Web Hosting la gi ?

1. Web Hosting la  gi?

Co the giai thich don gian nhu sau : Web hosting la noi khong gian tren may chu co cai dich vu Internet nhu ftp,www, noi do ban co the chua noi dung trang web hay du lieu tren khong gian do.

Ly do ban phai thue Web Hosting de chua noi dung trang web, dich vu mail, ftp, vi nhung may tinh do luon co mot dia chi co dinh khi ket noi vao Internet (do la dia chi IP) , con nhu neu ban truy cap vao internet nhu thong thuong hien nay thong qua cac IPS (Internet Service Provider - Nha cung cap dich vu Internet) thi dia chi IP tren may ban luon bi thay doi, do do du lieu tren may cua ban khong the truy cap duoc tu nhung may khac tren Internet.

Tuy theo nha cung cap dich vu Web hosting ma chat luong cung khac nhau nhu:

- Toc do truy cap Internet tai server Web hosting do.
- Dung luong dia la yeu to ma ban co the chua duoc nhieu web page hay du lieu cua ban hay khong.
- Cac tien ich nhu cac he quan tri co so du lieu co ho tro hay khong de giup ban viet mot chuong trinh Web ten do hay khong ?,
Noi tom lai neu ban chi co ten mien-domain ma khong co dich vu web hosting thi ban khong the co mot trang web duoc.

2. Cac yeu cau va tinh nang cua Web Hosting

• Web Hosting phai co mot dung luong du lon (tinh theo MBytes) de luu giu duoc day du cac thong tin, du lieu, hinh anh, cua Website
• Cap nhat website bang giao thuc FTP vao bat cu thoi diem nao
• Phai co Bandwidth (bang thong) du lon de phuc vu cac hoat dong giao dich, trao doi thong tin cua Website  dien ra nhanh chong.
• Ho tro cac cong cu lap trinh phan mem tren Internet va cac cong cu viet san de phuc vu cac hoat dong giao dich tren Website nhu gui mail, upload qua trang Web,
• Ho tro day du cac dich vu E-mail tao, sua, xoa cac account email voi tinh nang  POP3 E-mail, E-mail Forwarding, Webmail
• Ho tro cac cong cu thong ke tinh hinh truy cap trang web
• Chu dong tao cac subdomain.
• Khong bi chen cac banner quang cao cua don vi khac

3. Cac loai WebHosting

3.1. Unix Hosting:

 Unix la he thong server cu ma hau het cac nha cung cap host Viet Nam dang su dung. Khi host tren server nay, nguoi soan web phai co kien thuc viet web bang HTML rat vat va, soan tung trang hoac soan script CGI rat cuc nhoc va phai upload bang FTP. Neu co sua lai thu muc hoac mat mot trang thi phai kiem tra lai toan bo cac duong dan den trang do. Cac tien ich nhu counter dem so nguoi truy cap, form nhap lieu cung phai viet bang ngon ngu CGI deu phai viet rieng, rat mat thi gio nhu the nguoi ta phai che tao lai cai banh xe vay.

3.2. Window Hosting:

Server Windows hien nay dang la thoi thuong vi Microsoft co gang ho tro hoan toan va de dang cho nguoi dung ma ngay ca nguoi khong chuyen nghiep van co the tao ra trang web nhin rat u chuyen nghiep. Mot trong nhung tinh nang cua Server Windows la co ho tro Frontpage extension.

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