{"id":31118,"date":"2019-10-31T21:39:35","date_gmt":"2019-10-31T18:39:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/seti-dlya-samyh-malenkih-chast-oj-vsyo\/"},"modified":"2019-10-31T21:39:35","modified_gmt":"2019-10-31T18:39:35","slug":"seti-dlya-samyh-malenkih-chast-oj-vsyo","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/seti-dlya-samyh-malenkih-chast-oj-vsyo","title":{"rendered":"Reti per i pi\u00f9 piccoli. Parte uno, tutto","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Cari amici, coraggiosi critici, lettori silenziosi e segreti sostenitori, la SDSM sta finendo.<\/p>\n<p><img decoding=\"async\" alt=\"Reti per i pi\u00f9 piccoli. Parte uno, tutto\" src=\"\/wp-content\/uploads\/2019\/04\/17638cd617ae74e059fbb95fd3dc7389.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNon posso vantarmi di aver toccato tutti i temi del campo delle reti in 7 anni n\u00e9 di averne trattato uno completamente. Ma non era neanche questo l'obiettivo. L'intento di questa serie di articoli era di introdurre il giovane studente mano nella mano in questo mondo, guidandolo passo dopo passo nella galleria principale, fornendo una panoramica generale e proteggendolo da dolorosi vagabondaggi per i bui angoli della coscienza di Olifer e Olifer, nelle disperate tentativi di trovare una risposta alla domanda su come applicare tutto questo nella vita.<br \/>\nLa SDSM era prevista come un breve corso pratico \"come imparare in rete in un mese\", ma si \u00e8 trasformata in 16 (in realt\u00e0 19) episodi lunghi, che abbiamo persino rinominato in \"Reti per i pi\u00f9 resistenti\". Il numero totale di caratteri ha superato 1.000.000. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nSarebbe stato giusto soffermarsi su BGP, ma con MPLS non riesco a entrare in IP \u2014 ho dovuto prenderlo. Forse avrei dovuto evitare il Traffic Engineering, ma dato che mi sono gi\u00e0 dedicato a L2VPN, come fermarmi? L'architettura hardware \u00e8 un'introduzione imprescindibile al QoS. E QoS \u00e8 stato richiesto cos\u00ec a lungo che non si poteva non scriverne. Insomma, non c'\u00e8 nulla da cui liberarsi.<br \/>\nL'ultima articolo aveva in programma di essere una sorta di raccolta delle best practice (suggerite un sinonimo gradevole e lo sostituir\u00f2) sul design delle reti di provider, ma col passare del tempo e dell'esperienza \u00e8 diventato chiaro che non solo \u00e8 un vastissimo insieme di approcci, ma anche un terreno fertile per accese discussioni. E perch\u00e9 fermarsi solo ai provider? E gli operatori di telecomunicazioni? E i data center? E le reti aziendali?<\/p>\n<p>Non si pu\u00f2 dire: fate cos\u00ec ed \u00e8 corretto. Non si pu\u00f2 insegnare a un ingegnere a progettare \u2014 deve crescere in questo, attraversando le proprie spine.<\/p>\n<p>\u00c8 esattamente ci\u00f2 che offre SD-WAN \u2014 un sentiero quasi impercettibile dal semplice al complesso.<\/p>\n<p><b class=\"spoiler_title\">\u0412\u043e\u0442 \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0432\u0441\u0435\u0433\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c&#8230;<\/b> <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/420525\/\">15. Reti per i pi\u00f9 esperti. Quindicesima parte. QoS<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/345270\/\">14. Reti per gli esperti. Parte quattordicesima. Il percorso del pacchetto<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/338578\/\">13. Reti per gli esperti. Parte tredicesima. Ingegneria del traffico MPLS<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/linkmeup.ru\/blog\/301.html\">12.2. Reti per gli esperti. Microepisodio \u21168. Multihoming EVPN<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/316792\/\">12.1. Reti per gli esperti. Microepisodio \u21167. MPLS EVPN<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/315028\/\">12. Reti per gli esperti. Parte dodicesima. MPLS L2VPN<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/306180\/\">11.1. Reti per i pi\u00f9 piccoli. Microepisodio \u21166. MPLS L3VPN e accesso a Internet<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/273679\/\">11. Reti per i pi\u00f9 piccoli. Parte undicesima. MPLS L3VPN<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/246425\/\">10. Reti per i pi\u00f9 piccoli. Parte decima. MPLS di base<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/217585\/\">9. Reti per i pi\u00f9 piccoli. Parte nona. Multicast<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/197516\/\">8.1 Reti per i pi\u00f9 piccoli. Microepisodio \u21163. IBGP<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/184350\/\">8. Reti per i pi\u00f9 piccoli. Parte ottava. BGP e IP SLA<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/170895\/\">7. Reti per i pi\u00f9 piccoli. Parte settima. VPN<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/156695\/\">6. Reti per i pi\u00f9 piccoli. Parte sesta. Instradamento dinamico<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/147996\/\">5. Reti per i pi\u00f9 piccoli. Parte quinta. NAT e ACL<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/143768\/\">4. Reti per i pi\u00f9 piccoli. Parte quarta. STP<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/140552\/\">3. Reti per i pi\u00f9 piccoli. Parte terza. Instradamento statico<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/138043\/\">2. Reti per i pi\u00f9 piccoli. Parte seconda. Commutazione<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/136056\/\">1. Reti per i pi\u00f9 piccoli. Parte prima. Collegamento all'attrezzatura Cisco<\/a><\/noindex><br \/>\n <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/134892\/\">0. Reti per i pi\u00f9 piccoli. Parte zero. Pianificazione<\/a><\/noindex><\/p>\n<p>Un sacco di persone hanno contribuito, chi con la testa, chi con le mani, alla scrittura di questi articoli:<\/p>\n<p><b class=\"spoiler_title\">\u0423\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0438&#8230;<\/b><\/p>\n<ul>\n<li> <strong>Max aka gluck<\/strong> \u2014 co-autore dei primi articoli e autore della quarta parte su STP e del capitolo IP SLA nell'ottava. Inoltre, \u00e8 amministratore del progetto da oltre 5 anni.<\/li>\n<li> <strong>Natasha Samoylenko<\/strong> \u2014 materiali aggiuntivi, esercizi e le loro soluzioni per molte edizioni. E anche un supporto che non pu\u00f2 essere sopravvalutato.<\/li>\n<li> <strong>Dmitry aka JDima<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Alex Klipper<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Dmitry Figol<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Marat Babayan aka botmoglotx<\/strong> \u2014 autore delle edizioni su EVPN e delle foto per l'edizione 14.<\/li>\n<li> <strong>Andrey Glazkov aka glazgoo<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Alexander Klimenko aka volk<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Alexander Fatin<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Alexey Krotov<\/strong> \u2014 critico e correttore.<\/li>\n<li> <strong>Il team linkmeup<\/strong> \u2014 revisione dei materiali.<\/li>\n<li> <strong>Anton Klochkow<\/strong> \u2014 organizzatore. Grazie a lui, il progetto ha un ambiente di laboratorio, un server di streaming e ora anche il proprio hosting per i podcast.<\/li>\n<li> <strong>Anton Avtushko<\/strong> \u2014 sviluppatore del sito, che serve fedelmente da 6 anni. LiveStreet \u00e8 ormai defunto, nessun plugin viene pi\u00f9 supportato, e il sito \u00e8 ancora vivo. E riguardo a lookmeup.linkmeup.ru, nato morto, ma con una buona idea.<\/li>\n<li> <strong>Timofey Kulin<\/strong> \u2014 amministratore e sviluppatore del sito.<\/li>\n<li> <strong>Nikita Astashenk\u043e<\/strong> \u2014 sviluppatore del sito.<\/li>\n<li> <strong>Nina Dolgopolova<\/strong> \u2014 artista illustratore. Logo e illustrazioni per il 9\u00b0 e 10\u00b0 numero.<\/li>\n<li> <strong>Pavel Silkin<\/strong> \u2014 artista illustratore (0\u00b0 e 1\u00b0 numero).<\/li>\n<li> <strong>Anastasia Metzler<\/strong> \u2014 artista illustratore (11\u00b0 numero).<\/li>\n<li> <strong>Darya Kormanova<\/strong> \u2014 artista illustratore (12\u00b0 numero).<\/li>\n<li> <strong>Artyom Chernobay<\/strong> \u2014 artista illustratore (13\u00b0, 14\u00b0 e 15\u00b0 numeri e questo articolo conclusivo).<\/li>\n<\/ul>\n<p>L'articolo su QoS \u00e8 stato l'ultimo del ciclo. Al momento della sua conclusione, era evidente quanto fossero superficiali e incompleti i primi numeri. Ma che dire dei primi?! Fino al BGP \u00e8 tutto molto pessimo.<\/p>\n<p>Inoltre, i lettori spesso trovano errori e propongono correzioni.<\/p>\n<p>L'idea di trasferire tutto su gitbook, proposta da Natasha Samoylenko, sembrava cos\u00ec attraente che l'abbiamo realizzata:<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/linkmeup.gitbook.io\/sdsm\"><img decoding=\"async\" alt=\"Reti per i pi\u00f9 piccoli. Parte uno, tutto\" src=\"\/wp-content\/uploads\/2019\/04\/ded21c8991bc1e630b3e2029807c3511.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p>Oggi ci sono la maggior parte degli articoli in versione attuale.<\/p>\n<p>\u041b\u044e\u0431\u043e\u0439 \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u0444\u043e\u0440\u043a\u043d\u0443\u0442\u044c \u043f\u0440\u043e\u0435\u043a\u0442, \u0432\u043d\u0435\u0441\u0442\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438 \u0441\u0434\u0435\u043b\u0430\u0442\u044c Pull Request \u0432 master. \u041f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a \u044f \u0435\u0433\u043e \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0443, \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u043e\u044f\u0432\u044f\u0442\u0441\u044f \u0432 gitbook&#8217;\u0435. <\/p>\n<p><noindex>Istruzioni per i giovani contributori con gli occhi accesi.<\/noindex><\/p>\n<p>Al momento non credo che ci sar\u00e0 un libro cartaceo su SDSM. Non sono ancora pronto a dedicare tempo alla riscrittura dei primi articoli per ottenere un materiale finito, bello e, soprattutto, completo sulle reti. Dopotutto, ci sono molte cose interessanti in questa vita, e con il perfezionismo, prima o poi trover\u00f2 il modo di affrontarlo.<\/p>\n<p>Un fattore non secondario nella conclusione del ciclo e nel cambiamento degli interessi \u00e8 il cambio di lavoro. <\/p>\n<p>E un breve annuncio: le nostre mani non sono per annoiarsi, ma per la grafomania. Preparatevi a una nuova serie di articoli. Sull'automazione.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/447080\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0440\u043e\u0433\u0438\u0435 \u043c\u043e\u0438 \u0434\u0440\u0443\u0437\u044c\u044f, \u043e\u0442\u0432\u0430\u0436\u043d\u044b\u0435 \u043a\u0440\u0438\u0442\u0438\u043a\u0438, \u0442\u0438\u0445\u0438\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438 \u0438 \u0442\u0430\u0439\u043d\u044b\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438, \u0421\u0414\u0421\u041c \u0437\u0430\u043a\u0430\u043d\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f. \u042f \u043d\u0435 \u043c\u043e\u0433\u0443 \u043f\u043e\u0445\u0432\u0430\u0441\u0442\u0430\u0442\u044c\u0441\u044f \u0442\u0435\u043c, \u0447\u0442\u043e \u0437\u0430 7 \u043b\u0435\u0442 \u044f \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u043b \u0432\u0441\u0435 \u0442\u0435\u043c\u044b \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0441\u0444\u0435\u0440\u044b \u0438\u043b\u0438 \u0442\u0435\u043c, \u0447\u0442\u043e \u0445\u043e\u0442\u044f \u0431\u044b \u043e\u0434\u043d\u0443 \u0438\u0437 \u043d\u0438\u0445 \u0440\u0430\u0441\u043a\u0440\u044b\u043b \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e. \u041d\u043e \u044d\u0442\u043e \u0438 \u043d\u0435 \u0431\u044b\u043b\u043e \u0446\u0435\u043b\u044c\u044e. \u0410 \u0446\u0435\u043b\u044c\u044e \u044d\u0442\u043e\u0439 \u0441\u0435\u0440\u0438\u0438 \u0441\u0442\u0430\u0442\u0435\u0439 \u0431\u044b\u043b\u043e \u0432\u0432\u0435\u0441\u0442\u0438 \u044e\u043d\u043e\u0433\u043e \u0441\u0442\u0443\u0434\u0435\u043d\u0442\u0430 \u0437\u0430 \u0440\u0443\u043a\u0443 \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23086,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-31118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0440\u043e\u0433\u0438\u0435 \u043c\u043e\u0438 \u0434\u0440\u0443\u0437\u044c\u044f, \u043e\u0442\u0432\u0430\u0436\u043d\u044b\u0435 \u043a\u0440\u0438\u0442\u0438\u043a\u0438, \u0442\u0438\u0445\u0438\u0435 \u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438 \u0438 \u0442\u0430\u0439\u043d\u044b\u0435 \u043f\u043e\u0447\u0438\u0442\u0430\u0442\u0435\u043b\u0438, \u0421\u0414\u0421\u041c 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