Markets regulator Sebi on Thursday asked stock exchanges and other market infrastructure institutions (MIIs) to ensure that the Recovery Point Objective (RPO) -- the maximum period for which data loss is tolerable due to a technical glitch or disruptions -- is near zero. In market parlance, a recovery point objective (RPO) of near zero means that an institution should aim for almost 100 per cent availability of their data and applications. Further, MIIs need to have a documented methodology for data reconciliation when resuming operations from Disaster Recovery Site (DRS) or any other site as applicable, Sebi said in a circular. Additionally, Sebi has asked MIIs -- stock exchanges, clearing corporations and depositories- to collaborate in developing a standardized definition of 'near zero data loss' and submit the same to it after taking approval from their respective Standing Committee on Technology. In addition to a Disaster Recovery Site, all stock exchanges, clearing ...