The primary of network elements that should be installed to have mobile broadband service includes, Public Data Servicing Node (PDSN), Authentication, Authorization and Accounting (AAA) Server, Charging Gateway, Internet Gateway. Meanwhile in core network, usually they already existed by utilizing current network elements such as BTS and BSC. Both of core network elements are used to be upgraded the license to support mobile broadband service. However if mobile broadband providers migrate to the different platform, suppose GPRS to WIMAX or CDMA 1x to WIMAX then they need to change the entire of network elements including BTS and BSC.

Others network elements of mobile broadband that should be considered are data comm networks such as router, switch and firewall. Even though they already existed in current network but we need to give more attention about the its capability to handle huge traffic that will come from mobile broadband subscribers. Transport network such as transmission media also needs to be upgraded to carry out huge traffic. Migrating to the optical network is the common strategy to prevent network bottle neck

Meanwhile in the border which will connect to the outside (internet and three parties), security system should be deployed to prevent undesired traffic from mobile broadband subscribers or outside (internet or three parties). Firewall, cache engine and Intrusion Prevention Systems (IPS) should be deployed to make sure the network security

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There are more network element should be upgraded to support mobile broadband service. Upgrading the capacity of the network interface on the router, switch/catalyst is the thing that can not be missed. If CDMA 1x or GPRS services require fast Ethernet which can handle maximum throughput 100 Mbps, mobile broadband service require 10 times of that capacity. Upgrading the network to have Giga byte throughout should be done to all of network element which involve to the mobile broadband service. Network interface of charging gateway also need to be upgrade to handle huge traffic that will hit the charging gateway. Each interface should be upgrade to the Giga byte Ethernet or optical fiber port. Huge traffic that will hit the network element is the main reason why network port should be upgrade to Giga byte or optical fiber port.

The network interface port on the servers which server part of mobile broadband service such as streaming and download contents, game services also should be upgraded to Giga byte or optical fiber port. The same way should be done on others network elements such as firewall, bandwidth management, cache engine etc. Upgrading the network to support mobile broadband service is to anticipate huge traffic which definitely will come and prevent network bottleneck.

1. Routing the packet to the destination address

To ensure that packet was delivered to the right destination, Data Com Network implement routing protocol such as static routing, OSPF, BGP, eBGP

2. Finding the best way to deliver the packet

Usually the shortest path is to representing the best way to reach the destination address. Data Com network will find which is the fastest way to deliver the packet

3. Integrating the entire of telecommunication network infrastructures

By assigning an IP address to each network elements, the entire of telecommunication infrastructures can be accessed and monitored from the head quarter

4. Permitting and denying particular address to access particular network (security policy)

This is a mechanism to protect the network from huge illegal traffic

5. Preventing unauthorized traffic from public network to access to internal network

Data Com is running on the 3 of 7 OSI Model, they are physical, data link and routing layer. Meanwhile equipments which used to use to run Data Com function are Router, Switch/Catalyst, Cabling, Firewall. .Actually Data Com network is very urgent and critical to support telecommunication service such as mobile internet service . Any major problem to the Data Com network will impact to almost telecommunication service e.g. mobile internet service . Telecommunication core network are integrated one to each other by connecting through Data Com network. HLR, MSC, BSC, BTS, SMSC and others telecommunication core network will be interrupted when the core Data Com network has a problem and it means that Data Com network plays the key role to the telecommunication services. To ensure that their role is running well, many technology are applied on the Data Com network e.g. Multi Protocol Label Switching (MPLS), ATM and high level routing protocol

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