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Quasar vs Blackhole - What's the difference?

quasar | blackhole |

As nouns the difference between quasar and blackhole

is that quasar is while blackhole is , especially in the attributive.

As a verb blackhole is

(internet) to redirect (network traffic, etc) nowhere; to discard incoming traffic.

quasar

English

(wikipedia quasar)

Noun

(en noun)
  • (galaxy) An extragalactic object, starlike in appearance, that is among the most luminous and thought to be the most distant objects in the universe.

    • Synonyms

    * Q * QSO, quasi-stellar object * (dated) QSR, quasi-stellar radio-source * (obsolete) QSS, quasi-stellar source * (obsolete) BSO, blue stellar object

    Derived terms

    * microquasar

    See also

    * AGN, active galactic nucleus * active galaxy * pulsar * RIQ, RLQ, RQQ ----

    blackhole

    English

    (too many supposedly distinct senses) (Black hole)

    Noun

    (en noun)
  • , especially in the attributive.
  • (Internet) A place where traffic is silently discarded.
  • (programming) A bit bucket; a place of permanent oblivion for data.
  • (computing) DNSBL, used to block spamming IP addresses – are often called "blackhole lists"
  • (Internet) A blackhole server, a DNS server that handles reverse lookups of invalid IP ranges
    • One way of fighting spam is to use a blackhole''' list maintained on a '''blackhole server.
  • (management) A resource sink.

    • Verb

    (blackhol)
  • (internet) To redirect (network traffic, etc.) nowhere; to discard incoming traffic.
  • * 2005 , Victor Oppleman, Oliver Friedrichs, Brett Watson, Extreme exploits: advanced defenses against hardcore hacks (page 186)
    • Select a nonglobally routed prefix, such as the Test-Net (RFC 3330) 192.0.2.0/24, to use as the next hop of any attacked prefix to be blackholed .