"split horizon" meaning in English

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  "etymology_text": "From split + horizon.",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A method of preventing routing loops in distance-vector routing protocols by prohibiting a router from advertising a route back onto the interface from which it was learned."
      ],
      "id": "en-split_horizon-en-noun-PC~hhjAe",
      "links": [
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          "computing",
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        [
          "routing loop",
          "routing loop"
        ],
        [
          "distance-vector",
          "distance-vector"
        ],
        [
          "routing",
          "routing"
        ],
        [
          "protocol",
          "protocol"
        ],
        [
          "router",
          "router"
        ],
        [
          "route",
          "route"
        ],
        [
          "interface",
          "interface"
        ]
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        "(computing) A method of preventing routing loops in distance-vector routing protocols by prohibiting a router from advertising a route back onto the interface from which it was learned."
      ],
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
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        "split horizon"
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    }
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  "word": "split horizon"
}

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        "2": "split",
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      "expansion": "split + horizon",
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  ],
  "etymology_text": "From split + horizon.",
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  "lang_code": "en",
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        "A method of preventing routing loops in distance-vector routing protocols by prohibiting a router from advertising a route back onto the interface from which it was learned."
      ],
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        [
          "computing",
          "computing#Noun"
        ],
        [
          "routing loop",
          "routing loop"
        ],
        [
          "distance-vector",
          "distance-vector"
        ],
        [
          "routing",
          "routing"
        ],
        [
          "protocol",
          "protocol"
        ],
        [
          "router",
          "router"
        ],
        [
          "route",
          "route"
        ],
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          "interface",
          "interface"
        ]
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        "(computing) A method of preventing routing loops in distance-vector routing protocols by prohibiting a router from advertising a route back onto the interface from which it was learned."
      ],
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        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
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  "word": "split horizon"
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