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MoneyMike

Ip networking at a glance

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Hi everyone, on a previous topic I created about IP cameras moved very forwardly around the network infrastructure and limitations of certain networks and system design flaws.

 

Being only a newbie to the game I was hoping some of the elite network administrators around would share the do's and don’ts.

 

If we could start with terminology, standards, network traffic, tools to invoke and test a network. Also the bench mark to set up for a redundant system for single and multiple sites.

 

It would be tops if we could keep it at a straight technically level so everyone can benefit.

 

Many thanks

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For most of you learning how to setup a network for an enterprise environment would just be a waste of time. However you should look at different sized businesses and how they implement a network. The sizes are:

 

1-10

10-20

20-100

100-1000

1000+

 

Site distribution

Single site

Multi site

Multi site + data enter.

Multi site, data centre, Disaster recovery sites

 

Comms infrastructure

Public infrastructure (ADSL)

Private infrastructure (Leased lines ATM, ISDN etc)

 

Industry security level

Small retailer

service industry

manufacturing

Banks

 

Different size and structure will set the network and IT standards. As the size of the business grows so does its yearn for control of its network and IT infrastructure. Cost of hardware starts to pail against the requirement for standardization and remote control. So things like enterprise switches that knit together into one management console become the standard despite their cost. DVR will be put aside for NVR. Duel fibre and redundant fibre loops, alternative backhaul, and advanced routers and firewalls become the norm. Server virtualisation, SAN, and locked down desktops pose other issues for vendors dealing with larger companies. While you may have implemented DHCP successfully in a 20 device environment things change when you hit 1000 devices in a subnet. DHCP isn't such a good thing for every device. One of my networks with over 200 devices all statically addressed.

 

Learn at what sizes these changes start to occur. Know where you skill set is at and instantly recognise if a customer is at the next level to you. Know when it is beyond your knowlege and when to turn the job away. Be prepared when you take a jump to that next level and don't jump too many levels at once. And remember just because it works doesn't mean you have it right

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