{"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\/sl\/blog\/administrirovanie\/bitva-l2tp-rras-vs-softether","title":{"rendered":"Bitka L2TP, RRAS proti 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 prethodnim \u010dlancima objasnili smo kako raditi sa VDS<\/a><\/noindex> na Windows Server Core 2019 u na\u0161oj novoj UltraLight tarifi po ceni od 99 rubalja mese\u010dno. Predla\u017eemo jo\u0161 jedan na\u010din kori\u0161\u0107enja ove tarife. Ovoga puta \u0107emo govoriti o tome \u0161ta je bolje odabrati ako vam je potreban VPN za lenje ili stati\u010dka IP adresa, koja je, uzgred, lak\u0161a za kori\u0161\u0107enje umesto Hamachi i svega ostalog, ako zaista \u017eelite da igrate Heroes ili Warcraft 3 putem lokalne mre\u017ee. O konfiguraciji ne\u0107e biti re\u010di, razgovara\u0107emo o performansama.
\n<\/a><\/noindex><\/p>\n

Metodologija testiranja<\/h2>\n

\nRRAS i SoftEther su izabrani zbog jednostavnosti instalacije, podr\u0161ke za L2TP protokol i mogu\u0107nosti upravljanja putem GUI-a.<\/p>\n

Za SoftEther i RRAS kori\u0161\u0107ena je povezanost putem L2TP sa zajedni\u010dkim klju\u010dem kroz standardne alate Windows-a. Kako je postavljeno, tako je i testirano.<\/p>\n

Kao operativni sistem za SoftEther kori\u0161\u0107en je Ubuntu 18.04 LTS, a za RRAS Windows Server Core 2019. Svi operativni sistemi su pre testiranja a\u017eurirani na poslednju verziju od 21.11.2019.\u00a0<\/p>\n

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

Na svih 8 jezgara:<\/p>\n

    \n
  1. Brez omejitev<\/li>\n
  2. Ograni\u010denje od 50%<\/li>\n
  3. Ograni\u010denje od 25%<\/li>\n
  4. Ograni\u010denje od 5%<\/li>\n
  5. Ograni\u010denje od 1%<\/li>\n<\/ol>\n

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

      \n
    1. Brez omejitev<\/li>\n
    2. Ograni\u010denje od 50%<\/li>\n
    3. Ograni\u010denje od 25%<\/li>\n
    4. Ograni\u010denje od 5%<\/li>\n
    5. Ograni\u010denje od 1%<\/li>\n<\/ol>\n

      \nNa jedno jezgro:<\/p>\n

        \n
      1. Brez omejitev<\/li>\n
      2. Ograni\u010denje od 50%<\/li>\n
      3. Ograni\u010denje od 25%<\/li>\n
      4. Ograni\u010denje od 5%<\/li>\n
      5. Ograni\u010denje od 1%<\/li>\n<\/ol>\n

        \nNa svim VPN serverima primenjene su pode\u0161avanja iz kutije i uklju\u010den je NAT. Sve virtuelne ma\u0161ine nalaze se na istom hostu i na istom virtuelnom switchu.<\/p>\n

        Za ocenu rada mre\u017ee testiranje je izvr\u0161eno izme\u0111u servera i klijenta bez povezivanja putem VPN-a.<\/p>\n

        Test je sproveden pomo\u0107u TamoSoft Throughput Test u re\u017eimu TCP only, za tabele i grafike uzeti su podaci \u201eave\u201c. Podaci su prikupljani tokom 5 minuta i 30 sekundi za svaki test.<\/p>\n

        Za bolje razumevanje ograni\u010denja obe implementacije, prvo \u0107emo testirati propusnost virtuelnog switcha.<\/p>\n

        \"Bitka
        \nOvako su izgledali rezultati u programu za testiranje. Dalje, svi rezultati \u0107e biti obu\u010deni u tabele.<\/p>\n

        Kao \u0161to vidimo, virtuelni 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 jedno jezgro:<\/p>\n

        \"Bitka
        \n\"Bitka
        \nU disciplini na jedno jezgro oba servera idu u korak.<\/p>\n

        Na 4 jezgra:<\/p>\n

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

        \"Bitka
        \n\"Bitka
        \nTu jasno vidimo, koja re\u0161enja se najbolje skalira prema broju jezgara. Smanjiv\u0161i performanse svakog od jezgara, RRAS je nadoknadio gubitke njihovim brojem, \u0161to SoftEther nije uradio.<\/p>\n

        Potro\u0161nja RAM-a od strane sistema<\/b><\/i><\/p>\n

        \"Bitka
        \nPotro\u0161nja RAM-a koju koristi SoftEther pove\u0107ala se s brojem jezgara, sa 122 na 177 MB, ali je jo\u0161 uvek manja od one kod RRAS-a.<\/p>\n

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

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

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

        \"Bitka
        \nAko jo\u0161 uvek niste odabrali odgovaraju\u0107e re\u0161enje za vas, mo\u017eda \u0107e vam ova tabela pomo\u0107i u dono\u0161enju odluke. Prikazana je ukupna propusnost u re\u017eimu zagu\u0161enja CPU-a.<\/p>\n

        \"Bitka
        \nObratite pa\u017enju da je performansa SoftEther-a bolja na \u010detiri i jednoj jezgri, nego na osam. Ova niska performansa nije zabele\u017eena nigde, ali samo testiranje pokazuje koliko se algoritam zapravo dobro skalira s brojem jezgara.<\/p>\n

        Zaklju\u010dek:<\/h2>\n

        \nPovezivanje na SoftEther pri ograni\u010denju procesora nije se dogodilo iz prvog poku\u0161aja, prvo je bilo potrebno pove\u0107ati limit, povezati se, i tek onda smanjiti limit, \u0161to name\u0107e ograni\u010denje na njegovu upotrebu u veoma ograni\u010denim sredinama. RRAS se uvek odmah prijavljivao.<\/p>\n

        Ako imate ma\u0161inu sa velikim brojem jezgara, preferirajte RRAS. A za SoftEther mo\u017eete ostaviti i 4 jezgra. Autor, da je koristio SoftEther, bi mu ostavio samo jedno jezgro.<\/p>\n

        \u0160ta i kuda postaviti \u2013 odlu\u010dite sami. Ako imate 99 rubalja na VPS<\/a><\/noindex> Windows Server-u, optimalan izbor \u0107e ipak 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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