Applications & Services in Wireless Networks by Hossam Afifi, Djamal Zeghlache

By Hossam Afifi, Djamal Zeghlache

Contemporary advancements to instant networks convey with them the questions of carrier deals, carrier administration, provider keep an eye on, and caliber of provider which are tested during this number of views on rising instant applied sciences.

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6) The foreign BB informs the mobile host about success or failure of the SLS transfer. 5. Translation of the SLS to Linux Router configurations The information provided by the SLS packet format (Figure 2) is a rather highlevel specification of service level information. This information can be translated to router configuration parameters like queue length etc. in several ways. A specific transformation has to be chosen by the programmer of the API class for the Linux Router [STA 01b]. Since the API is object-oriented a modification of the existing API is not very difficult.

We assume that the identification of the subscriber is based on the GPRS network procedures, through the use of IMSI [IMSI] (identifier located in the microsim that is inserted in most of cellular networks) or the MSISDN. This is a subset of the AAA identification that uses more general names [NAI]. 1. Scope and scenario of operation This architecture will produce MIPv6 connectivity in an infrastructure that can be built on top of existing GPRS systems. This infrastructure exploits GPRS lower layer (link and physical).

When visiting a new network the node acquires an address called the Care of Address (COA). This is the temporary address where packets are to be sent. There is also an agent that learns the positions of the node in the different subnets and forwards the traffic to these respective destination. It is called the Home Agent (HA). The goal of Mobile IPv6 is hence to keep any ongoing connection (with the correspondent node CN) alive while the node is moving between different subnets. The Mobile Node is regularly sending messages keeping alive its relation with the home network.

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