{"id":53276,"date":"2019-11-28T00:00:00","date_gmt":"2019-11-27T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/bitva-l2tp-rras-vs-softether"},"modified":"2020-02-18T14:01:10","modified_gmt":"2020-02-18T11:01:10","slug":"bitva-l2tp-rras-vs-softether","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/administrirovanie\/bitva-l2tp-rras-vs-softether","title":{"rendered":"Bitka L2TP, RRAS protiv SoftEther","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Bitka<\/a><\/noindex>
\n\u201eSlika ukradena sa zapada za privla\u010denje pa\u017enje\u201c<\/i><\/p>\n

U na\u0161im prethodnim \u010dlancima govorili smo kako raditi sa VDS<\/a><\/noindex> na Windows Server Core 2019 na na\u0161em novom UltraLight planu za 99 kuna mjese\u010dno. Predla\u017eemo jo\u0161 jedan na\u010din kori\u0161tenja ovog plana. Ovog puta govorimo o tome \u0161to je bolje odabrati ako vam je potreban VPN za lijene ili stati\u010dka IP adresa, koja je, usput re\u010deno, prikladnija za kori\u0161tenje umjesto Hamachija i svega ostalog, ako \u017eelite igrati Heroes ili Warcraft 3 u lokalnoj mre\u017ei. Ne\u0107emo se baviti konfiguracijom, razgovarat \u0107emo o performansama.
\n<\/a><\/noindex><\/p>\n

Metodologija testiranja<\/h2>\n

\nRRAS i SoftEther odabrani su zbog jednostavnosti instalacije, podr\u0161ke za L2TP protokol i mogu\u0107nosti upravljanja preko GUi.<\/p>\n

Za SoftEther i RRAS kori\u0161tena je povezanost preko L2TP s zajedni\u010dkim klju\u010dem putem standardnih sredstava Windowsa. Kako se instaliralo, tako je i testirano.<\/p>\n

Kao operativni sustav za SoftEther kori\u0161tena je Ubuntu 18.04 LTS, a za RRAS Windows Server Core 2019. Sve operativne sustave prije testova su primili najnovija a\u017euriranja do stanja 21.11.2019.\u00a0<\/p>\n

Na virtualnu ma\u0161inu Hyper-V druge generacije instalirano je 1 GB RAM-a, kao i ograni\u010denja na procesor. Redoslijed izvr\u0161avanja testnih grupa je sljede\u0107i:<\/p>\n

Na svim 8 jezgri:<\/p>\n

    \n
  1. Bez ograni\u010denja<\/li>\n
  2. Ograni\u010denje na 50%<\/li>\n
  3. Ograni\u010denje na 25%<\/li>\n
  4. Ograni\u010denje na 5%<\/li>\n
  5. Ograni\u010denje na 1%<\/li>\n<\/ol>\n

    \nNa 4 jezgre:<\/p>\n

      \n
    1. Bez ograni\u010denja<\/li>\n
    2. Ograni\u010denje na 50%<\/li>\n
    3. Ograni\u010denje na 25%<\/li>\n
    4. Ograni\u010denje na 5%<\/li>\n
    5. Ograni\u010denje na 1%<\/li>\n<\/ol>\n

      \nNa jednoj jezgri:<\/p>\n

        \n
      1. Bez ograni\u010denja<\/li>\n
      2. Ograni\u010denje na 50%<\/li>\n
      3. Ograni\u010denje na 25%<\/li>\n
      4. Ograni\u010denje na 5%<\/li>\n
      5. Ograni\u010denje na 1%<\/li>\n<\/ol>\n

        \nNa svim VPN serverima kori\u0161tene su unaprijed postavljene konfiguracije i uklju\u010den je NAT. Sve virtualne ma\u0161ine nalaze se na istom hostu i na istom virtualnom switchu.<\/p>\n

        Kako bismo procijenili rad mre\u017ee, testiranje je provedeno izme\u0111u servera i klijenta bez povezivanja putem VPN-a.<\/p>\n

        Test je proveden pomo\u0107u TamoSoft Throughput Test u TCP only re\u017eimu, za tablice i grafove su uzete vrijednosti 'prosje\u010dno'. Podaci su prikupljani tijekom 5 minuta i 30 sekundi za svaki test.<\/p>\n

        Za bolje razumijevanje ograni\u010denja oba rje\u0161enja, prvo \u0107emo testirati propusnost virtualnog switcha.<\/p>\n

        \"Bitka
        \nOvako su izgledali rezultati u testnom programu. Svi rezultati \u0107e biti zapakirani u tablice.<\/p>\n

        Kao \u0161to vidimo, virtualni switch nije usko grlo u testiranju i gotovo dosti\u017ee teorijski limit od 10 gigabita.<\/p>\n

        \"Bitka
        \nKako je \u201efizi\u010dki\u201c izgledala testna mre\u017ea<\/i><\/p>\n

        Rezultati:<\/h2>\n

        \nNa jednoj jezgri:<\/p>\n

        \"Bitka
        \n\"Bitka
        \nU disciplini na jednoj jezgri oba servera idu rame uz rame.<\/p>\n

        Na 4 jezgre:<\/p>\n

        \"Bitka
        \n\"Bitka
        \nNa 8 jezgri:<\/p>\n

        \"Bitka
        \n\"Bitka
        \nOvdje jasno vidimo koja se rje\u0161enja najbolje skaliraju s brojem jezgri. Smanjuju\u0107i performanse svake jezgre, RRAS je nadoknadio gubitak s brojem jezgri, \u0161to SoftEther nije u\u010dinio.<\/p>\n

        Potro\u0161nja RAM-a sustavom<\/b><\/i><\/p>\n

        \"Bitka
        \nKoli\u010dina RAM-a koju koristi SoftEther porasla je s brojem jezgri, s 122 na 177 MB, ali i dalje je manja nego kod RRAS-a.<\/p>\n

        Sama usluga RRAS zauzima oko 200 megabajta u memoriji, isklju\u010duju\u0107i ukupnu potro\u0161nju sustava.<\/p>\n

        Propusnost u razli\u010ditim uvjetima<\/b><\/i><\/p>\n

        \"Bitka
        \nUkupna propusnost bez ikakvih ograni\u010denja na procesor.<\/p>\n

        \"Bitka
        \nAko jo\u0161 niste odabrali odgovaraju\u0107e rje\u0161enje za vas, mo\u017eda \u0107e vam ova tablica pomo\u0107i u dono\u0161enju odluke. Prikazana je ukupna propusnost u re\u017eimu deficita CPU-a.<\/p>\n

        \"Bitka
        \nObratite pa\u017enju da je na \u010detiri i jednoj jezgri performansa SoftEther-a vi\u0161a nego na osam. Ova niska performansa se nigdje ne vidi, ali samo testiranje pokazuje kako se algoritam zapravo dobro skalira s brojem jezgri.<\/p>\n

        Zaklju\u010dak:<\/h2>\n

        \nPovezivanje sa SoftEther-om uz ograni\u010denje procesora nije i\u0161lo u prvom poku\u0161aju, prvo je trebalo pove\u0107ati limit, spojiti se i tek tada smanjiti limit, \u0161to postavlja ograni\u010denje na njegovu instalaciju u izrazito tankim okru\u017eenjima. RRAS se uvijek brzo prijavljivao.<\/p>\n

        Ako imate strojeve s mnogo jezgri, radije odaberite RRAS. A za SoftEther mo\u017eete ostaviti i 4 jezgre. Autor bi ga, da ga koristi, ostavio s samo jednom jezgrom.<\/p>\n

        \u0160to i gdje postaviti \u2013 odlu\u010dite sami. Ako imate 99 rubalja na VPS<\/a><\/noindex> Windows Serveru, optimalan izbor \u0107e i dalje biti RRAS.\u00a0<\/p>\n

        \"Bitka<\/a><\/noindex>
        \n
        Izvor:         habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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