Cau Hoi Khong Ai Muon Tra Loi
Moi doi phan mem deu biet ve bus factor. It doi nao xem no nghiem tuc.
Bus factor do luong bao nhieu nguoi can bi xe buyt tong truoc khi du an te liet. Voi hau het cac startup, con so do la mot. Voi hau het cac doi doanh nghiep, la hai hoac ba. Ai cung dong y day la van de. Khong ai lam gi ve no.
Chung toi khong co xa xi do.
Phan mem cua chung toi — De Novo xGrid — chay tren thiet bi Raspberry Pi tai vung tham hoa. Benh vien da chien. Nha tam tru cong dong sau dong dat. Nhung noi "goi nha cung cap" khong phai la lua chon vi khong co tin hieu dien thoai, khong co internet, va co the khong con nha cung cap nao nua.
Vi vay chung toi dat mot phien ban kho hon cua cau hoi bus factor:
Neu toan bo doi phat trien bien mat vao ngay mai, cac he thong da trien khai co the tiep tuc chay vo thoi han khong?
Khong phai "vai ngay cho den khi chung toi tuyen nguoi thay the." Vo thoi han.
Nam Bai Kiem Tra, Khong Ngoai Le
Chung toi chinh thuc hoa dieu nay thanh Walkaway Test — nam tieu chi nghiem thu ma moi phien ban phai dat. Ten goi la co chu dich: khong phai "kiem tra phuc hoi tham hoa" hay "danh gia ke hoach lien tuc", ma la walkaway (bo di). Nghia la: doi phat trien bo di, va he thong van tiep tuc chay.
WK01: Ngoai tuyen la mac dinh. He thong phai van hanh voi ket noi mang bang khong. Khong phai "suy giam uyern chuyen" — ma la van hanh day du. Moi mot trong hon 15 ung dung web tien tien cua chung toi deu hoat dong ngoai tuyen. Dang ky benh nhan, cap phat thuoc, quan ly ngan hang mau, lap lich phau thuat. Tat ca. Mang la bonus, khong phai yeu cau.
WK02: Phuc hoi Hub tu Edge. Neu thiet bi Raspberry Pi trung tam bi pha huy vat ly, bat ky dien thoai hay may tinh bang con sot lai nao deu co the xay dung lai no. Chung toi goi day la Giao Thuc Xuong Cuu Sinh (Lifeboat Protocol). Mot dieu duong quet hai ma QR tu dien thoai cua co ay sang mot Raspberry Pi moi tri gia 80 do la. Du lieu chay nguoc lai. Con sao bien moc lai chi. Chung toi da xac nhan dieu nay trong bai kiem tra 12 buoc vao ngay 26 thang 1 nam 2026. Ty le dat: 100%.
WK03: Khong Phu Thuoc CNTT. Neu he thong yeu cau truy cap SSH, can thiep dong lenh hoac phan tich nhat ky de hoat dong, no khong dat bai kiem tra nay. Nguoi van hanh cua chung toi la dieu duong va nhan vien hau can, khong phai ky su. Moi thao tac dien ra qua giao dien trinh duyet.
WK04: Khong Khoa License. Khong goi ve may chu. Khong xac thuc dang ky. Khong het han. Khi da trien khai, phan mem thuoc ve doi hien truong. Neu cong ty chung toi bien mat, phan mem khong bi anh huong.
WK05: Du Lieu Co The Kiem Toan Boi Con Nguoi. Neu ban khong tin phan mem nua, ban van co the xac minh du lieu. Co so du lieu mo duoc bang bat ky cong cu nao. Moi ban ghi co tem thoi gian va ma nguoi thao tac. Ban khong can phan mem cua chung toi de doc du lieu cua chinh ban.
"Bus Factor Tien Toi Vo Cuc" Thuc Su Co Nghia La Gi
Vao ngay 27 thang 1 nam 2026, sau khi vuot qua ca nam bai kiem tra, chung toi viet mot dong trong nhat ky noi bo:
Bus factor approaching infinity.
Dieu nay nghe nhu tu man. Nhung khong phai. Do la mot tuyen bo ky thuat chinh xac.
Bus factor truyen thong dem nguoi. Neu ba nguoi ra di va du an chet, bus factor cua ban la ba. Phien ban cua chung toi dem su phu thuoc vao chinh to chuc. Sau WK01-WK05, he thong da trien khai khong con bat ky su phu thuoc nao vao De Novo Orthopedics — khong may chu, khong license, khong thong tin xac thuc, khong bao tri lien tuc. Bus factor khong con la bao nhieu nguoi co the ra di. Ma la lieu toan bo cong ty co the ra di khong.
Cau tra loi la co.
Triet Ly Thiet Ke Khong Thoai Mai
Hau het cac doanh nghiep phan mem duoc xay dung tren su phu thuoc. Doanh thu dinh ky phu thuoc vao viec khach hang can ban thang sau. Luu tru dam may co nghia la nha cung cap giu chia khoa. May chu license dam bao tuan thu — va dam bao ban khong the roi di.
Walkaway Test dao nguoc dieu nay. Moi quyet dinh thiet ke duoc danh gia qua mot lang kinh: dieu nay lam cho nguoi dung phu thuoc vao chung toi hon hay it hon?
Dieu nay nghe nhu kinh doanh toi. Thuc ra do la cach tiep can trung thuc duy nhat khi nguoi dung cua ban dang dieu hanh benh vien da chien trong vung tham hoa. "Ho can chung toi nhung khong lien lac duoc voi chung toi" ve mat chuc nang giong het "ho khong co phan mem". Su phu thuoc khong the dap ung con toi te hon khong phu thuoc.
Ba Cau Hoi Cho He Thong Cua Ban
Ban khong can xay dung phan mem y te tham hoa de huong loi tu tu duy walkaway. Bat dau tu day:
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He thong cua ban chay duoc bao lau khong co mang? Neu cau tra loi la khong, moi su co mang la su co toan dien. Do la mot lua chon ban dang dua ra.
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Du lieu cua ban nam o dau, va ai co the truy cap? Neu cau tra loi la "mot tai khoan dam may do mot nguoi kiem soat", ban da tap trung rui ro theo dung cach ma dam may le ra phai ngan chan.
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Nguoi dung cua ban co the xuat moi thu ma khong can su giup do cua ban khong? Neu khong, ban khong ban san pham. Ban ban quyen truy cap vao san pham. Do la hai thu khac nhau voi nhung ham y dao duc khac nhau.
Walkaway Test khong phai la mot phuong phap kiem thu. Do la mot triet ly thiet ke hoi: ban se xay dung gi neu gia dinh ban se khong con o do de bao tri no?
Cau tra loi hoa ra la phan mem tot hon.
Bai lien quan: Khi Buc Tuong Bi Pha Vo — Thiet Ke He Thong Y Te Theo Nguyen Ly Safety-II