of servers delivering services to thousands of users. One of
our first installations had one master server, twenty slave servers,
and about ten Linux-based firewalls.
- Migration from legacy systems: Rarely is Merce the
first messaging system used by our clients. In almost all deployment
projects, our team has assisted the client in performing a 100% migration
of all existing messages, mailboxes, address books, and other data from
legacy systems to Merce. This has often been done without loss of a
single email, and without the users being asked to mail systems in
parallel. Effective project planning together with tools and technologies
have allowed the migration to be executed within one weekend per site, even
for sites with many hundred users. From Monday morning, users see a new
messaging system with all old emails visible and no loss of email.
- Environmental controls: Merce servers have been
integrated with compatible UPS systems, temperature sensors, etc.
Servers shut down automatically if temperatures rise above pre-set values
or UPS battery levels fall below a low-water mark. Such events are also
monitored using Merce Insight. Some Merce servers run in unmanned server
racks in remote locations without any local IT support staff, 24x7.
At such installations, environment monitoring is needed to prevent
cascading server failure in case of power problems or air-conditioning
failure.
You cannot buy industrial-strength IS infrastructure. You must build
it. Merce, and the technical team behind it, understands how such
infrastructure is built.

The Merce Professional Services Group
At Merce, we do not believe in limiting our engagement with our clients
to just delivering shrink-wrapped software CDs and manuals. Some of our
customers will be comfortable handling the entire installation,
configuration, testing and commissioning of their solutions themselves.
Others seek our assistance and assurance in the rollout and continued
maintenance processes.
The Merce Professional Services Group (PSG) works as implementation
partners with our customers to handle the entire process of Merce
deployment, from start to finish. The Merce Support Group works with
existing customers to provide remote and on-site technical support the
year round. We also have a network of Partners of all grades who
take our prospective customer from early stage exploration to pre-sales
detailing to closure, and provide ongoing on-site technical support
after commissioning.
We believe in a high-involvement model to engage with the market. We
want to be present to ensure that our customers do not have any cause
for complaint. Modern IS infrastructure is getting increasingly complex;
your business or academic institution should not need to acquire
expertise in these areas to get the benefit of good IS infrastructure.
Merce PSG and our Partner network will work with you.
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