 Nhu cau mo website cua cac ca nhan va cong ty ngay cang phat trien. The nhung chu nhan cua nhung website nho nay thuong phai bang long voi nhung hang dat cho (hosting) web gia thap voi chat luong dich vu khong may dam bao.Va bai viet nay xin gioi thieu mot so kinh nghiem... dau thuong tren con duong di tim dich vu hosting.
Host noi chat luong cao: gia tren cao! VDC va FPT la hai cong ty tin hoc hang dau VN co dich vu luu tru web chat luong kha on dinh. Tuy nhien, nhung cong ty nho va cac nha phat trien web doc lap thuong phai can nhac kha lau neu muon thue host cua ho. VDC dua ra muc gia nhieu nac theo kieu cang dung nhieu cang re: neu khach hang muon thue cho dat trang web co dung luong 50 MB se phai tra muc phi hang thang nhu sau: 35.000d x 10 MB dau + 30.000d x 20 MB tiep theo + 25.000d x 20 MB tiep theo. Trong khi do, FPT tinh gia theo cac goi dich vu, va de thue mot host dung luong 50 MB nguoi dung phai tra 649.000d/thang. Ca hai cong ty deu khong tinh phi tren luong du lieu truyen, nhung that ra voi nhung host nho nhu the nay thong so ay la khong dang ke. Con ve gia ca, voi cac thong so ky thuat tuong duong, gia cho thue host cua FPT dat gap 10 lan va gia cua VDC dat gap 15 lan so voi nhung cong ty hosting nuoc ngoai duoc danh gia cao tren website cong nghe thong tin co uy tin http://www.cnet.com/. Host gia re: doan truong ai co qua cau moi hay Anh Do The Nghia - truong nhom phat trien Thiep Viet (http://www.thiepviet.com/), trang thiep dien tu da phuong tien hang dau VN hien nay - da qua tham thia noi gian kho cua hanh trinh di tim “ngoi nha” cho dua con tinh than cua minh. Giua thang sau, Thiep Viet bat dau thue mot host nho dung luong 100 MB cua mot cong ty de chay thu va hoan thien phan mem xuat ban web. Goi dich vu cua cong ty nay re den muc khong the re hon (0,85 USD/thang). Va tien nao cua nay, host chet len chet xuong, voi thoi gian uptime (nguoi dung truy cap duoc) chi vao khoang tren duoi 90% chu khong phai 99,9% nhu cong ty cam ket. Toi dau thang chin, khi phan noi dung cua website Thiep Viet bat dau phat trien va nhom vua chuyen sang mua goi dich vu B voi dung luong host 300 MB de mo rong chuong trinh thu nghiem thi dot nhien cong ty nay cat dich vu ma khong he cho biet ly do. Khi anh Nghia lien he voi phong ho tro ky thuat thi duoc giai thich: “Website cua anh gui spam nen chung toi ngung cap dich vu ma khong can bao truoc”! Van rui chua buong tha Thiep Viet. Khi chuyen sang thue host cua Advanced Network Hosts voi gia 12 USD/thang chi down (khong truy cap duoc) dung mot lan trong hon mot thang qua va dieu do cung du lam nhom khon don. Ly do: mot user khac thue chung server gui spam voi so luong cuc lon, ngon het 100% tai nguyen may chu khien tu do email gui ra tu server nay bi Yahoo Mail danh dau spam, dua het vao hop thu Bulk Mail va nhung canh thiep cua Thiep Viet cung cung chung so phan. Chua het, vi so nguoi truy cap tang gap hang chuc lan so voi du kien cua nhom nen chi vai hom sau Ngay phu nu Viet Nam 20-10, website Thiep Viet da dung het han muc gan 100 GB du lieu truyen va bi treo toi tan dau thang muoi mot. De tranh rac roi, mac du chua ket thuc giai doan thu nghiem, nhom Thiep Viet cung quyet dinh dau tu lon de su dung may chu thue rieng (dedicated server). Truong hop cua Cong ty co phan san pham Sinh Thai moi that su do khoc do cuoi. Nam 2003, ho thue mot cong ty thuc hien tron goi bao gom dang ky ten mien http://www.cozy-tea.com/, thiet ke website va hosting voi chi phi 3 trieu dong. Khi Sinh Thai khong hai long voi chat luong dich vu duoc cung cap, ho tim thue host khac va de nghi cong ty nay tro ten mien sang do, cau tra loi ma ho nhan duoc la: “Mot pho giam doc cu la nguoi quan ly ten mien nay va anh ay da chuyen sang cong ty khac”. Ket qua la Sinh Thai mat trang ten mien, buoc phai bat dau lai cuoc choi Internet tu dau voi mot ten mien khac. Van co host voi gia ca va dich vu hop ly Truoc het, can xac dinh ro muc dich va quy mo cua site, voi cac yeu to then chot nhu dung luong o cung va luu luong du lieu truyen moi thang. Dung luong o cung can thiet thay doi tuy theo tinh chat cua site, con bang thong tieu thu co the tinh nhu sau: lay so nguoi du kien se truy cap site hang ngay nhan voi so trang moi nguoi xem, nhan tiep voi dung luong trung binh cua mot trang va so ngay trong thang. Vi du, site cua ban co 1.000 nguoi truy cap moi ngay, moi nguoi xem binh quan nam trang va moi trang co dung luong 50 KB thi ban se can luong du lieu truyen: 1.000 x 5 x 50 KB x 30 = 7.500.000 KB, tuc 7,5 GB moi thang. Tiep do, ban nen vao cac dien dan quan tri va nhung tap chi cong nghe thong tin co uy tin nhu http://www.pcworld.com/ hay http://www.cnet.com/ de tham khao ve cac thong so ky thuat cung nhu dich vu cua cac cong ty cho thue host. Neu chua tin tuong o nhan xet cua cac tap chi chuyen nganh nay (vi co the day la mot dang quang cao), ban co the vao cac trang web nhu: http://www.webhostscompare.com/ hay http://www.findmyhost.com/..., noi cac quan tri nhu ban danh gia ve chat luong dich vu cua cac cong ty cho thue host, va tren co so do co the dua ra quyet dinh lua chon nha cung cap phu hop. Theo TuoiTre Article source http://w4rum.com/184.t
| 