Consolidation ratio within
network infrastructure
A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are ...
for
Internet hosting
An Internet hosting service is a service that runs servers connected to the Internet, allowing organizations and individuals to serve content or host services connected to the Internet.
A common kind of hosting is web hosting. Most hosting provi ...
, is the number of
virtual servers that can run on each physical
host machine
A hypervisor (also known as a virtual machine monitor, VMM, or virtualizer) is a type of computer software, firmware or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called ...
. Many companies arrive at that figure through trial and error by stacking virtual machines on top of each other until performance slows to a crawl. “It’s sort of
capacity planning
Capacity planning is the process of determining the production capacity needed by an organization to meet changing demands for its products.
In the context of capacity planning, design capacity is the maximum amount of work that an organization ...
by bloody nose,” observes Bob Gill, managing director of server research for analyst firm TheInfoPro Inc. of New York.
The recent V-index showed that the average consolidation ratio is actually lower than was expected - 6.3:1 VMs per physical host (actual ratio) vs. 9.8:1 (perceived)
ServerWatch.com: V-Index: Measuring Virtualization Technology's Reach
/ref>
See also
*Nagle's algorithm
Nagle's algorithm is a means of improving the efficiency of TCP/IP networks by reducing the number of packets that need to be sent over the network. It was defined by John Nagle while working for Ford Aerospace. It was published in 1984 as a Req ...
References
Computer networking
Networking algorithms
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