基于IMS的Push - to - Talk和Push - to - Multimedia业务内部威胁处理机制

Zeeshan Shafi Khan, Aneel Rahim, F. B. Muhaya
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引用次数: 0

摘要

即时通讯(IM)、实时视频传输和文件传输等功能将“推到通话”(PTT)服务转变为一种新的服务,即“推到多媒体”(PTM)。在PTT和PTM中,通过认证的用户可以由会话管理员(发起者)从会话中删除。单个授权机构删除已验证的用户可能会导致其余已验证成员之间的争议。因此,在本文中,我们提出了一种分布式机制来从正在进行的会话中删除经过身份验证的用户(身份验证后开始恶意行为的用户)。此外,用户可以长时间使用地板。没有机制被定义为预设在一个回合中地板使用的最大时间。在本文中,我们还给出了一种机制来定义在会议开始时使用地板的最大时间。这个时间因用户而异。这些特性一方面保护了PTT和PTM业务,另一方面丰富了这些业务。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Mechanism for Handling Internal Threats of IMS Based Push to Talk and Push to Multimedia Service
Capabilities like Instant Messaging (IM), real-time video transfer and file transfer converts the Push to Talk (PTT) Service into a new one, known as Push to Multimedia (PTM). In PTT and PTM an authenticated user can be deleted from the session by the session administrator (initiator). Deletion of an authenticated user by a single authority may results in dispute among the remaining authenticated members. So in this paper we present a distributed mechanism to delete an authenticated user (who starts to act maliciously after authentication) from an ongoing session. Moreover a user may use the floor for the long period of time. No mechanism is defined to preset the maximum time for the floor use in a single turn. In this paper we also give a mechanism to define the maximum time for floor use at the start of the session. This time can vary from user to user. These features on one side secure the PTT and PTM service and on the other side enrich these services.
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