Network transformation to harness existing network environment – the network transformation, network environment, network planning – Communications Industry
Whether your network planning is how to improve, but after a certain period of use, you still need to consider expanding or upgrading your network. Generally speaking, this is because the existing network performance, capacity and stability and so can not meet your business users, or applications, and data needs.
During network upgrade, you need to consider various factors in order to ensure you get the best returns, while ensuring value for money you are spending the money. With the smallest cost to get the maximum benefit. For example, if only just to the existing Service Device system to increase certain Memory Or some network adapters can achieve the desired effect, then, of course, will not spend millions of dollars to buy a new server.
Network transformation to how to make use of the existing network environment? This article will focus on how SMEs cost-sensitive network upgrade process, make use of the existing network environment described.
"The existing network environment" refers to what is it?
Existing network environment, refer to the existing enterprise network infrastructure, Package Include:
Line type: twisted pair, multimode fiber and their jumper. Information module.
Network equipment categories: network card, Switch , Router , Firewall , Fiber optic transceivers, and other line equipment.
Our corporate network infrastructure, including lines and equipment can be upgraded in the network we take full advantage of engineering, especially Integrated wiring Most of the office renovation process has been put into the decoration materials hidden inside, if this part of the redevelopment will destroy the original decoration, which is undesirable. The network equipment in the network upgrade project with limited, especially on the bandwidth expansion we have to the case.
How to make use of If your network infrastructure has been very old, in today's network technology and product upgrades quickly and today it is necessary to upgrade the network infrastructure. Otherwise a lot of high efficiency office network means you can not use, these new networks, including office methods and VoIP, network video conferencing, network storage, network collaboration and so on. The new office means we need the network to the corporate network to upgrade to wider bandwidth and QOS and traffic can Security Control. We can use the existing network environment may be focused on the bandwidth potential of the QOS and the security control of other advanced features such as network equipment in the early days may not have, therefore equipment in this area may not use the value, may re-purchase.
The use of line class Line class is in the network upgrade project to upgrade the greatest potential bandwidth of the network infrastructure, and the most valuable use. The current network engineering basic requirements are: at least gigabit backbone, Fast to the desktop. Already popular is: Gigabit backbone, Gigabit to the desktop, because the twisted pair at both ends?? Gigabit switches and Gigabit Ethernet price is now down to a "civilian" prices, for businesses is now more should be equipped. This analysis down, we need to achieve Gigabit line with bandwidth capacity expansion.
In the last five years building enterprise LAN Gigabit cabling system should have the ability to upgrade. Enterprise network cabling systems are the two important "level wiring system" and "vertical backbone cabling system."
Horizontal cabling systems have gigabit capability over five twisted pair, five categories of information over both ends of the module also has gigabit capability.
Vertical backbone cabling system of multi-mode fiber (50/125 m multimode fiber or 62.5/125 m multimode fiber) is also gigabit capacity.
Therefore the existing Network Cabling Can be directly utilized, which can be modified without any expansion to Gigabit. Need expansion is the key network equipment.
The use of network equipment Network equipment to provide the port rate ultimately determines the enterprise network bandwidth, network equipment and equipment a few years ago most of the port can only provide 10/100M speed, so upgrading to gigabit networks, use value is not great. Only for "gigabit backbone, Fast to the desktop," the network upgrade has some use.
For "gigabit backbone", center of the core network switch port must support Gigabit speed, so for the previous general 10/100M ports only do the core enterprise network switches must be replaced to All 10/100/1000M Gigabit Switch. Therefore, we have the following arrangement.
Line back second-tier 10/100M Fast Ethernet switches for the core can now step aside. This switch can be a desktop-level working groups of local switches to use, so you can go to the end of the network, the access to high-density office use the Working Group. This Fast Ethernet switch with Gigabit expansion slots the best you can buy Gigabit port module installation, so that the center can gigabit network core switch is connected to achieve gigabit backbone. Otherwise we can only realize the backbone of the adaptive Fast.
Line upgrade As to achieve gigabit backbone, our network center core switches must be Gigabit switch, that is, the market's most cost-effective 10/100/1000M Gigabit switch. This adaptive use of the port, Fast Ethernet switch above us can match Fast rate while value in use.
As for routers and firewalls, if a traditional router, such as CISCO2610, if the switch to broadband access, upgrade may need to purchase expensive interface module, these traditional devices for today's broadband access methods are not very convenience. With maintenance of complex Document Believe there is no need to use. Now broadband access gateway and firewall products are better substitutes.
Most of the original fiber-optic transceiver is 10/100M port rate, due to bandwidth upgrade has no use value, can only be updated.
The proposal to upgrade the core switches
Addition to Gigabit port, in a large network, Investment The use of more intelligent switches is worth it, because the intelligent switch to focus on the three or more packages of information to consider the priority and traffic, which depends on users and applications. With ordinary two-story switches comparison, relative to the network and business, the use of this switch makes the network more efficient exchange, but there is also
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