Hng dn Scrum

Hng dn Scrum: Cc quy tc ca tr chi

Thng By 2013

Pht trin v duy tr bi Ken Swchaber v Jeff Sutherland

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Mc lc Mc lc ............................................................................................................................................ 1

Mc ch ca Hng dn Scrum ............................................................................................... 2

Khi lc v Scrum ..................................................................................................................... 2

L thuyt Scrum .......................................................................................................................... 2

Minh bch ............................................................................................................................... 3

Thanh tra ................................................................................................................................. 3

Thch nghi ................................................................................................................................ 3

Nhm Scrum ............................................................................................................................... 3

Product Owner ....................................................................................................................... 4

Nhm Pht trin ..................................................................................................................... 4

Scrum Master ......................................................................................................................... 5

Cc s kin Scrum....................................................................................................................... 6

Sprint ....................................................................................................................................... 6

Hp K hoch Sprint ............................................................................................................... 7

Hp Scrum Hng ngy ............................................................................................................ 9

S kt Sprint ........................................................................................................................... 9

Ci tin Sprint ....................................................................................................................... 10

To tc Scrum ........................................................................................................................... 11

Product Backlog .................................................................................................................... 11

Sprint Backlog ....................................................................................................................... 12

Gi tng trng .................................................................................................................... 13

Minh bch ha cc to tc ................................................................................................... 13

nh ngha Hon thnh ......................................................................................................... 13

Li kt ........................................................................................................................................ 14

Ghi nhn .................................................................................................................................... 15

Con ngi.............................................................................................................................. 15

Lch s ................................................................................................................................... 15

Cc phin bn ....................................................................................................................... 15

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Mc ch ca Hng dn Scrum

Scrum l mt khung lm vic (framework) pht trin bn vng cc sn phm phc hp. Ti

liu Hng dn ny cha ng nh ngha v Scrum. nh ngha ny bao gm cc thnh phn

ca Scrum gm vai tr, cc s kin, cc to tc (artifact), v cc quy tc gn kt cc yu t

li vi nhau. Ken Schwaber v Jeff Sutherland pht trin Scrum, cng l nhng ngi cung

cp Hng dn Scrum ny ti ngi c. Chnh h ng ng sau ti liu Hng dn Scrum

ny.

Khi lc v Scrum

Scrum l mt khung lm vic trong con ngi c th xc nh cc vn thch nghi phc

hp, trong khi vn gi c nng sut v sng to chuyn giao cc sn phm c gi tr cao

nht.

Scrum c cc tnh cht:

nh nhng

d hiu

rt kh tinh thng

Scrum l khung lm vic c s dng qun l qu trnh pht trin cc sn phm phc

tp t u nhng nm 1990. Scrum khng phi l mt quy trnh hay mt k thut c th

xy dng sn phm; hn th, n l mt khung lm vic cho php bn s dng nhiu quy trnh

v k thut khc nhau. Scrum lm sng r mc hiu qu tng i ca cng tc qun l v

pht trin sn phm, t cho php bn ci tin n.

Khung lm vic Scrum bao gm mt Nhm Scrum vi cc vai tr c phn nh r rng, cc

s kin, cc to tc 1(artifact) v cc quy tc. Mi thnh phn trong khung lm vic phc v

mt mc ch r rng v nng ct trong vic s dng v thnh cng ca Scrum.

Cc quy tc ca Scrum gn kt cc yu t s kin, vai tr, to tc vi nhau, iu khin cc mi

quan h v tng tc gia chng. Cc quy tc ca Scrum c m t trong sut ti liu ny.

Cc chin lc c th s dng Scrum c th rt khc nhau v c m t nhng ti liu

khc.

L thuyt Scrum

Scrum c xy dng da trn l thuyt qun l tin trnh thc nghim (empirical process

control), hay thc nghim lun(empiricism). L thuyt ny ch ra rng tri thc n t kinh

nghim v vic ra quyt nh c da trn nhng g bit. Scrum s dng cc tip cn lp

(iterative), tng trng (incremental) ti u ha tnh kh on (predictability) v kim sot

ri ro.

1 Trong bn dch Hng dn Scrum phin bn 2011, ngi dch chuyn hn ngha t artifact sang ngh, tuy nhin thut ng ny khin nhiu ngi hiu nhm thnh cng c. Trong khi artifact (to tc) trong Scrum va l cng c, va l nhng th do chnh Nhm Scrum to ra v duy tr lin tc nhm phc v cng vic ca mnh. Xem thm nh ngha to tc trang 11.

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Ba yu t nng ct to thnh mt m hnh qun l tin trnh thc nghim gm: s minh bch

(transparency), thanh tra (inspection) v thch nghi (adaptation).

Minh bch

Cc kha cnh quan trng ca tin trnh phi c hin th r rng cho nhng ngi c trch

nhim vi thnh qu ca tin trnh . S minh bch yu cu cc yu t ny cn c nh

ngha theo mt tiu chun nhng ngi quan st c th hiu nhng g h thy theo cng

mt cch.

V d:

Mt ngn ng chung v quy trnh cn phi c chia s cho tt c cc bn tham gia; v,

Mt nh ngha chung v Hon thnh2 phi c chia s bi nhng ngi m ng

cng vic v nhng ngi tip nhn sn phm ca cng vic .

Thanh tra

Ngi s dng Scrum phi thng xuyn thanh tra cc to tc v tin n ch pht

hin cc bt thng khng theo mun. Tn sut thanh tra khng nn qu dy khi nh

hng n cng vic. Cng tc thanh tra c ch nht khi c thc hin bi ngi c k nng

ti cc im quan trng ca cng vic.

Thch nghi

Nu mt ngi thanh tra xc nh c rng c vn no vt qu gii hn cho php,

v hu qu ca vn i vi sn phm l khng th chp nhn c, th quy trnh hoc

cc vt liu c x l (processed material) phi c iu chnh. S iu chnh phi c

tin hnh cng sm cng tt gim thiu cc sai st khc c th xy ra.

Scrum cung cp bn c hi chnh thc cho vic thanh tra v thch nghi trong cc S kin

Scrum, bao gm:

Hp K hoch Sprint (Sprint Planning Meeting)

Hp Scrum hng ngy (Daily Scrum)

S kt Sprint (Sprint Review)

Hp Ci tin Sprint (Sprint Retrospective)

Nhm Scrum

Nhm Scrum bao gm Product Owner (Ch Sn phm), Nhm pht trin (Development Team),

v Scrum Master. Cc Nhm Scrum l cc nhm t qun (self-organizing) v lin chc nng

(cross-functional). Cc nhm t qun t mnh chn cch thc tt nht hon thnh cng

vic ca h, ch khng b ch o bi ai bn ngoi nhm. Cc nhm lin chc nng c

k nng cn thit hon thnh cng vic m khng ph thuc vo bt k ngi ngoi no

khc. M hnh nhm trong Scrum c thit k ti u ha s linh hot, sng to v nng

sut.

Cc Nhm Scrum chuyn giao sn phm theo phn on lp i lp li v tng dn, ti a ha

c hi cho cc phn hi. Vic chuyn giao tng dn (incremental) cc gi sn phm t tiu

2 Xem thm nh ngha Hon thnh, tr. 13

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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chun Hon chnh m bo mt phin bn c th s dng c ca sn phm lun lun sn

sng.

Product Owner

Product Owner (Ch sn phm) chu trch nhim ti a ha gi tr ca sn phm v cng vic

ca Nhm Pht trin. Cch thc t c iu c th rt khc nhau gia cc t chc,

cc Nhm Scrum v cc c nhn.

Product Owner l mt ngi ch yu chu trch nhim v vic qun l Product Backlog. y l

cng c qun l cha:

M t cc hng mc Product backlog;

Trnh t ca cc hng mc trong Product Backlog t c mc ch v hon thnh

cc nhim v;

S m bo gi tr ca cc cng vic ca Nhm Pht trin;

S m bo cho Product Backlog l lun lun hin hu, thng sut, v r rng ti tt c

mi ngi, v ch ra nhng g m Nhm Scrum s lm vic; v,

S m bo cho Nhm Pht trin hiu r cc hng mc trong Product Backlog vi cc mc

cn thit.

Product Owner c th t mnh thc hin cng vic trn, hoc Nhm Pht trin lm. Tuy

nhin, Product Owner vn phi chu trch nhim chnh.

Product Owner l mt ngi, khng phi l mt y ban. Product Owner c th cn ti mt y

ban tham gia vo Product Backlog, nhng nhng ngi trong y ban mun thay i trnh t

cc hng mc trong Product Backlog phi thuyt phc c Product Owner.

Product Owner thnh cng, c t chc phi tn trng cc quyt nh ca ngi ny. Cc

quyt nh c hin th trong ni dung v th t trong Product Backlog. Khng ai ngoi

Product Owner c php yu cu Nhm Pht trin lm g khc, v Nhm Pht trin cng

khng c php lm g theo li bt c ngi no khc.

Nhm Pht trin

Nhm Pht trin (Development Team) gm cc chuyn gia lm vic cho ra cc phn tng

trng c th pht hnh c (potentially releasable) cui mi Sprint. Ch cc thnh vin ca

Nhm Pht trin mi to ra cc phn tng trng ny (Increment).

Nhm Pht trin c cu trc v trao quyn t chc v qun l cng vic ca h. S hp

lc s ti u ha n lc v hiu qu tng th ca Nhm Pht trin. Nhm Pht trin c cc

c trng sau:

l nhm t t chc. Khng ai (k c Scrum Master) c quyn yu cu Nhm Pht trin

lm th no chuyn Product Backlog thnh cc phn tng trng c th chuyn giao

c;

l nhm lin chc nng, vi tt c cc k nng cn thit to ra phn tng trng ca

sn phm;

Scrum khng ghi nhn mt chc danh no trong Nhm Pht trin ngoi Nh pht trin

(Developer), theo tnh cht cng vic ca ngi ny; khng c ngoi l cho quy tc ny;

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Cc thnh vin Nhm pht trin c th c cc k nng chuyn bit v cc chuyn mn c

th, nhng h phi chu trch nhim di mt th thng nht l Nhm Pht trin; v,

Nhm Pht trin khng cha cc nhm con no khc vi cc chc nng c th nh nhm

kim th hay phn tch nghip v.

ln ca Nhm Pht trin

ln ti u ca Nhm Pht trin l nh gi c s linh hot v ln hon thnh

cng vic. t hn ba ngi c th lm gim s tng tc v dn n nng sut thp. Cc Nhm

Pht trin nh hn c th phi i mt vi cc rng buc k nng trong sut Sprint, dn n

Nhm Pht trin kh c th chuyn giao gi tng trng pht hnh c. Mt nhm nhiu

hn chn ngi cn nhiu s iu phi hn. Cc Nhm Pht trin ln pht sinh qu nhiu phc

tp thc hin vic kim sot tin trnh thc nghim. Cc vai tr Product Owner v Scrum

Master khng c tnh vo kch thc ca Nhm Pht trin, tr khi h cng kim lun vai

tr l thnh vin ca Nhm Pht trin.

Scrum Master

Scrum Master chu trch nhim m bo mi ngi hiu v dng c Scrum. Scrum Master

thc hin vic ny bng cch m bo Nhm Scrum tun th l thuyt, cc k thut thc hnh

v cc quy tc ca Scrum.

Scrum Master l mt lnh o, nhng cng l y t ca Nhm Scrum.Scrum Master gip

nhng ngi ngoi Nhm Scrum hiu cch phi tng tc vi nhm sao cho hiu qu nht.

Scrum Master gip tt c mi ngi thay i cc mi tng tc ny ti a ha gi tr

m Nhm Scrum to ra.

Scrum Master phc v g cho Product Owner?

Scrum Master phc v Product Ower theo nhiu cch, bao gm:

Tm kim cc k thut qun l hiu qu Product Backlog;

Giao tip tch cc vi Nhm Pht trin v tm nhn, mc ch, v cc hng mc ca

Product Backlog;

Dy cho Nhm Pht trin bit cch to ra cc hng mc Product Backlog tht r rng v

n gin;

Hiu r vic lp k hoch di hn sn phm trong mt mi trng thc nghim;

Hiu r v thc hnh s linh hot (agility); v,

Thc y cc s kin Scrum theo yu cu hoc khi cn thit.

Scrum Master phc v g cho Nhm Pht trin?

Scrum Master phc v Nhm Pht trin theo nhiu cch, bao gm:

Hun luyn Nhm Pht trin cch t t chc v lm vic lin chc nng;

Gip Nhm Pht trin to ra cc sn phm c gi tr cao;

Loi b cc tr lc trong qu trnh tc nghip ca Nhm Pht trin;

Thc y cc s kin Scrum theo yu cu hoc khi cn thit; v,

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Hun luyn Nhm Pht trin trong trng hp t chc cha c hiu bit v ng dng

y v Scrum.

Scrum Master phc v g cho T chc?

Scrum Master phc v T chc theo nhiu cch, bao gm:

Lnh o v hun luyn t chc trong vic p dng Scrum;

Lp k hoch trin khai Scrum trong phm vi t chc;

Gip nhn vin v cc bn hu quan hiu v s dng c Scrum cng nh qu trnh

pht trin sn phm thc nghim (emprical product development);

To ra s thay i lm tng nng sut ca Nhm Scrum; v,

Lm vic vi cc Scrum Master khc gia tng hiu qu ca vic p dng Scrum trong

t chc ca mnh.

Cc s kin Scrum Cc s kin c m t trong Scrum nhm to ra thi quen v gim thiu nhng bui hp

hnh vn khng c nh ngha trong Scrum. Scrum dng cc s kin c ng khung thi

gian (time-boxed), ngha l mi s kin c gii hn thi gian ti a. iu ny m bo thi

lng va trnh lng ph thi gian khng cn thit cho s kin.

Bao gm c bn thn Sprint vn cha tt c cc s kin khc, mi s kin trong Scrum l mt

c hi chnh thc thc hin c ch thanh tra v thch nghi. Cc s kin ny c thit k

c bit m bo s minh bch v thanh tra. Nu khng thc hin c cc iu ny c

th dn n gim thiu tnh minh bch v nh mt c hi thanh tra v thch nghi.

Sprint

Tri tim ca Scrum chnh l Sprint, mt khung-thi-gian (time-box) c thi gian mt thng

hoc ngn hn to ra cc phn tng trng ca sn phm c th pht hnh c. Sprint

c khong thi gian nht qun trong sut qu trnh pht trin. Mt Sprint mi bt u ngay

khi Sprint trc khp li.

Sprint cha v bao gm mt cuc Hp K hoch Sprint (Sprint Planning Meeting), cc cuc

Hp Scrum hng ngy (Daily Scrum), mt bui hp S kt Sprint (Sprint Review), v mt bui

hp Ci tin Sprint (Sprint Retrospective).

Trong sut Sprint:

Khng cho php bt k s thay i no nh hng n Mc tiu Sprint (Sprint Goal);

Thnh phn Nhm Pht trin c gi nguyn;

Mc tiu cht lng khng c ct gim; v,

Phm vi c th c lm r v ti thng lng gia Product Owner v Nhm Pht trin.

Mi Sprint c th c coi nh mt tiu d n vi di mt thng. Ging nh d n, Sprint

c dng hon tt iu g . Mi Sprint c mt nh ngha v vic phi xy dng ci g,

mt bn thit k v bn k hoch linh hot s hng dn qu trnh xy dng , cc cng vic

cn lm, v sn phm ca qu trnh .

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Sprint c gii hn trong vng mt thng lch (calendar month). Khi Sprint b ko di qu th

nh ngha v vic phi xy dng ci g c th b thay i, s phc tp s gia tng v ri ro s

tng theo. Sprint m bo tnh d on bng s thanh tra v thch nghi trong tin trnh tin

ti mc tiu ca mi thng . Sprint cng s gii hn ri ro trong phm vi chi ph ca mt

thng lch.

Hy mt Sprint

Sprint c th b hy trc khi khung thi gian tri qua. Ch c Product Owner mi thm

quyn kt thc Sprint, mc d Product Owner c th chu nh hng bi nhng bn hu quan

khc, bi Nhm Pht trin, hoc bi Scrum Master.

Mt Sprint c th b hy nu nh Mc tiu Sprint c th tr nn li thi. iu ny xy ra khi

cng ty chuyn hng kinh doanh hoc khi tnh th cng ngh c s thay i. Ni chung,

Sprint c th b hy nu n khng mang li iu g c ch. Th nhng, do thi gian trong mi

Sprint tng i ngn, nn vic hy mt Sprint khng my khi c tc dng g.

Khi Sprint b hy, cc phn sn phm hon chnh c xem xt li. Nu phn no ca

cng vic l c th chuyn giao c, th Product Owner c th chp nhn chng. Tt cc

cc hng mc Product Backlog cha hon tt s c ti c lng v t ngc tr li

Product Backlog pht trin tip. Cc phn vic thc hin trn s nhanh chng ht tc

dng v phi thng xuyn c c lng li.

Vic hy Sprint s gy lng ph ti nguyn, do mi ngi phi hp li ln k hoch cho mt

Sprint mi. Vic hy Sprint thng gy tn hi nht nh cho Nhm Pht trin, v rt t khi xy

ra.

Hp K hoch Sprint

Cng vic trong Sprint c ln k hoch trong bui Hp K hoch Sprint (Sprint Planning

Meeting). K hoch cho Sprint c to ra nh n lc cng tc ca ton b Nhm Scrum.

Bui Hp K hoch Sprint c ng khung trong tm ting cho mi Sprint mt thng. Vi cc

Sprint ngn hn th thi gian cho bui hp c rt ngn li. V d nh mt Sprint hai tun c

th ch cn hp k hoch ti bn ting l .

Bui Hp K hoch Sprint c hai phn, mi phn chim mt na khung thi gian. Hai phn ca

bui Hp K hoch Sprint ln lt tr li hai cu hi sau y:

Mc tiu ca Sprint l g?

Sprint ny phi chuyn giao ci g?

Lm sao t c iu ?

Phn Mt: Phi lm g trong Sprint ny?

Trong phn ny, Nhm Pht trin lm vic d bo chc nng s c pht trin trong

Sprint. Product Owner trnh by cc hng mc c xp th t Product Backlog cho Nhm

Pht trin v ton b Nhm Scrum s hp tc tm hiu cng vic phi lm trong Sprint.

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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u vo ca bui hp ny l Product Backlog, phn tng trng ca sn phm gn y nht,

nng lc hin c ca Nhm Pht trin trong Sprint ti, v hiu sut trong qu kh ca Nhm

Pht trin. S lng hng mc c chn t Product Backlog cho Sprint ny s hon ton ph

thuc vo Nhm Pht trin. Ch Nhm Pht trin c th nh gi h c th hon thnh nhng

g trong Sprint ti y.

Sau khi Nhm Pht trin d bo cc hng mc Product Backlog s c chuyn giao trong

Sprint, Nhm Scrum xc lp Mc tiu Sprint. Mc tiu Sprint c th to ra mt si dy rng

buc cho nhng n lc ca c Nhm Pht trin hng n mt mc tiu chung.

Phn Hai: Lm sao hon thnh cng vic chn?

Sau khi chn cng vic cho Sprint, Nhm Pht trin quyt nh cch thc xy dng cc

chc nng s c trong phn tng trng hon chnh trong sut Sprint. Cc hng mc Product

Backlog c la chn cho Sprint cng vi k hoch chuyn giao chng c gi l Sprint

Backlog.

Nhm Pht trin thng bt u cng vic bng cch thit k h thng v cc cng vic cn

thit chuyn Product Backlog thnh gi sn phm chy c. Cng vic c th ln nh khc

nhau. Tuy vy, mt lng cng vic va c ln k hoch trong sut bui Hp K hoch

Sprint cho Nhm Pht trin s d bo nhng th c th lm trong Sprint sp ti. Cc cng vic

c ln k hoch trong nhng ngy u tin ca Sprint bi Nhm Pht trin s c phn

tch thnh cc n v nh hn trong phm vi mt ngy hoc nh hn na cui bui hp.

Nhm Pht trin s t t chc lm vic trn Sprint Backlog, c khi lp k hoch ln thc thi

k hoch trong sut Sprint.

Khi Nhm Pht trin ln k hoch, h hng mi iu ti Mc tiu Sprint. Trong sut Sprint,

cc cng vic cn lm i khi hi khc so vi k hoch ban u. Khi , Nhm Pht trin s

cng lm vic vi Product Owner xc nh cch lm mn li k hoch sao cho vn t c

Mc tiu Sprint. Mc tiu Sprint cung cp s linh hot cn thit sao cho cc chc nng c bn

vn c trin khai vo cui Sprint.

Product Owner c th gip Nhm Pht trin lm sng t cc khc mc v cc hng mc c

la chn trong Product Backlog , cng nh gip nhm a ra quyt nh trong mt s tnh

hung c bit. Nu Nhm Pht trin thy c qu nhiu hoc qu t vic, h c th thng

lng thm vi Product Owner v vic ny. Nhm Pht trin cng c th mi mt s ngi

khc tham d h tr mt s vn k thut hoc chuyn mn.

Kt thc bui Hp K hoch Sprint, Nhm Pht trin phi bit cch gii thch cho Product

Owner v Scrum Master bit h s d nh lm vic nh th no vi t cch mt nhm t t

chc hon thnh Mc tiu Sprint v to ra phn tng trng theo yu cu.

Mc tiu Sprint

Mc tiu Sprint (Sprint Goal) l mt tp cc mc tiu cn t trong mt Sprint sau khi trin

khai mt phn ca Product Backlog. N cung cp cc gi Nhm Pht trin xy dng cc

Phn tng trng (Increment). Mc tiu Sprint cho php Nhm Pht trin c mt s s linh

hot nht nh v vic phi trin khai cc chc nng nh th no trong sut Sprint. Cc hng

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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mc Product Backlog c chn chuyn giao mt chc nng y c th l mt Mc tiu

Sprint. Mc tiu Sprint nn l mt b cc yu cu gn kt khin Nhm Pht trin lm vic cng

nhau thay v phn r mi ngi mt vic.

Khi Nhm Pht trin lm vic, h s ghi nh Mc tiu ny trong u. tha mn Mc tiu

Sprint, h s trin khai cc chc nng cng nh cc k thut cn thit. Nu cng vic phc tp

hn d kin th h c th cng tc vi Product Owner thng lng li v phm vi ca

Sprint Backlog trong Sprint.

Hp Scrum Hng ngy

Cuc hp Scrum Hng (Daily Scrum) ngy c ng khung trong 15 pht Nhm Pht trin

ng b ha cc hot ng ca thnh vin v to lp k hoch cho 24 gi tip theo. iu ny

c c nh vic thanh tra cc cng vic k t cuc hp Scrum Hng ngy trc, v d bo

nhng cng vic s c hon thnh trc bui hp ln sau.

Cuc hp Scrum Hng ngy c t chc ti cng mt a im gim thiu s phc tp

khng cn thit. Trong sut cuc hp, mi thnh vin Nhm Pht trin gii thch r:

Ti lm nhng g k t hm qua gip Nhm Pht trin t c Mc tiu Sprint?

Ti s lm nhng g hm nay gip Nhm Pht trin t c Mc tiu Sprint?

Ti c nhn thy vn g cn tr Nhm Pht trin t c Mc tiu Sprint?

Nhm Pht trin s dng cuc hp Scrum Hng ngy nh gi tin cng vic hng ti

Mc tiu Sprint v nh gi xu hng tin trin ca cng vic trong Sprint Backlog. Cuc hp

Scrum Hng ngy ti u ha kh nng Nhm Pht trin c th t c Mc tiu Sprint.

Nhm Pht trin thng hp mt ngay sau khi hp xong Scrum Hng ngy ti lp k hoch

cho cc cng vic cn li trong Sprint. Hng ngy, Nhm Pht trin c th gii thch cho Product

Owner v Scrum Master bit h nh lm g vi t cch l mt nhm t qun hon thnh

mc tiu v to ra cc phn tng trng cn thit trong Sprint.

Scrum Master m bo cho Nhm Pht trin tham gia hp, nhng chnh Nhm Pht trin mi

c trch nhim chnh trong cuc hp Scrum Hng ngy. Scrum Master phi dy cho Nhm

Pht trin bit cch gi cuc hp ngn gn trong phm vi khung thi gian 15 pht.

Scrum Master phi p t quy tc v vic ch c Nhm Pht trin mi c tham gia cuc hp

Scrum Hng ngy.

Hp Scrum Hng ngy s ci tin qu trnh giao tip, lc b cc bui hp hnh khng cn

thit, nhn bit v loi b cc tr lc trong qu trnh pht trin, nhn mnh v pht huy cc

quyt nh nhanh chng, v nng cao mc hiu bit ca Nhm Pht trin v d n. Cuc

hp ny l cha kha ca c ch thanh tra v thch nghi trong Scrum.

S kt Sprint

Bui S kt Sprint (Sprint Review) c t chc khi Sprint kt thc r sot li phn tng

trng va lm ra trong Sprint , v thc hin cc bin php thch nghi i vi Product

Backlog nu cn. Trong cuc hp ny, Nhm Scrum v cc bn hu quan s trao i vi nhau

v nhng g va hon thnh trong Sprint va ri. Trn c s v nhng s thay i trong

Product Backlog trong sut Sprint, ngi tham d cuc hp s hp tc tho lun v nhng

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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cng vic sp trin khai. y l cuc hp khng trang trng, v vic trnh by v gi tng trng

ch yu nhm mc ch cung cp cc phn hi hu ch v khuyn khch s cng tc gia cc

bn.

Cuc hp ny c ng khung trong bn gi cho cc Sprint c di mt thng. Sprint ngn

hn th thi gian hp rt bt cho ph hp. Scrum Master m bo cc s kin c din ra

v ngi tham d hiu c mc ch ca s kin. Scrum Master cng hng dn mi ngi

lun lm vic trong khun kh thi gian c php.

Bui S kt Sprint c mt s c im sau:

Product Owner mi mi ngi tham d bao gm Nhm Scrum v nhng ngi lin quan;

Product Owner nhn bit phn no l Hon thnh v phn no cha Hon thnh;

Nhm Pht trin tho lun nhng iu thun li trong Sprint va qua, nhng kh khn

m nhm tri qua, v cch thc gii quyt cc vn ;

Nhm Pht trin trnh din cc phn vic Hon thnh v tr li cc cu hi ca c

ta v gi tng trng;

Product Owner trao i v Product Backlog. Da trn tin hin thi, Product Owner

a ra d on ngy hon thnh d n (nu cn);

Ton b nhm tho lun v nhng g s lm, nh bui S kt Sprint cung cp cc gi

tr u vo cho bui Hp K hoch Sprint tip theo;

R sot li th trng hoc ngi dng tim v nhng g th c gi tr nht lm vic

tip; v,

Xem xt li thi gian biu, ti chnh, c s vt cht, cng nh cc yu t th trng cho

bn pht hnh d kin ca sn phm.

Kt qu ca cuc hp S kt Sprint l mt bn Product Backlog c cp nht, vi cc hng

mc d nh s c trin khai trong Sprint ti. Product Backlog c th c iu chnh ton

din thch ng vi cc c hi mi.

Ci tin Sprint

Bui hp Ci tin Sprint (Sprint Retrospective) l c hi Nhm Scrum t thanh tra v a

ra k hoch cho cc ci tin trong Sprint tip theo.

Bui hp Ci tin Sprint c t chc ngay sau S kt Sprint v trc khi cuc Hp K hoch

Sprint tip theo din ra. Cuc hp ny c ng khung trong phm vi ba gi cho cc Sprint

mt thng. Sprint ngn hn th cuc hp s c rt ngn li cho ph hp. Scrum Master m

bo cc s kin c din ra v ngi tham d hiu c mc ch ca s kin. Scrum Master

cng hng dn mi ngi lun lm vic trong khun kh thi gian c php. Trong cuc

hp ny, Scrum Master tham d nh l mt thnh vin ca nhm chu trch nhim v quy

trnh.

Mc ch ca cuc hp Ci tin Sprint l :

Thanh tra li tt c cc yu t trong Sprint va din ra, t con ngi, cc mi quan h, quy

trnh, v cng c;

Nhn bit v xp t li cc hng mc ch cht c thc hin tt, v cc ci tin d

nh; v,

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

Trang | 11

To ra mt k hoch trin khai cc ci tin cch thc lm vic ca Nhm Scrum.

Scrum Master khuyn khch Nhm Scrum ci tin, trong phm vi khung lm vic Scrum, quy

trnh pht trin v cc bin php thc hnh nng cao hiu qu v th v cho Sprint tip

theo. Trong cuc hp Ci tin Sprint, Nhm Scrum s lp k hoch gia tng cht lng sn

phm bng vic nh ngha li nh ngha Hon thnh khi cn thit.

Kt thc cuc hp Ci tin Sprint, Nhm Scrum phi nhn bit ra cc ci tin s c trin khai

trong Sprint ti. Vic trin khai cc ci tin ny chnh l s thch nghi ca bn thn Nhm

Scrum. Mc d cc ci tin c th c trin khai ti bt k thi im no , cuc hp Ci

tin Sprint cung cp mt phin lm vic chnh thc tp trung vo vic thanh tra v thch

nghi.

To tc Scrum

Cc to tc Scrum (artifact) hin th cc cng vic hoc cc gi tr bng nhiu cch hu ch

cung cp tnh minh bch cng nh cc c hi cho vic thanh tra v thch nghi. Cc to tc

Scrum c thit k ti a ha tnh minh bch v thng sut ca cc thng tin chnh yu

nhm m bo mi ngi c cng cch hiu thng nht.

Product Backlog

Product Backlog l mt danh sch sp th t tt c nhng g cn thit ca sn phm. N l

ngun yu cu duy nht th hin cc thay i trong sn phm. Product Owner l ngi chu

trch nhim v Product Backlog, ni dung ca n, s hin din, v th t cc hng mc trong

.

Product Backlog c th khng bao gi hon chnh. Phin bn sm nht ca Product Backlog

ch cho thy cc yu cu c tm hiu r rng t lc u tin. Product Backlog s tin ha

cng vi vi sn phm v mi trng m n s c s dng. Product Backlog l ng, n

thay i thng xuyn nhn bit nhng g m sn phm cn phi c c tnh cnh tranh

v hu ch. Chng no sn phm cn , th Product Backlog cng hin din.

Product Backlog lit k tt c cc tnh nng (feature), chc nng, yu cu, ci thin, v li cn

thit lm nn sn phm trong tng lai. Cc hng mc trong Product Backlog c m t

vi cc thuc tnh nh: m t, th t, c lng v gi tr.

Khi sn phm c a vo s dng v bt u mang li gi tr, th trng s cung cp cc

phn hi, Product Backlog s tr thnh mt danh sch ln hn v ton din hn. Nhu cu th

khng ngng thay i, v th mt Product Backlog l mt thc th sng ng. S thay i

trong cc yu cu nghip v, iu kin th trng, hay cng ngh c th dn n cc thay i

trong Product Backlog.

Trong trng hp nhiu Nhm Scrum lm vic vi nhau trn cng mt sn phm, mt Product

Backlog chung c dng m t nhng cng vic ti y ca Sn phm. Khi , cc hng

mc c th c nhm li theo mt tnh cht no .

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Vic lm mn Product Backlog l hot ng thm vo cc chi tit, c lng, v trnh t ca

cc hng mc trong Product Backlog. y l qu trnh lin tc, theo Product Owner v

Nhm Pht trin tho lun v cc chi tit ca tng hng mc. Trong sut qu trnh lm mn

ny, cc hng mc lin tc c xem xt v r sot cn thn. Nhm Scrum quyt nh cch

thc v thi im lm mn Product Backlog. Hot ng ny c th chim nhiu hn 10%

thi gian ca Nhm Pht trin. Tuy th, cc hng mc Product Backlog c th c cp nht

ti bt k thi im no theo ch quan ca Product Owner.

Product Backlog thng c sp xp theo cc gi tr, ri ro, u tin, v s cn thit.

Cc hng mc ng u danh sch s trc tip iu khin cc hot ng pht trin. Cng

th t cao hn, cc hng mc cng c quan tm nhiu hn, v c tp trung n lc nhiu

hn v chnh gi tr ca chng.

Cc hng mc c th t cao hn r rng v chi tit hn nhng mc v tr thp hn trong

Product Backlog. c lng s chnh xc hn nu nh hng mc r rng v chi tit hn; v tr

cng thp, hng mc cng t chi tit. Hng mc Product Backlog sp tham gia vo Sprint ti

thuc loi mn, c phn tch sao cho cc hng mc c th c hon thnh trong

khung thi gian ca Sprint. Hng mc Product Backlog c th hon tt trong mt Sprint c

coi l Sn sng, c th c chn ra trong bui Hp K hoch Sprint. Cc hng mc Product

Backlog thng r rng v minh bch hn sau khi c lm mn.

Nhm Pht trin chu trch nhim vic c lng cc hng mc Product Backlog. Product

Owner c th gy nh hng ln Nhm bng cch gip h hiu v la chn trong cc tnh

hung kh, nhng ngi trc tip lm vic s a ra con s c lng cui cng.

Kim sot tin hng n Mc tiu

Ti bt k thi im no, tng khi lng cng vic cn li t mc tiu phi c nhm

tng kt. Prododuct Owner theo di lng cng vic cn li t nht mt ln trong bui hp S

kt Sprint. Product Owner so snh gi tr ny vi lng thi gian cn li tnh t cc Sprint trc

nh gi tin hng n thi im d tnh hon thnh mc tiu ca d n. Thng tin

ny c minh bch trc tt c cc bn hu quan.

Rt nhiu phng php c th c s dng biu th tin cng vic, nh cc biu

burndown, biu burnup hay cc phng php d bo khc. Cc bin php ny c

chng minh l rt hu ch. Tuy nhin, nhng th ny khng thay th c tm quan trng

ca tnh thc nghim trong qu trnh pht trin. Trong cc mi trng phc tp, ta khng th

bit c nhng iu sp xy ra. Ch c th da trn nhng iu xy ra a ra cc quyt

nh cho tng lai.

Sprint Backlog

Sprint Backlog l tp hp cc hng mc Product Backlog c la chn pht trin trong

Sprint, km theo mt k hoch chuyn giao phn tng trng ca sn phm v hin thc

ha Mc tiu Sprint. Sprint Backlog l mt bn d bo ca Nhm Pht trin v nhng chc

nng s c trong phn tng trng tip theo v cng vic cn lm hon thnh phn tng

trng .

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

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Sprint Backlog cho thy tt c nhng vic Nhm Pht trin cn phi lm tin ti Mc tiu

Sprint.

Sprint Backlog l mt k hoch vi chi tit va nhng thay i v tin cng vic c

th nhn thy c trong cc cuc hp Scrum Hng ngy. Nhm Pht trin chnh sa Sprint

Backlog trong sut Sprint, v Sprint Backlog s c cp nht trongthi gian . S cp nht

ny xy ra khi Nhm Pht trin lm vic theo k hoch ca h, v hiu r hn v cc cng vic

cn thit t Mc tiu Sprint.

Mi khi c thm vic mi, Nhm Pht trin a vo Sprint Backlog. Khi cng vic bt u hay

kt thc, gi tr c lng v thi gian cn li hon tt cng vic c cp nht. Khi c

phn no ca k hoch l khng cn thit, chng s b b i. Ch c Nhm Pht trin mi

c th thay i Sprint Backlog trong Sprint. Sprint Backlog l mt bc tranh thi gian thc v

cng vic m Nhm Pht trin ln k hoch hon thnh trong Sprint, v n c bn thuc

v Nhm Pht trin.

Kim sot tin Sprint

Ti bt k thi im no trong Sprint, tng lng thi gian cn li hon thnh cng vic c

th tnh ton c. Nhm Pht trin s theo di con s ny thng xuyn, t nht l vo cc

cuc hp Scrum Hng ngy. Da vo vic theo di ny, h c th d bo v cc tin t

n Mc tiu Sprint. Theo , h s qun l c tin cng vic.

Gi tng trng

Gi tng trng (Increment) l tp hp tt c cc hng mc Product Backlog c hon

thnh trong sut Sprint hin ti v nhng Sprint trc . Cui Sprint, gi tng trng mi

phi tha mn iu kin Hon thnh, c ngha l n phi trng thi s dng c v tha

mn nh ngha ca Nhm Scrum v Hon thnh. Gi tng trng phi trng thi dng

c Product Owner c th quyt nh pht hnh (release) n.

Minh bch ha cc to tc

Scrum vn hnh da trn s minh bch. Cc quyt nh ti u ha gi tr v kim sot ri

ro da nhiu vo vic quan st trng thi ca cc to tc Scrum (artifact). Nu s minh

bch l y , cc quyt nh s tr nn d dng. Nu cc to tc khng minh bch, cc quyt

nh c th thiu st hoc tim n ri ro.

Scrum Master phi lm vic vi Product Owner, Nhm Pht trin, v cc i tng khc

hiu r ti sao cc to tc ny khng hon ton minh bch. C nhiu cch x l vic ny;

Scrum Master phi gip mi ngi p dng cch thc ph hp trong tnh thung thiu

vng s minh bch y . Scrum Master c th pht hin s minh bch khng y bng

vic thanh tra cc to tc, cc mu thm d, lng nghe nhng g c ni, v pht hin nhng

s khc bit gia nhng g d kin v kt qu thc t.

Nhim v ca Scrum Master l lm vic vi Nhm Scrum v t chc gia tng tnh minh bch

cho cc to tc ny. Cng vic ny i hi s hc hi, thuyt phc v thay i. Minh bch

khng phi l vic ngy mt ngy hai, m l c mt qu trnh.

nh ngha Hon thnh

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

Trang | 14

Khi mt hng mc Product Backlog hoc mt Gi tng trng cho l Hon thnh, mi ngi

phi hiu r Hon thnh nh th ngha l th no. Mc d vic xc nh r nh ngha ny

hon ton ph thuc vo tng Nhm Scrum, nhng mi thnh vin phi chia s chung mt

cch hiu v vic hon thnh mt cng vic, m bo tnh minh bch v thng sut. y

chnh l nh ngha Hon thnh (Definition of Done) cho Nhm Scrum; n c dng

nh gi khi no cng vic thc s hon thnh trn mi gi tng trng ca sn phm.

nh ngha thng nht s ch dn cho Nhm Pht trin nm c s lng hng mc Product

Backlog c th c la chn cho mt Sprint. Mc ch ca mi Sprint l chuyn giao Gi

tng trng ca cc chc nng c tim nng chuyn giao c tun th nh ngha Hon

thnh ca Nhm Scrum.

Mi Sprint, Nhm Pht trin chuyn giao mt Gi tng trng. Phn tng trng ny phi l

kh dng, Product Owner c th la chn v pht hnh ngay lp tc. Nu nh ngha v

Hon thnh l mt ca quy c, tiu chun hoc hng dn ca t chc, tt c cc Nhm

Scrum u phi tun th. Nu t chc cha c mt quy c nh vy th Nhm Pht trin ca

mi Nhm Scrum phi nh ngha Hon thnh cho tng sn phm. Nu nhiu Nhm Scrum

cng lm vic trn mt sn phm, th h phi cng nhau nh ngha mt cch hiu chung v

Hon thnh.

Mi gi tng trng c cng dn vo cc gi tng trng trc v c kim th ton

b m bo chng lm vic tt vi nhau.

Khi Nhm Scrum ngy cng trng thnh th nh ngha Hon thnh cng c m rng vi

cc ch tiu kht khe hn t cht lng cao hn. Bt k mt sn phm hay h thng no

u nn c mt nh ngha Hon thnh nh l tiu chun cho cng vic.

Li kt Scrum min ph v c gii thiu thng qua ti liu hng dn ny. Cc vai tr, to tc, s

kin v quy tc ca Scrum u c th iu chnh c, v mc d ta c th trin khai mt

phn Scrum, nhng khi , kt qu khng phi l Scrum. Scrum tn ti ch khi n vn hnh

c y nh l mt khung cha cc k thut, phng php v bin php thc hnh khc.

2014 Scrum.Org and ScrumInc. Offered for license under the Attribution Share-Alike license of Creative Commons, accessible at http://creativecommons.org/licenses/by-sa/4.0/legalcode and also described in summary form at http://creativecommons.org/licenses/by-sa/4.0/. By utilizing this Scrum Guide you acknowledge and agree that you have read and agree to be bound by the terms of the Attribution Share-Alike license of Creative Commons.

Trang | 15

Ghi nhn

Con ngi

Hng nghn ngi tham gia ng gp cho Scrum, chng ti ch l nhng c nhn u tin

th nghim n trong mi nm u tin. l Jeff Sutherland - cng tc vi Jeff McKenna, v

Ken Schwaber cng tc vi Mike Smith v Chris Martin. Nhiu ngi khc ng gp trong

nhiu nm, v nu thiu h th s khng th c Scrum nh ngy nay. David Starr cung cp cc

chi tit chnh v thc hin cng vic bin tp to nn phin bn hin nay ca Hng dn

Scrum.

Lch s

Ken Schwaber v Jeff Sutherland ln u tin cng trnh by Scrum trc hi ngh OOPSLA

nm 1995. Bi thuyt trnh ny v c bn h thng ha li nhng g Ken v Jeff hc c t

vi nm trc khi cng p dng Scrum.

Lch s ca Scrum tng i di. vinh danh cc ni s dng, chng ti mun nhc n

Individual, Inc., Fidelity Investments, v IDX (by gi l GE Medical).

Ti liu Hng dn Scrum c pht trin v duy tr hn hai mi nm nay bi Jeff Sutherland

v Ken Schwaber. Cc ngun khc s cung cp cho bn cc khun mu, quy trnh v cc chi

tit v cc bin php thc hnh, ng vin, v cng c vn hnh tt khung lm vic Scrum.

Chng s ti u ha nng sut, gi tr, sng to v lng t ho.