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At
WebAssist, we understand the importance of speed,
security, and stability; and have invested heavily in
hardware and facilities with global providers that
ensure your websites are up and running on the WWW 24
hours a day, seven days a week.
Connected to Three Worldwide Internet Backbones
We have bandwidth-on-demand connections with
GlobalCenter, Qwest Communications, and Genuity, a
division of GTE. These Tier 1 providers service such
giants as Yahoo!, Netscape, USA TODAY, Electronic Arts,
RealEstate.com.au, Pacific Access (Yellowpages and
Whitepages Online), Looksmart, dstore.com.au and
PeakHour.com.au to name a few, and together make up one
of the primary Internet backbones in the world. Our
servers are situated 'OnNet' (on the backbone not
connecting to it) to multiple OC-12 and major OC-48
fibre optic connections running straight into peering
arrangements with other Tier-1 global telecommunications
carriers, allowing WebAssist to offer one of the
fastest, most reliable connections available for
dedicated data serving.
Furthermore, because of these unique connections,
WebAssist does not need to link to the Internet though a
telephone circuit, therefore cutting out circuit failure
problems all together. Using Dense Wave Division
Multiplexing (DWDM) technology these connections can
handle several times the bandwidth of an OC-3. Whatever
your bandwidth needs may be, WebAssist has the
scalability to meet them.
Network Redundancy and
Performance

Our systems use intelligent end-user routing software
called Border Gateway Protocol (BGP), between Qwest, GC
and GTE, who use the same protocol. BGP identifies which
path is the most efficient for each data packet and then
routes the packet to its destination on the fastest
path. This increases the speed at which web pages sent
from our servers arrive at their destination.
Studies have shown that the most common reason for
downtime is circuit failure on Tier 1 provider
backbones, the major data highways. To guard against
this potential problem, we have three Tier-1 providers.
If one experiences problems, we can route traffic down
the other one. Furthermore, because we are OnNet with
GlobalCenter we share their digital distribution
architecture, which includes private peering network
connections to major US and worldwide Internet carriers
such as MCI Worldcom, Sprint, UUNET, C & W Optus,
EUNET, AT&T, AOL, Best, Erols, @Home, IBM Advantis
and others. These private peering arrangements allow
WebAssist to exchange packets of data with every major
backbone carrier in a one-to-one environment quickly and
efficiently.
Network Reliability
Industry analysis reveals that 70% of downtime over ten
hours with any ISP is caused by telephone circuit
failure.
Since we connect directly to GlobalCenter, Qwest and
GTE, circuit failure is virtually eliminated because
there is no phone circuit between us and our provider.
Instead, there is a direct connection between our Cisco
7500 router and theirs.
Our providers also have peering connections with other
major Tier 1 providers, which allows traffic to be
switched to alternate backbones should the need arise.
Uninterruptible Power System
To guard against local power failures, we have two
industrial-grade, three phase Liebert UPS systems. These
act as back-up batteries, maintaining uninterrupted
power in case of surges or power outages. With these
backup systems in place, we can keep our network up and
running indefinitely without relying on external power.
Industrial-Grade Air
Conditioners
There are two Liebert ten ton industrial air
conditioners, which condition the computer rooms and
operations centre. Our computer room is kept at an
optimal temperature of 65 degrees Fahrenheit.
Custom Web Servers
Our web servers are custom-built industrial machines
designed for a 24/7 web serving environment. All
WebAssist servers are equipped with dual redundant
450-watt power supplies, hot swap Seagate
Barracuda/Cheetah drives and force-filtered cooling
systems. In addition, an inventory of identically
configured, burned-in standby servers are on standby if
needed.
Force Filtered Cooling
All of WebAssist's custom web servers are equipped with
a positive pressure filtered-air system. Four large fans
pull filtered air into each server's protective case and
the components within are cooled by fans which circulate
this purified air. This constant introduction of clean
air into the case creates a positive pressure
environment ensuring dust and particles remain outside
of the server.
Hot Swap Seagate Drives
The drives and drive bays of all servers are constructed
from high-grade aluminium, and rest in shock mounted
drive cages, which adds to the durability of the
hardware.
Redundant Hot Swap Power
Supplies
Each server employs dual-redundant hot swap power
supplies. If a power supply were to fail, the server
would continue running with power from the alternate
supply. Meanwhile, alarms would alert a technician, who
would quickly restore redundancy. In the meantime,
servers and client sites would experience no downtime.
Standby Servers
We keep spare servers on-line of all CPU configurations.
If a server were to experience a hardware failure, we
would turn a key, grab the handle on the drive, pull it
out, and insert it into an identical standby CPU. We
would then reboot the second machine and the server
would be up and running again in a matter of minutes.
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