QoS縺ｫ縺ｯ3縺､縺ｮ繧｢繝ｼ繧ｭ繝�け繝√Ε縺後≠繧�QoS繧貞ｮ滄圀縺ｫ繝阪ャ繝医Ρ繝ｼ繧ｯ荳翫↓螳溯｣�☆繧矩圀縺ｫ谺｡縺ｮ3縺､縺ｮ繧｢繝ｼ繧ｭ繝�け繝√Ε縺後≠繧翫∪縺吶� 繝ｻ繝吶せ繝医お繝輔か繝ｼ繝� 繝ｻIntegrated Service(IntServ) 繝ｻDifferentiated Service(DiffServ) 莉雁屓縺ｯ縲√％繧後ｉ縺ｮQoS繧｢繝ｼ繧ｭ繝�け繝√Ε縺ｫ縺､縺�※縺皮ｴｹ莉九＠縺ｾ縺吶� |
繝吶せ繝医お繝輔か繝ｼ繝�繝吶せ繝医お繝輔か繝ｼ繝亥梛縺ｮQoS繧｢繝ｼ繧ｭ繝�け繝√Ε縺ｯ縲�菴輔ｂ迚ｹ蛻･縺ｪ蜃ｦ逅�ｒ縺帙★縺ｫ繝ｫ繝ｼ繧ｿ繧�せ繧､繝�メ縺ｪ縺ｩ縺ｮ繝阪ャ繝医Ρ繝ｼ繧ｯ繝�ヰ繧､繧ｹ縺ｫ蛻ｰ逹縺励◆鬆�分縺ｫ繝代こ繝�ヨ繧定ｻ｢騾√＠縺ｦ縺�″縺ｾ縺吶ょ芦逹縺励◆鬆�↓繝代こ繝�ヨ繧定ｻ｢騾√☆繧区婿蠑上ｒFIFO(First In First Out)縺ｨ險縺�∪縺吶�蟶ｯ蝓溷ｹ�′螟ｧ縺阪＞LAN縺ｧ縺ｯ縲∫音縺ｫ繝吶せ繝医お繝輔か繝ｼ繝医〒繧ょ撫鬘後�縺ゅ∪繧顔匱逕溘＠縺ｾ縺帙ｓ縲ゅ＠縺九＠縲�蟶ｯ蝓溷ｹ��蟾ｮ縺後≠繧九�繧､繝ｳ繝医ｄWAN縺ｪ縺ｩ縺ｧ縺ｯ縲√�繧ｹ繝医お繝輔か繝ｼ繝亥梛縺ｧ縺ｯ繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ騾壻ｿ｡縺梧ｭ｣蟶ｸ縺ｫ陦後ｏ繧後↑縺�％縺ｨ縺瑚�∴繧峨ｌ縺ｾ縺吶� 譌ｩ縺�ｩｱ縺後√�繧ｹ繝医お繝輔か繝ｼ繝医�菴輔ｂ閠�∴縺壹↓螻翫＞縺滄��分縺ｫ繝代こ繝�ヨ繧定ｻ｢騾√＠縺ｦ縺�ｋ縺�縺代〒縺吶� |
Integrated Service(IntServ)繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ繝輔Ο繝ｼ繧定ｪ崎ｭ倥＠縲√ヵ繝ｭ繝ｼ縺斐→縺ｫ繝阪ャ繝医Ρ繝ｼ繧ｯ縺ｮ蟶ｯ蝓溷ｹ�ｒ莠育ｴ�＠縺溘ｊ驕�ｻｶ繧剃ｿ晁ｨｼ縺励◆繧翫☆繧飢oS繧｢繝ｼ繧ｭ繝�け繝√Ε繧棚ntegrated Service(IntServ)縺ｨ蜻ｼ縺ｳ縺ｾ縺吶�IntServ縺ｯ縲�RSVP(Resource reSerVation Protocol)縺ｫ繧医▲縺ｦ縲√≠繧峨°縺倥ａ繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ繝輔Ο繝ｼ縺ｮ邨瑚ｷｯ荳翫↓縺ゅｋ繝�ヰ繧､繧ｹ縺ｧ縲√ロ繝�ヨ繝ｯ繝ｼ繧ｯ縺ｮ蟶ｯ蝓溷ｹ�ｒ莠育ｴ�＠縲∵怙蟆城≦蟒ｶ繧剃ｿ晁ｨｼ縺吶ｋ縺薙→縺後〒縺阪∪縺吶� 縺溘□縺励∫樟蝨ｨ縺ｮ繝阪ャ繝医Ρ繝ｼ繧ｯ荳翫↓縺ｯ髱槫ｸｸ縺ｫ螟壹￥縺ｮ繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ繝輔Ο繝ｼ縺檎匱逕溘＠縺ｾ縺吶ゅ％繧後ｉ縺ｮ繝輔Ο繝ｼ繧貞句挨縺ｫ隱崎ｭ倥＠縺ｦ蟶ｯ蝓溷ｹ�ｒ莠育ｴ�☆繧九�縺ｯ縲√≠縺ｾ繧雁柑邇�′繧医￥縺ゅｊ縺ｾ縺帙ｓ縲�IntServ縺ｯ縲∵僑蠑ｵ諤ｧ縺ｫ螟壼ｰ代�蝠城｡檎せ縺後≠繧翫∪縺吶� IntServ縺ｯ縲�螳滄圀縺ｫ繝代こ繝�ヨ繧定ｻ｢騾√☆繧句燕縺ｫ 縲後＞縺ｾ縺九ｉ繧｢繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ繝代こ繝�ヨ繧帝∽ｿ｡縺吶ｋ縺九ｉ縲∝━蜈医＠縺ｦ霆｢騾√＠縺ｦ縺ゅ￡縺ｦ縺ｭ縲� 縺ｨ縺�≧縺薙→繧偵ヱ繧ｱ繝�ヨ縺ｮ霆｢騾∫ｵ瑚ｷｯ荳翫�縺吶∋縺ｦ縺ｮ繝�ヰ繧､繧ｹ縺ｫ騾夂衍縺励∪縺吶ゅ％縺ｮ蜍穂ｽ懊ｒ繧ｷ繧ｰ繝翫Μ繝ｳ繧ｰ縺ｨ縺�▲縺ｦ縺�∪縺吶ゅ◎縺ｮ縺ゅ→縺ｫ縲∝ｮ滄圀縺ｮ繝代こ繝�ヨ繧定ｻ｢騾√＠縺ｾ縺吶� |
Diffrentiated Service(DiffServ)DiffServ縺ｯ縲√い繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ繝代こ繝�ヨ繧貞�鬘槭＠縺ｦ繧ｰ繝ｫ繝ｼ繝怜喧縺励∪縺吶ゅ◎縺ｮ繧ｰ繝ｫ繝ｼ繝励↓蟇ｾ縺励※蜆ｪ蜈亥ｺｦ繧貞ｮ夂ｾｩ縺励∝━蜈亥ｺｦ縺ｫ蠢懊§縺溯ｻ｢騾√ｒ陦後≧縺薙→縺ｫ繧医▲縺ｦQoS讖溯�繧呈署萓帙＠縺ｾ縺吶�Differentiated縺ｨ縺ｯ縲悟ｷｮ蛻･蛹悶阪〒縺吶ゅヱ繧ｱ繝�ヨ繧帝㍾隕√↑繧ゅ�縺ｨ縺昴≧縺ｧ縺ｪ縺�ｂ縺ｮ縺ｧ蟾ｮ蛻･蛹悶＠縺ｦ霆｢騾�縺励∪縺吶�IntServ縺ｨ縺ｯ逡ｰ縺ｪ繧翫．iffServ縺ｧ縺ｯ縲√い繝励Μ繧ｱ繝ｼ繧ｷ繝ｧ繝ｳ縺ｮ繝輔Ο繝ｼ繧定ｪ崎ｭ倥☆繧九ｏ縺代〒縺ｯ縺ゅｊ縺ｾ縺帙ｓ縲ゅ∪縺溘√ヱ繧ｱ繝�ヨ繧偵げ繝ｫ繝ｼ繝怜喧縺吶ｋ蝓ｺ貅悶�縲∬�逕ｱ縺ｫ豎ｺ螳壹☆繧九％縺ｨ縺後〒縺阪ｋ縺ｮ縺ｧ譟碑ｻ溘↑蜆ｪ蜈亥宛蠕｡繧定｡後≧縺薙→縺後〒縺阪∪縺吶� 蛻�｡槭＠縺溘ヱ繧ｱ繝�ヨ縺ｮ繧ｰ繝ｫ繝ｼ繝励�蜆ｪ蜈亥ｺｦ繧定｡ｨ縺吶◆繧√↓縲！P繝倥ャ繝蜀��IP Precedence繧ДSCP(Differentiated Service Code Point)縲！EEE802.1Q繧ｿ繧ｰ縺ｮCoS(Class of Service)縺ｪ縺ｩ繧剃ｽｿ縺�∪縺吶� DiffServ縺ｯ縲！ntServ縺ｨ縺ｯ逡ｰ縺ｪ繧翫∝女菫｡縺励◆繝代こ繝�ヨ繧偵◎縺ｮ縺､縺ｩ縲∝━蜈亥ｺｦ繧貞愛譁ｭ縺励※縲∝━蜈育噪縺ｫ霆｢騾√☆繧九°縺ｩ縺�°繧呈ｱｺ繧√※縺�ｋ繧上￠縺ｧ縺吶�縲� |
菴輔ｒ菴ｿ縺����縺ｧ縺ｯ縲�3遞ｮ鬘槭≠繧飢oS繧｢繝ｼ繧ｭ繝�け繝√Ε縺ｮ荳ｭ縺ｧ菴輔ｒ菴ｿ縺�ｓ縺ｧ縺励ｇ縺�ｼ�縺ｾ縲√�繧ｹ繝医お繝輔か繝ｼ繝医�QoS繧偵°縺代※縺�↑縺�％縺ｨ縺ｫ縺ｪ繧九�縺ｧ縲�勁螟悶＠縺ｾ縺吶ゆｸ闊ｬ逧�↓縺ｯDiffServ縺ｮ繧｢繝ｼ繧ｭ繝�け繝√Ε繧貞茜逕ｨ縺励※縲＿oS繧偵°縺代ｋ縺薙→縺悟､壹￥縺ｪ縺｣縺ｦ縺�∪縺吶� |
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