標題: IPv6 needed, but when? [打印本頁] 作者: jacky002 時間: 2008-2-20 12:40 PM 標題: IPv6 needed, but when? Conflicting stories of IPv6 1 e$ ?8 z; k, L" o& q ^/ o2 S5 f/ R0 ?& D! t( d9 t
Network Architecture Alert Newsletter By Jeff Caruso, Network World, 02/19/08 U7 P0 V, r/ }/ A0 t/ C 8 a$ Q$ k! T/ ^( @% rIPv6 has been written off for years, but the issues that it is designed to address are not going away. These days, you see seemingly conflicting stories in the press - some say we need to change from IPv4 to IPv6 any day now, and other stories saying the need is not so great. But above all the noise, IPv6 adoption is steadily picking up. 3 c+ I+ d2 o: w$ ?0 |3 i2 r! @8 q
For example, Extreme Networks last week announced that it helped a community college make the transition to a network that supports Internet2 applications and IPv6. Bucks County (Pa.) Community College and its 10,000 students got a network that supports IPv4 and IPv6 switching and routing, and 10 Gigabit Ethernet in the core.% G! }) U6 Z8 A5 o
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Extreme's IPv6 support in hardware was a big part of the decision and the school says the transition to the new version of the protocol was "very simple." * L8 I3 J6 V% @* |! w, V3 v) g' `( s7 _0 n& G1 h- q% [$ f
At the same time, you hear that many IT professionals aren't really looking at IPv6 yet. The widely held perception is that IPv4 still has a lot of life left in it, in terms of address space. And then we hear that IPv4 addresses could now become "tradeable goods"; this may delay the need for IPv6 further, but it's unclear how long of a delay that would be.% A8 v; n) D2 n1 x
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Jeff Doyle has written about IPv4 address depletion in the past in his Cisco Subnet blog; his most recent post on the topic, written in the fall, detailed where we stand on IP address blocks.4 S5 e2 s8 b3 p6 d
8 t5 M% h% M2 ^Many experts agree that we need to move to IPv6 to avoid a large-scale IP address crisis; the question is, when? The answer at least appears to be a moving target, and that only continues to confuse IT pros.3 j! y8 V+ |9 S
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All contents copyright 1995-2008 Network World, Inc. http://www.networkworld.com C! s& B7 s+ n, J. g3 g - ~' B9 ~" z1 ^; |3 H) Q2 MSource: http://www.networkworld.com/newsletters/lans/2008/0218lan1.html作者: jacky002 時間: 2008-2-20 12:47 PM
最近幾年,一直在喊IPv4架構的IP address,所有的作業系統(Windows/ Mac OS/ Linux)要趕緊準備移向IPv6以備未來之需。前一陣子,Survey了一般的Router(包含Linksys/Zyxel/DLink/NetGear/ Belking)竟然只有Linksys WRVS4400N有支援,其他的都沒有相關的設定介面。 % n; a( o# V+ V. j/ N/ R! ` , `( W! ` {! l2 a6 h8 y/ u" ^' Y. S我想,大概L2/L3 Switch支援的程度目前是最完整的吧!, i2 x1 x: E* [" m
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不曉得網友們對此主題IPv6何時會成為主流的看法如何?作者: jacky002 時間: 2008-2-21 06:53 AM 標題: ICANN踢出臨門一腳 IPv6協定普及在望 明雲青╱台北 / ]) N- G" s0 J% G! i3 z) z/ p/ E; r: w5 E6 S
欲求IPv6協定之普及化,近日出現重大進展!網際網路網域名稱與位址管理機構(ICANN),已首次向全球13個Root Server網路之上的檔案與資料庫裡頭,增加IPv6位址,如此便意謂著,ICANN已然正式啟動IPv6協定的普及化進程。 1 ^5 q0 h7 L* O) m0 X& O" A9 w- c 1 a2 V* b/ K5 o9 q! n5 E4 x: ~據悉,當前全球網際網路係採用IPv4協定,本質上屬於32位元的位址空間,故箇中資源極其有限,至於而下一代協定- IPv6,則是屬於128位元位址空間,幾乎能夠提供無止盡的IP位址資源。而現階段即便已經有數個國家,已開始採用IPv6位址,惟因全球13個 Root Server都使用IPv4協定,所以這些國家所採用的IPv6,也被迫「紆尊降貴」在IPv4大框架之中。作者: amatom 時間: 2011-5-5 11:37 AM
Arbor Networks發表首份IPv6研究報告確立全球IPv6導入基準線 將為網際網路協會的世界IPv6日提供監測支援, j" |0 r( p8 i. C5 y4 |0 z
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下一代資料中心與通訊網路營運商安全和管理解決方案頂級供應商Arbor Networks公司(Arbor Networks, Inc.)日前發表涵蓋北美和歐洲六大服務供應商IPv6流量的最新研究成果。在研究期間,Arbor Networks總共分析了超過每秒8兆百萬位元(terabit)的累積性域間(inter-domain)流量,總計超過20 exabyte。完整的研究報告可從Arbor Networks公司部落格獲得。; B, J3 T) z9 _" g- \4 X! K5 u
( U. t: E, j9 d- W! A% J' jArbor公司同時宣佈將為二○一一年六月八日的世界IPv6日提供流量監測支援。世界IPv6日是IPv6的「首次全球性試驗」,當天Google、Facebook、Yahoo!、Akamai 和Limelight等主要內容營運商將能夠在其伺服器上運行原始IPv6。活動的目標是收集網際網路範圍的IPv6測量資料,同時協助排除任何性能問題。 9 |, z. L% D4 o8 m : X: L7 m" |; PYankee Group副總裁Jennifer Pigg表示:「IPv6的導入是網際網路基礎架構的重要演進,Arbor Networks已經使用其ATLAS流量監測系統,為IPv6的導入提供早期和持續的監察。世界IPv6日僅僅是為期多年的IPv6過渡計劃的開端。有了來自ATLAS的資料,我們現在擁有測量過渡進展的基準線。」作者: amatom 時間: 2011-5-5 11:37 AM
自二○○七年以來,Arbor Networks公司利用其ATLAS網際網路監測系統來開發IPv6導入的全球基準線。Arbor公司使用ATLAS來結合廣泛的黑暗網路(darknet)感測器網路與來自100多個客戶網路的匿名流量資料。使用這些資料,Arbor研究人員能夠開發出穿越構成網際網路核心的主幹網路的流量的全球範圍視圖。利用這一獨特優勢,Arbor公司擁有提供全球IPv6導入狀況情報的理想條件。 g/ G; [& d" V 8 Z e1 E7 I* m0 J: X自二○一○年夏末,Arbor公司的部分客戶已經升級主幹基礎架構 (路由器和監測設備),同時在大部分網路上達成v9Flow輸出。本報告分析了北美和歐洲六大服務提供商自二○一○年十月到二○一一年二月的原始v6流量。 $ E- t5 H$ X7 V. z" S- `* i8 Y- ^ " Z+ Q6 A6 ]2 o! U) ]8 iArbor Networks公司首席科學家Craig Labovitz表示:「IPv6轉換是網際網路重大的關鍵性演進的一步。Arbor公司與世界各地的營運商合作,期待為今年六月八日首次IPv6全球性大規模測試提供關鍵的測量資料。」作者: atitizz 時間: 2011-6-3 10:24 AM
IPv6專家Cricket Liu推出全球網路直播節目,帶領大家迎接世界IPv6日,為過渡至IPv6做好準備 R" ~, e2 I/ g6 R