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In the past few years, Mobile agent technology is one of the emerging, fastest growing and promising concepts for the development of applications. A mobile agent is composition of computer program that proceed autonomously for a user or application moving in the heterogeneous communication environment. This survey presents "pure fault tolerance technique "that enables a system to continue operating their functions properly while, occurrence of the failure of some of its components in mobile agent systems. It is mandatory that the mobile agents should be reliable so that mobile agent's technology continues. To verify fault and failure free process of mobile agent based applications, consistency need to be addressed. Fault tolerance is important to the further expansion of mobile agent applications. In the framework of mobile agents, fault-tolerance prevents an incomplete or entire loss of the agent, i.e., it confirms that the agent arrives at its target.

BACKGROUND: High altitude induced prothrombogenic state in the human body predisposes to many disease process. Acute appendicitis in the setting of high altitude is also attributed partly to thrombosis of the appendicular artery and its branches and maybe an independent factor contributing to the development of acute appendicitis. Studies on this aspect are non-existent and requires more research. AIM:To study the role of high altitude induced prothrombogenic state in the pathogenesis of acute appendicitis in high altitude. MATERIALS AND METHODS: This was a retrospective observational study on 172 cases of acute appendicitis who presented to our peripheral hospital in the setting of the high altitude terrain of Laddakh between June 2019 to August 2021. Data collection was ostensibly done using the operative ndings as endorsed in the case sheets looking specically for presence of thrombosis of the appendicular artery and its branches on gross examination. RESULTS: 247 cases of acute appendicitis who underwent emergency open appendectomy were examined of which 172 underwent open appendectomy and 75 underwent laparoscopic appendectomy. Only the 172 cases undergoing open appendectomy were considered for the study. The age group under study was 20 to 60 years with a median of 28 years. A signicant 43 cases (25%) were found to have a thrombotic pathology with visible thrombosis of appendicular artery or its branches. CONCLUSIONS: Exposure of high altitude to the individuals living there-in incites a prothrombogenic state in them leading to development of acute appendicitis and the thrombosis of the appendicular artery and/or its branches, has a major contributory independent factor in the etiopathogenesis of acute appendicitis considering the low ow end arterial nature of the same.