Still Alive: Extending Keep-Alive Intervals in P2P Overlay Networks

Why Keep Them Alive

'....officiously to keep alive'.

Modern medical technology has provided powerful tools with which to initiate and sustain life and understandable concern is being expressed about scientists and doctors 'playing God.' The view that 'the clinician's freedom to stop intensive treatment when the probable outcome is severe handicap is part of the package of neonatology" is far from unanimous. The hard facts are, however, that today...

Beta Is Still Alive!∗

This paper investigates whether beta can predict the expected return after controlling for the beta instability resulting from shift in the covariance structure. Such a shift is driven by idiosyncratic volatility’s clientele effect: speculative investors prefer stocks with high idiosyncratic volatility. Consequently, these stocks tend to have low future returns from overpricing, and high beta b...

How to keep photoreceptors alive.

O ver the last 40 years, there has been increasing success in the surgical treatment of retinal detachment in that the retinal reattachment could be achieved in a high proportion of cases but visual recovery was frequently poor. An explanation for this poor visual outcome was derived from work on experimental retinal detachment in which it was shown that photoreceptor cell death occurred becaus...

Indication of Support for Keep-Alive

This specification defines a new Session Initiation Protocol (SIP) Via header field parameter, "keep", which allows adjacent SIP entities to explicitly negotiate usage of the Network Address Translation (NAT) keep-alive mechanisms defined in SIP Outbound, in cases where SIP Outbound is not supported, cannot be applied, or where usage of keep-alives is not implicitly negotiated as part of the SI...