BREATH-OF-LIFE PACKET
\bɹˈɛθɒvlˈa͡ɪf pˈakɪt], \bɹˈɛθɒvlˈaɪf pˈakɪt], \b_ɹ_ˈɛ_θ_ɒ_v_l_ˈaɪ_f p_ˈa_k_ɪ_t]\
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(XEROX PARC) An Ethernet packet that containsbootstrap code, periodically sent out from a workingcomputer to infuse the "breath of life" into any computer onthe network that has crashed. Computers depending on suchpackets have sufficient hardware or firmware code to wait for(or request) such a packet during the reboot process.See also dickless workstation.The notional "kiss-of-death packet", with a functioncomplementary to that of a breath-of-life packet, isrecommended for dealing with hosts that consume too manynetwork resources. Though "kiss-of-death packet" is usuallyused in jest, there is at least one documented instance of anInternet subnet with limited address-table slots in agateway computer in which such packets were routinely used tocompete for slots, rather like Christmas shoppers competingfor scarce parking spaces.
By Denis Howe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.