"IP in IP" meaning in English

{
  "etymology_text": "Contraction of IP in IP encapsulation used in rfc:2003, which specified the protocol.",
  "forms": [
    {
      "form": "IP-in-IP",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "IP in IP (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Internet",
          "orig": "en:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "IP in IP is an unusual mechanism: not only does it use two network layers, it uses the same protocol on both.",
          "type": "example"
        },
        {
          "text": "Although IP in IP incurs an overhead, as the size of the headers is doubled, it may allow you to create a connection between two hosts that would otherwise be blocked by a firewall.",
          "type": "example"
        }
      ],
      "glosses": [
        "A protocol for sending IP packets over an existing IP network."
      ],
      "id": "en-IP_in_IP-en-noun-mhot0D5V",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "protocol",
          "protocol"
        ],
        [
          "IP",
          "Internet Protocol"
        ],
        [
          "packets",
          "packets"
        ],
        [
          "network",
          "network"
        ]
      ],
      "raw_glosses": [
        "(Internet) A protocol for sending IP packets over an existing IP network."
      ],
      "tags": [
        "Internet",
        "uncountable"
      ]
    }
  ],
  "word": "IP in IP"
}

{
  "etymology_text": "Contraction of IP in IP encapsulation used in rfc:2003, which specified the protocol.",
  "forms": [
    {
      "form": "IP-in-IP",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "IP in IP (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Internet"
      ],
      "examples": [
        {
          "text": "IP in IP is an unusual mechanism: not only does it use two network layers, it uses the same protocol on both.",
          "type": "example"
        },
        {
          "text": "Although IP in IP incurs an overhead, as the size of the headers is doubled, it may allow you to create a connection between two hosts that would otherwise be blocked by a firewall.",
          "type": "example"
        }
      ],
      "glosses": [
        "A protocol for sending IP packets over an existing IP network."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "protocol",
          "protocol"
        ],
        [
          "IP",
          "Internet Protocol"
        ],
        [
          "packets",
          "packets"
        ],
        [
          "network",
          "network"
        ]
      ],
      "raw_glosses": [
        "(Internet) A protocol for sending IP packets over an existing IP network."
      ],
      "tags": [
        "Internet",
        "uncountable"
      ]
    }
  ],
  "word": "IP in IP"
}