在一个广播的网络中,为什么需要网络层? 在计算机网络中,广播与多播的区别

\uff08\u8ba1\u7b97\u673a\u4e09\u7ea7\uff09\u4e3a\u4ec0\u4e48\u2462\u5c42\u7f51\u7edc\u9700\u8981\u8003\u8651\u4fdd\u7559\u7f51\u7edc\u5730\u5740\u548c\u5e7f\u64ad\u5730\u5740

\u540c\u4e00\u9053\u9898\u6211\u5728\u77e5\u9053\u91cc\u9762\u78b0\u5230\u597d\u591a\u6b21\u4e86
\u7b80\u5355\u7684\u8bf4\uff0c\u5982\u679c\u662f/30\uff0c\u90a3\u4e48\u4f1a\u9020\u6210RB\u7684E2\u63a5\u53e3\u5730\u574059.67.6.67\u53d8\u6210\u4e00\u4e2a\u5e7f\u64ad\u5730\u5740\uff0c\u8fd9\u79cd\u5730\u5740\u662f\u4e0d\u53ef\u80fd\u914d\u7f6e\u5728\u63a5\u53e3\u4e0a\u7684\uff0c\u6240\u4ee5\u8fd9\u91cc\u7684\u63a9\u7801\u5fc5\u987b\u8981\u662f/29

1.\u591a\u64ad\uff1a\u201c\u591a\u64ad\u201d\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u201c\u7ec4\u64ad\u201d\uff0c\u5728\u7f51\u7edc\u6280\u672f\u7684\u5e94\u7528\u5e76\u4e0d\u662f\u5f88\u591a\uff0c\u7f51\u4e0a\u89c6\u9891\u4f1a\u8bae\u3001\u7f51\u4e0a\u89c6\u9891\u70b9\u64ad\u7279\u522b\u9002\u5408\u91c7\u7528\u591a\u64ad\u65b9\u5f0f\u3002\u56e0\u4e3a\u5982\u679c\u91c7\u7528\u5355\u64ad\u65b9\u5f0f\uff0c\u9010\u4e2a\u8282\u70b9\u4f20\u8f93\uff0c\u6709\u591a\u5c11\u4e2a\u76ee\u6807\u8282\u70b9\uff0c\u5c31\u4f1a\u6709\u591a\u5c11\u6b21\u4f20\u9001\u8fc7\u7a0b\uff0c\u8fd9\u79cd\u65b9\u5f0f\u663e\u7136\u6548\u7387\u6781\u4f4e\uff0c\u662f\u4e0d\u53ef\u53d6\u7684\uff1b\u5982\u679c\u91c7\u7528\u4e0d\u533a\u5206\u76ee\u6807\u3001\u5168\u90e8\u53d1\u9001\u7684\u5e7f\u64ad\u65b9\u5f0f\uff0c\u867d\u7136\u4e00\u6b21\u53ef\u4ee5\u4f20\u9001\u5b8c\u6570\u636e\uff0c\u4f46\u662f\u663e\u7136\u8fbe\u4e0d\u5230\u533a\u5206\u7279\u5b9a\u6570\u636e\u63a5\u6536\u5bf9\u8c61\u7684\u76ee\u7684\u3002\u91c7\u7528\u591a\u64ad\u65b9\u5f0f\uff0c\u65e2\u53ef\u4ee5\u5b9e\u73b0\u4e00\u6b21\u4f20\u9001\u6240\u6709\u76ee\u6807\u8282\u70b9\u7684\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u8fbe\u5230\u53ea\u5bf9\u7279\u5b9a\u5bf9\u8c61\u4f20\u9001\u6570\u636e\u7684\u76ee\u7684\u3002 \u3000\u3000IP\u7f51\u7edc\u7684\u591a\u64ad\u4e00\u822c\u901a\u8fc7\u591a\u64adIP\u5730\u5740\u6765\u5b9e\u73b0\u3002\u591a\u64adIP\u5730\u5740\u5c31\u662fD\u7c7bIP\u5730\u5740\uff0c\u5373224.0.0.0\u81f3239.255.255.255\u4e4b\u95f4\u7684IP\u5730\u5740\u3002Windows 2000\u4e2d\u7684DHCP\u7ba1\u7406\u5668\u652f\u6301\u591a\u64adIP\u5730\u5740\u7684\u81ea\u52a8\u5206\u914d\u3002
2.\u5e7f\u64ad\uff1a\u201c\u5e7f\u64ad\u201d\u5728\u7f51\u7edc\u4e2d\u7684\u5e94\u7528\u8f83\u591a\uff0c\u5982\u5ba2\u6237\u673a\u901a\u8fc7DHCP\u81ea\u52a8\u83b7\u5f97IP\u5730\u5740\u7684\u8fc7\u7a0b\u5c31\u662f\u901a\u8fc7\u5e7f\u64ad\u6765\u5b9e\u73b0\u7684\u3002\u4f46\u662f\u540c\u5355\u64ad\u548c\u591a\u64ad\u76f8\u6bd4\uff0c\u5e7f\u64ad\u51e0\u4e4e\u5360\u7528\u4e86\u5b50\u7f51\u5185\u7f51\u7edc\u7684\u6240\u6709\u5e26\u5bbd\u3002\u62ff\u5f00\u4f1a\u6253\u4e00\u4e2a\u6bd4\u65b9\u5427\uff0c\u5728\u4f1a\u573a\u4e0a\u53ea\u80fd\u6709\u4e00\u4e2a\u4eba\u53d1\u8a00\uff0c\u60f3\u8c61\u4e00\u4e0b\u5982\u679c\u6240\u6709\u7684\u4eba\u540c\u65f6\u90fd\u7528\u9ea6\u514b\u98ce\u53d1\u8a00\uff0c\u90a3\u4f1a\u573a\u4e0a\u5c31\u4f1a\u4e71\u6210\u4e00\u9505\u7ca5\u3002\u96c6\u7ebf\u5668\u7531\u4e8e\u5176\u5de5\u4f5c\u539f\u7406\u51b3\u5b9a\u4e86\u4e0d\u53ef\u80fd\u8fc7\u6ee4\u5e7f\u64ad\u98ce\u66b4\uff0c\u4e00\u822c\u7684\u4ea4\u6362\u673a\u4e5f\u6ca1\u6709\u8fd9\u4e00\u529f\u80fd\uff0c\u4e0d\u8fc7\u73b0\u5728\u6709\u7684\u7f51\u7edc\u4ea4\u6362\u673a\uff08\u5982\u5168\u5411\u7684QS\u7cfb\u5217\u4ea4\u6362\u673a\uff09\u4e5f\u6709\u8fc7\u6ee4\u5e7f\u64ad\u98ce\u66b4\u529f\u80fd\u4e86\uff0c\u8def\u7531\u5668\u672c\u8eab\u5c31\u6709\u9694\u79bb\u5e7f\u64ad\u98ce\u66b4\u7684\u4f5c\u7528\u3002 \u3000\u3000\u5e7f\u64ad\u98ce\u66b4\u4e0d\u80fd\u5b8c\u5168\u675c\u7edd\uff0c\u4f46\u662f\u53ea\u80fd\u5728\u540c\u4e00\u5b50\u7f51\u5185\u4f20\u64ad\uff0c\u5c31\u597d\u50cf\u5587\u53ed\u7684\u58f0\u97f3\u53ea\u80fd\u5728\u540c\u4e00\u4f1a\u573a\u5185\u4f20\u64ad\u4e00\u6837\uff0c\u56e0\u6b64\u5728\u7531\u51e0\u767e\u53f0\u751a\u81f3\u4e0a\u5343\u53f0\u7535\u8111\u6784\u6210\u7684\u5927\u4e2d\u578b\u5c40\u57df\u7f51\u4e2d\uff0c\u4e00\u822c\u8fdb\u884c\u5b50\u7f51\u5212\u5206\uff0c\u5c31\u50cf\u5c06\u4e00\u4e2a\u5927\u5385\u7528\u5899\u58c1\u9694\u79bb\u6210\u8bb8\u591a\u5c0f\u5385\u4e00\u6837\uff0c\u4ee5\u8fbe\u5230\u9694\u79bb\u5e7f\u64ad\u98ce\u66b4\u7684\u76ee\u7684\u3002 \u3000\u3000\u5728IP\u7f51\u7edc\u4e2d\uff0c\u5e7f\u64ad\u5730\u5740\u7528IP\u5730\u5740\u201c255.255.255.255\u201d\u6765\u8868\u793a\uff0c\u8fd9\u4e2aIP\u5730\u5740\u4ee3\u8868\u540c\u4e00\u5b50\u7f51\u5185\u6240\u6709\u7684IP\u5730\u5740\u3002
\u2014\u2014\u2605\u591a\u64ad\u2605\u2014\u2014
\u201c\u591a\u64ad\u201d\u53ef\u4ee5\u7406\u89e3\u4e3a\u4e00\u4e2a\u4eba\u5411\u591a\u4e2a\u4eba\uff08\u4f46\u4e0d\u662f\u5728\u573a\u7684\u6240\u6709\u4eba\uff09\u8bf4\u8bdd\uff0c\u8fd9\u6837\u80fd\u591f\u63d0\u9ad8\u901a\u8bdd\u7684\u6548\u7387\u3002\u5982\u679c\u4f60\u8981\u901a\u77e5\u7279\u5b9a\u7684\u67d0\u4e9b\u4eba\u540c\u4e00\u4ef6\u4e8b\u60c5\uff0c\u4f46\u662f\u53c8\u4e0d\u60f3\u8ba9\u5176\u4ed6\u4eba\u77e5\u9053\uff0c\u4f7f\u7528\u7535\u8bdd\u4e00\u4e2a\u4e00\u4e2a\u5730\u901a\u77e5\u5c31\u975e\u5e38\u9ebb\u70e6\uff0c\u800c\u4f7f\u7528\u65e5\u5e38\u751f\u6d3b\u7684\u5927\u5587\u53ed\u8fdb\u884c\u5e7f\u64ad\u901a\u77e5\uff0c\u5c31\u8fbe\u4e0d\u5230\u53ea\u901a\u77e5\u4e2a\u522b\u4eba\u7684\u76ee\u7684\u4e86\uff0c\u6b64\u65f6\u4f7f\u7528\u201c\u591a\u64ad\u201d\u6765\u5b9e\u73b0\u5c31\u4f1a\u975e\u5e38\u65b9\u4fbf\u5feb\u6377\uff0c\u4f46\u662f\u73b0\u5b9e\u751f\u6d3b\u4e2d\u591a\u64ad\u8bbe\u5907\u975e\u5e38\u5c11\u3002
\u5e7f\u64ad\uff1a
\u4e3b\u673a\u4e4b\u95f4\u201c\u4e00\u5bf9\u6240\u6709\u201d\u7684\u901a\u8baf\u6a21\u5f0f\uff0c\u7f51\u7edc\u5bf9\u5176\u4e2d\u6bcf\u4e00\u53f0\u4e3b\u673a\u53d1\u51fa\u7684\u4fe1\u53f7\u90fd\u8fdb\u884c\u65e0\u6761\u4ef6\u590d\u5236\u5e76\u8f6c\u53d1\uff0c\u6240\u6709\u4e3b\u673a\u90fd\u53ef\u4ee5\u63a5\u6536\u5230\u6240\u6709\u4fe1\u606f\uff08\u4e0d\u7ba1\u4f60\u662f\u5426\u9700\u8981\uff09\uff0c\u7531\u4e8e\u5176\u4e0d\u7528\u8def\u5f84\u9009\u62e9\uff0c\u6240\u4ee5\u5176\u7f51\u7edc\u6210\u672c\u53ef\u4ee5\u5f88\u4f4e\u5ec9\u3002\u6709\u7ebf\u7535\u89c6\u7f51\u5c31\u662f\u5178\u578b\u7684\u5e7f\u64ad\u578b\u7f51\u7edc\uff0c\u6211\u4eec\u7684\u7535\u89c6\u673a\u5b9e\u9645\u4e0a\u662f\u63a5\u53d7\u5230\u6240\u6709\u9891\u9053\u7684\u4fe1\u53f7\uff0c\u4f46\u53ea\u5c06\u4e00\u4e2a\u9891\u9053\u7684\u4fe1\u53f7\u8fd8\u539f\u6210\u753b\u9762\u3002\u5728\u6570\u636e\u7f51\u7edc\u4e2d\u4e5f\u5141\u8bb8\u5e7f\u64ad\u7684\u5b58\u5728\uff0c\u4f46\u5176\u88ab\u9650\u5236\u5728\u4e8c\u5c42\u4ea4\u6362\u673a\u7684\u5c40\u57df\u7f51\u8303\u56f4\u5185\uff0c\u7981\u6b62\u5e7f\u64ad\u6570\u636e\u7a7f\u8fc7\u8def\u7531\u5668\uff0c\u9632\u6b62\u5e7f\u64ad\u6570\u636e\u5f71\u54cd\u5927\u9762\u79ef\u7684\u4e3b\u673a\u3002

其实很简单,广播用的是UDP协议,UDP在传输层,传输层在网络层之上

  • 鍦ㄤ竴涓箍鎾殑缃戠粶涓,涓轰粈涔堥渶瑕缃戠粶灞?
    绛旓細鍏跺疄寰堢畝鍗,骞挎挱鐢ㄧ殑鏄疷DP鍗忚,UDP鍦ㄤ紶杈撳眰,浼犺緭灞鍦ㄧ綉缁灞備箣涓
  • 鍦骞挎挱缃戠粶涓,OSPF鍗忚瑕侀夊畾涓涓鎸囧畾璺敱鍣(DR),鎸囧畾璺敱鍣ㄧ殑鍔熻兘鏄...
    绛旓細涓哄噺灏戠綉缁滀腑鐨勯摼璺姸鎬佺‘璁ゅ垎缁凩SA娉涙椽浼犳挱锛孫SPF浼氬湪姣忎竴涓綉缁滀腑閫変妇涓涓寚瀹氳矾鐢卞櫒 DR鍜屼竴涓鐢ㄦ寚瀹氳矾鐢卞櫒BDR銆傜綉缁滀腑鐨勮矾鐢卞櫒閮藉彧涓嶥R銆丅DR寤虹珛鍏ㄧ浉閭荤殑閭绘帴鍏崇郴锛屽叾浠栬矾鐢卞櫒涔嬮棿涓嶄細寤虹珛鍏ㄧ浉閭荤殑OSPF閭绘帴鍏崇郴銆傚湪OSPF...
  • 鍦骞挎挱缃戠粶涓,OSPF鍗忚瑕侀夊嚭涓涓鎸囧畾璺敱鍣(DesignatedRouter,DR...
    绛旓細杩欐牱鍋氱殑濂藉鏄噺灏戜簡璺敱鍣ㄤ箣闂翠氦鎹俊鎭犳垚鐨勭綉缁滄嫢濉銆傚尯鍩熷唴閮ㄧ殑璺敱涓昏鐢辫矾鐢卞櫒閫氳繃閭绘帴鍏崇郴锛屼粠DR澶勮幏寰楁湰鍖哄煙鐨勫畬鏁寸殑缃戠粶鎷撴墤锛屽湪姝ゅ熀纭涓婄敤Dijkstra绠楁硶璁$畻鏁翠釜缃戠粶鐨勬嫇鎵戝浘,褰㈡垚璺敱琛紝鏉ヨ繘琛屽尯鍩熷唴閮ㄧ殑璺敱銆傚尯鍩熶箣...
  • 缃璺腑鐨骞挎挱鍦板潃鏈浠涔浣滅敤
    绛旓細缃戣矾涓殑骞挎挱鍦板潃鏈浠涔浣滅敤 IP缃戣矾涓婁紶閫佽祫璁兘鏄鏈塈P鍦板潃鐨勶紝濡傛灉涓涓綉璺唴鏈10鍙扮數鑴戯紝鍏朵腑涓鍙扮數鑴戣缁欐墍鏈夌殑鐢佃剳浼犻佽祫璁紝濡傛灉娌℃湁骞挎挱鍔熻兘锛岄偅杩欏彴鐢佃剳闇瑕鍙戝嚭9鏉¤祫璁紝鍒嗗埆浠9鍙扮數鑴戠殑鍦板潃鏍囪瘑銆傛湁浜嗗箍鎾氨...
  • 1.20涓轰粈涔璇翠氦鎹㈠紡浠ュお缃鏄涓涓箍鎾鍩?璁ㄨ涓涓嬪箍鎾甫鏉ョ殑
    绛旓細4涓氦鎹㈡満鎺ヤ竴璧凤紝鐩稿綋浜庢妸4涓氦鎹㈡満绾ц仈鎴愪竴涓ぇ鐨勮櫄鎷熶氦鎹㈡満锛屾墍鏈変氦鎹㈡満鍦ㄦ湭鍋歷lan鍒掑垎鐨勫墠鎻愪笅閮藉浜庝竴涓獀lan 1涓紝杩樻槸澶勪簬澶勪簬鍚涓涓箍鎾鍩熶腑銆 瑙e喅鍔炴硶灏辨槸鍒掑垎vlan,涓嶅悓vlan涔嬮棿骞挎挱涓嶉氥
  • 涓轰粈涔灞鍩缃戜腑缁忓父浣跨敤骞挎挱鏂瑰紡鑰屽箍鍩熺綉涓矗涓嶄娇鐢?
    绛旓細鍥犱负灞鍩熺綉鐨勮窛绂荤煭锛屽苟涓涓涓缃戞閮芥槸褰掍簬涓涓皬鐨勫崟浣嶆墍鏈夛紝鍏朵繚瀵嗘ф病鏈夊箍鍩熺綉瑕佹眰楂橈紝鎵浠ラ噰鍙栧箍鎾氫俊銆傚啀璇村箍鍩熺綉骞挎挱鐨璇濆氨浼氬嚭鐜版贩涔辩殑鎯呭喌锛佸氨鏄富鏈猴紝璺敱鍣ㄧ瓑璁惧澶锛岄兘骞挎挱璧锋潵缃戠粶瑕鐦棯浜嗭紒
  • 缃戠粶鍦板潃鍜骞挎挱鍦板潃鏄骞蹭粈涔鐢ㄧ殑
    绛旓細濡傛灉鏈変竴鍙版満鍣ㄦ槸缃戝叧浠栧氨浼氬洖搴 鎵浠ヨ繖涓や釜鍦板潃鏄繚鐣欑粰缃戠粶鐢ㄧ殑 涓嶈兘鍋欼P浣跨敤 杩欎袱涓湴鍧鏄満鍣ㄨ嚜鍔ㄨ瘑鍒殑 鍦ㄦ墍鏈夋満鍣ㄤ笂搴旂敤 姣忓彴鏈哄櫒涓婄殑骞挎挱鍦板潃閮芥槸192.168.1.255 鑰屽彧瑕侀厤缃簡192.168.1.x鑼冨洿鍐呯殑缃戞鐨勬満鍣 ...
  • 骞挎挱椋庢毚:濡備綍瑙e喅杩欎釜闂?
    绛旓細瀹冧滑涓嶄粎闇瑕鐭ラ亾濡備綍鍒拌揪涓嬪眰缃戠粶鐨勬瘡涓涓璺緞,杩樿缁存姢搴炲ぇ鐨勮矾鐢辫〃,瀵圭綉缁滅姸鎬佺殑鍙樺寲鍋氬嚭杩呴熷弽搴斻傝屽湪鍥尯缃戝唴,璺敱鍣ㄧ殑浣滅敤鏄垎闅斿瓙缃,淇濊瘉姣忎竴涓瓙缃戝湪閫昏緫涓婄殑鐙珛鎬с傝矾鐢卞櫒鏄垎闅斿畠浠殑鍞竴璁惧,璐熻矗瀛愮綉闂寸殑鎶ユ枃杞彂鍜骞挎挱闅旂...
  • 褰撳墠缃戠粶涓渶瑕娣诲姞涓涓鏂扮殑VLAN銆備负浜嗚揪鍒扮洰鐨勬渶灏戦渶瑕佸摢浜涙楠?
    绛旓細鍦ㄨ绠楁満缃戠粶涓紝涓ゅ眰缃戠粶鍙互鍒嗕负鍑犱釜涓嶅悓鐨骞挎挱鍩燂紝鍏朵腑涓涓鐢ㄤ簬鐗瑰畾鐨勭敤鎴风粍銆傜己鐪佹儏鍐典笅锛岃繖浜涗笉鍚岀殑骞挎挱鍩熸槸鐩镐簰闅旂鐨勩備笉鍚岀殑骞挎挱鍩闇瑕閫氳繃涓涓垨澶氫釜璺敱鍣ㄨ繘琛岄氫俊銆傝繖鏍风殑骞挎挱鍩熺О涓篤LAN銆
  • 鍋囪缁撶偣A銆丅鍜孋閫氳繃瀹冧滑鐨勯傞厤鍣ㄨ繛鎺ュ湪鍚涓涓箍鎾灞鍩熺綉涓娿傚鏋淎鍚...
    绛旓細閫傞厤鍣ㄥ叿鏈夎繃婊ゅ姛鑳姐傚綋灏佽甯ф湁B鐨凪AC鍦板潃锛孋鐨勯傞厤鍣ㄤ細鍏堟帴鏀惰繖浜涘抚锛岀劧鍚庨氳繃纭欢妫鏌AC甯т腑鐨勭洰鐨勫湴鍧锛岃繖鏃舵鏌ュ埌涓嶆槸璇ョ珯鐨勫抚灏卞皢鍏朵涪寮冿紝鍥犳涓嶄細灏嗘妸杩欎簺甯т腑鐨処P鏁版嵁鎶ヤ紶閫佺粰C鐨勭綉缁灞傘傚鏋滄槸鐢骞挎挱鍦板潃锛屽垯C...
  • 扩展阅读:校园广播系统设备价格 ... 怎么判断ip是广播地址 ... 公共广播系统设备接线 ... 组播和广播的区别 ... 中国广播之声在线收听 ... 广播电台为什么不淘汰 ... 校园智能广播系统设备 ... 航天广电校园广播系统 ... 广播电台为什么不会被取消 ...

    本站交流只代表网友个人观点,与本站立场无关
    欢迎反馈与建议,请联系电邮
    2024© 车视网