نتایج جستجو برای: ip phone
تعداد نتایج: 125377 فیلتر نتایج به سال:
With the development of network technology, IPv6 will be widely used in the next generation Internet, IPv6 will be used in the next generation Internet, IPv6 could combine mobile networks and fixed wireless networks closely, which brings great convenience to people’s live. The handoff delay of Mobile IPv6 seriously affected the realtime communication service quality, therefore various improveme...
Mobile IP is a standard for handling routing for hosts that have moved from their home network. This paper studies the costs of the Mobile IP handoff that occurs when a mobile host moves between networks. Experiments were carried out with Mobile IP and TCP over varying network conditions to observe the effect of handoffs on the transmission. This paper shows that although Mobile IP may be appro...
With the emergence of different wireless technologies, a mobile terminal equipped with multiple interfaces can achieve a much higher bandwidth by aggregating the bandwidth offered by the individual networks. In this paper, we present a system based on Mobile IP that achieves the above objective. We will discuss in detail the architectural requirements and algorithms that are needed to support t...
Ahsrwclhlobile IP is the current standard supporting user muhilit? in wireless IP networks. Mobile IP regional registration is proposed b) IETF ts reduce the Mobile IP location update cost I)! making the registration localized. A distributed regional relistration scheme is also introduced to choose the GFAs dynamicdlly. In the distributed scheme, the signaling burden is evenib distributed among...
Hierarchical Mobile IPv6 (HMIPv6) is an enhanced Mobile IPv6 for reducing signaling cost of location management. Multi-level Hierarchical Mobile IPv6 (MHMIPv6) can organize mobile region as a multi-level hierarchy architecture, which is more flexible to support scalable services. However, MHMIPv6 will bring additional packet processing overhead, and produce negative impact especially on some mo...
This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Abstract Mobile IPv4 (RFC 3344) uses the home agent (HA) to a...
The increase of advanced service offered by cellular networks draws lots of interest from researchers to study the networks and phone user behavior. With the evolution of Voice over IP, cellular phone usage is expected to increase exponentially. In this paper, we analyze the behavior of cellular phone users and identify behavior signatures based on their calling patterns. We quantify and infer ...
Cellular telephones save power by switching to a low power, or dormant, mode when there is no active traffic. In dormant mode, the telephone periodically checks for a beacon, and if the beacon indicates that the phone has moved to a new paging area, the telephone performs a paging area update. Paging area update signaling requires considerably less power than is required to move an active traff...
This paper presents a low cost and flexible home control and monitoring system using an embedded micro-web server, with IP connectivity for accessing and controlling devices and appliances remotely using Android based Smart phone app. The proposed system does not require a dedicated server PC with respect to similar systems and offers a novel communication protocol to monitor and control the ho...
in: 4th International Conference on Telecommunication Systems, Modelling and Analysis, März 21 24, 1996, Nashville, TN, USA Analysis of Security and Privacy in Mobile IP Andreas Fasbender, Dogan Kesdogan 1 and Olaf Kubitz Lehrstuhl für Informatik 4 (Communication Systems) RWTH Aachen (Aachen University of Technology) 52056 Aachen, Germany Phone: +49 (241) 80-21401, Fax: +49 (241) 8888-220 E-mai...
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