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1 ط م ل ى ف ى ى د ى ف كى ف ف م ء م لى م كى م س ى ف كى ء Christian Larue 1

2 Agenda I u W S N I I O M W P Q & Enterprise Application Delivery Challenges ntrod cing Cisco id e Area Application ervices etw ork ntegration and Deploym ent n-depth Ex am ination of ptim iz ations anagem ent and AE latf orm s A 2

3 W W W E C i s c o Ap p l i c at i o n N et w o r k S o l u t i o ns D at ace nt e r Branch Internet I SR F W AC SM A p p l i cat i o ns A N C o nt e nt AE AE AVS S t o rag e Branch/ W A N D at a C e nt e r Wide Area Application Engine (WAE) I ntegrated S erv ices R ou ter (I S R ) I O S w ith N etf low, N BAR, Q os, I P -S L As Web C ach ing and V ideo S tream ing (AC N S ) Application V elocity S y s tem (AV S ) C ontent S w itch es (C S S / C S M / AC E) C ataly s t s w itch es G lob al S ite L oad Balancing (G S S ) F irew all M odu le (F WS M ) 3

4 W W B r anc h AN S S o l u t i o ns P erf orm ance and Consolid ation S olu tion S pecializ ed S olu tions W A A S W i d e -A re a A p p l i cat i o n S e rv i ce s A cce l e rat i o n F u l l L 2-3 i n t e g r a t i o n a n d t r a n s p a r e n c y H i g h e s t s c a l a b i l i t y a n d m a n a g e a b i l i t y O p t i m i z a t i o n s f o r s p e c i f i c a p p l i c a t i o n s F u l l y t e s t e d a g a i n s t c o r e s t o r a g e a n d a p p l i c a t i o n v e n d o r s o l u t i o n s C N S y s S p e c i a l i z e d V i d e o a n d S o f t w a r e d e l i v e r y p l a t f o r m ACNS Application and ontent etw ork ing tem R em o te U s er A N B ra nc h A A S A C E / C S S C S M A V S 4

5 T o day : B r anc h O f f i c e I T I s s u es A p p / f i l e/ p ri nt S erv ers B a c k u p S w i tc h L o c a l S to ra g e R o u ter C l i ents C o m p ani e s s p e nd 6 Bi l l i o n d o l l ars p e r y e ar o n b ranch s e rv e rs, s t o rag e, b ack u p and m anag e m e nt S o u rc e: ID C, G a rtner, C i s c o A na l y s i s T he av e rag e b ranch has 4-6 s e rv e rs S o u rc e: N em ertes R es ea rc h A p p l ic atio n p erf o rm anc e B a n d w i d t h l i m i t a t i o n s L a t e n c y a n d p a c k e t l o s s E n d u s e r e x p e r i e n c e I nf rastruc ture c o st / c o m p l ex ity F i l e, p r i n t a n d e m a i l s e r v e r s St o r a g e a n d b a c k u p W AN b a n d w i d t h D ata p ro tec tio n F a i l i n g b a c k u p s / l o s t d a t a Co s t l y o f f -s i t e v a u l t i n g Co m p l i a n c e 5

6 T h e W AN I s A B ar r i er T o C o ns o l i dat i o n A p p l i c a t i o n s a r e d e s i g n e d f o r L A N e n v i r o n m e n t s H i g h b a n d w i d t h L o w l a t e n c y R e l i a b i l i t y W A N c h a r a c t e r i s t i c s h i n d e r c o n s o l i d a t i o n A l r e a d y c o n g e s t e d L o w b a n d w i d t h L a t e n c y P a c k e t L o s s Client R ou nd T rip T im e (R T T ) ~ 0 m S Client L A N S w itc h S er v er R ou nd T rip T im e (R T T ) ~ m any m any m illis econds L A N S w itc h R o u ted N etw o r k L A N S w itc h S er v er 6

7 B andw i dt h B and w id th constraints k eep applications f rom perf orm ing w ell T oo m u ch d ata and too sm all of a pipe cau ses congestion, pack et loss, and b ack pressu re 7

8 Packet Loss, Congestion, and Retransmission P ack et loss and congestion cau se retransm ission w hich hind ers application perf orm ance and throu ghpu t Com m only cau sed b y satu rated d evice transm it q u eu es in the netw ork path P a c k et L o s s C o ng es ti o n 8

9 T h e I m p ac t o f P ac k et L o s s Throughput (Mbps) 4, , 010 3, , 010 2, , 010 1, , R = MSS RTT 1.2 p 0.5 R : Average Throughput M S S : P ac k et S i z e RT T : R oun d -Tri p Ti m P : P ac k et L os s e P a c k e t L o s s P r o b a b i l i t y A s s u m i n g y t e p a c k e t s i z e, a n d m s R T T % % % 0. 01% 0. 1% 1. 0% -B 9

10 L at enc y L a t e n c y i m p a i r s a p p l i c a t i o n p e r f o r m a n c e i n t h r e e w a y s : N e t w o r k l a t e n c y t h e a m o u n t o f t i m e n e c e s s a r y f o r a m e s s a g e t o t r a v e r s e t h e n e t w o r k T r a n s p o r t l a t e n c y t h e a m o u n t o f t i m e n e c e s s a r y f o r t h e t r a n s p o r t m e c h a n i s m ( T C P ) t o a c k n o w l e d g e a n d r e t r a n s m i t d a t a A p p l i c a t i o n l a t e n c y c h a t t i n e s s o f a n a p p l i c a t i o n p r o t o c o l c a u s i n g m e s s a g e s t o b e e x c h a n g e d a c r o s s t h e n e t w o r k R ou nd T rip T im e (R T T ) ~ m any m any m illis econds 10

11 T h e I m p ac t o f L at enc y R = MSS RTT 1.2 p 0.5 R : Average Throughput M S S : P ac k et S i z e RT T : R oun d -Tri p Ti m e Throughput M b p s Ex Ex pected pected Actu Actu al al P : P ac k et L os s K b p s 8 0 m s R ou nd T rip T im e (R T T ) 11

12 Agenda I u W S N I I O M W P Q & Enterprise Application Delivery Challenges ntrod cing Cisco id e Area Application ervices etw ork ntegration and Deploym ent n-depth Ex am ination of ptim iz ations anagem ent and AE latf orm s A 12

13 W C i s c o W AAS O v er c o m es t h e W AN Cisco W AAS is a solu tion that leverages a hard w are f ootprint ( W AE) in the rem ote of f ice and in the d ata center to overcom e application perf orm ance prob lem s in W AN environm ents R em ote O f f ice D at a C e nt e r R em ote O f f ice A N 13

14 B M O W B LAN-Li k e Ac c e s s t o V a r i o u s Ap p l i c a t i o n s File Services Sh a rep o in t S a v e 5 -M P o w erp o i nt p en K B W o rd D o c D o w nl o a d o f 8 M B M S S M S P a c k a g e S a v e 1 M o rd D o c 2 0 S ec 4 0 S ec S ec 1 5 S ec 3 0 S ec 4 5 S ec a il - E x ch a n g e D a t a P ro t ect io n N a ti v e W A A S E x c h a ng e % W A A S E x c h a ng e 1 0 % % B a nd w i d th C o ns u m ed 5 0 % % S na p M i rro r O p o f 1 G B ; T 3 / 8 0 B a c k u p O p o f 8 3 M B ; T 1 / 8 0 R es to re O p o f 8 3 M B ; T 1 / M i n 4 M i n 4 M i n 5 1 M i 2 2 M i 2 3 M i O p o O v N a v W A N n n n era ti n er ti e [ N etw o rk L i nk T 1, 8 0 m s L a tenc y ] O p era ti o n w i th W A A S 14

15 W AAS V i s i o n= C o ns o l i dat ed B r anc h C o n so lid a t ed B ra n ch C i s c o W A A S Cisco WAAS = 10X WAN Acce l e r a t ion = K e y E n a b l e r D a t a C en t er A p p / f i l e/ p ri nt S erv ers S w i tc h C l i ents R o u ter C i s c o A C E C C om om panies panies s s pend pend 6 6 B dollars per per y year on on b b ranch ranch s s erv ervers ers,, s s torage, b b ack acku u p and and m m anagem ent ent Source: Source: IDC, IDC, Gartner, Gartner, Cisco Cisco Analysis Analysis 2 2 M M illion illion b b ranch ranch f ile+ f ile+ print print s serv ervers ers are are s s h h ipped per per y year Source: Source: IDC IDC A p p / f i l e/ p ri nt S erv ers S to ra g e o g a n d d a t a p t n t d a t a t C o n t u L A N a t o t a p p t n Z b n I T a d m t n Design Goals: Servers, st ra e ro ect io cen ra liz ed in cen er in ed -sp eed ccess cen ra liz ed lica io s ero ra ch in ist ra io co st s Sea m less in t eg ra t io n in t o C isco p a ck et n et w o rk s B a c k u p 15 C i s c o W A A S

16 W M M Q Q O O C i s c o W AAS O p t i m i z at i o n Ar c h i t ec t u r e L 7 : Application O ptim iz ation V V i id d e e o o E W e e b E nt nt e e rp rp ri ris s e e F F i il le e L L o o cal b E E m m ai ail A l A p p p p s s S S e e rv rv i ice s s S S e e rv rv i ice s s t t he he r A A p p p p s s L 4 : T rans port O ptim iz ation N etw ork I nf ras tru ctu re Unified Management C C o o nt nt e e nt nt D D i is s t t ri rib b u u t t i io o n S S e e cu cu ri rit t y y T T C C P P F F l lo o w w O O p p t t i im m i iz z at at i io o ns ns ( ( T T F F O O ) ) A A p p p p l li icat i io o n C C l las s s i if f i icat i io o n and P P o o l li icy E E ng ng i ine L L o o g g i ical and P P hy hy s s i ical I Int e e g g rat i io o n o o ni nit t o o ri ring P P e e rs rs i is s t t e e nt nt S S e e s s s s i io o n-bas e e d d C C o o m m p p re re s s s s i io o n D D at at a R R e e d d u u nd nd ancy E E l li im m i inat i io o n ( ( D D R R E E ) ) u u al ali it t y y o o f f S S e e rv rv i ice C C o o re re R R o o u u t t i ing & & S S w w i it t chi ng ng S S e e rv rv i ice s s 16

17 Agenda I u W S N I I O M W P Q & Enterprise Application Delivery Challenges ntrod cing Cisco id e Area Application ervices etw ork ntegration and Deploym ent n-depth Ex am ination of ptim iz ations anagem ent and AE latf orm s A 17

18 S eam l es s, T r ans p ar ent I nt egr at i o n I n t e g r a t i o n i n t o t h e n e t w o r k f a b r i c w i t h h i g h a v a i l a b i l i t y, l o a d -b a l a n c i n g, a n d f a i l o v e r r e g a r d l e s s o f i n t e r c e p t i o n m e c h a n i s m Physical inline W C C Pv 2 Po licy-b ased R o u t ing C S M / A C E M o d u les C o m p l i a n c e w i t h n e t w o r k v a l u e -a d d e d f e a t u r e s Pr eser v at io n o f p ack et head er s C Q o S, N B A R, Q u,, S lassif icat io n - eu ing Po licing hap ing S ecu r it y - F ir ew all p o licies, A ccess C o nt r o l L ist s R ep o r t ing - N et F lo w, m o nit o r ing Src M D s t M a c A A A a c B B B Src M D s t M Src I P D s t I P a c BBB a c A A A Src T C P D s t T C P 8 0 Src I P D s t I P Src T C P D s t T C P 8 0 A P P D A T A o p t i m i z e d 18

19 O O O W C i s c o W AE W C C P v 2 D ep l o y m ent W C C P v 2 i n t e r c e p t i o n u t -o f -p at h w it h r ed ir ect io n o f f lo w s t o b e o p t im iz ed ( all f lo w s o r select iv e v ia r ed ir ect -list ) A u t o m at ic lo ad -b alancing, lo ad r ed ist r ib u t io n, f ail-o v er, and f ail-t hr o u g h o p er at io n S c a l a b i l i t y a n d h i g h a v a i l a b i l i t y S e a m U p t o 3 2 W A E s w it hin a ser v ice g r o u p and u p t o 3 2 r o u t er s L inear p er f o r m ance and scalab ilit y incr ease as d ev ices ar e ad d ed l e s s i n t e g r a t i o n T r ansp ar ency and au t o m at ic d isco v er y S u p p o r t ed o n all W A E p lat f o r m s rig rig inal F F low Intercep tion R R ed ed irection O O p p tim tim iz iz ed ed F F A low N Serv ice Group 19

20 W w W W W W AAS b as e net w o r k C l i ent S erv er A E A E 1. P ack e t s t hat m e e t co nf i g u re d cri t e ri a are i nt e rce p t e d and p as s e d t o t he W A E. 2. W A E p e rf o rm s co nf i g u re d o p t i m i z at i o ns and p as s e s t he p ack e t s t o t he s e rv e r, hi ch are i nt e rce p t e d o n t he o t he r e nd, and p as s e d t o t he A E. T he p art i ci p at i ng A E s au t o -d i s co v e r e ach o t he r. 3. O ri g i nal p ack e t d at a re cre at e d and p as s e d t o t he o ri g i n s e rv e r. 4. T he co nne ct i o n i s s p o o f e d and re t u rn t raf f i c p as s e s t hro u g h t he s am e t rans p are nt i nt e rce p t i o n and o p t i m i z at i o ns o n t he re t u rn p at h. 20

21 W O W W W O O W C i s c o W AE P B R D ep l o y m ent P o l i c y -B a s e d R o u t i n g ( P B R ) u t -o f -p a t h w i t h r e d i r e c t i o n o f f l o w s t o b e o p t i m i z e d ( a l l f l o w s o r s e l e c t i v e v i a a c c e s s -l i s t ) A E t r e a t e d a s a n e x t -h o p r o u t e r H i g h a v a i l a b i l i t y S e a m F a i l o v e r c a p a b i l i t y a l l o w s a s e c o n d a r y W A E t o b e u s e d s h o u l d t h e p r i m a r y W A E f a i l I P S L A s e n s u r e a v a i l a b i l i t y b y t r a c k i n g A E l i v e l i n e s s l e s s i n t e g r a t i o n T r a n s p a r e n c y a n d a u t o m S u p p o r t e d o n a l l W A E p l a t f o r m s a t i c d i s c o v e r y rig rig inal F F low P P olicy R R oute AE AE = = N N ex ex t H H op op O O p p tim tim iz A iz ed N ed F F low 21

22 W O O C i s c o W AE AC E D ep l o y m ent A p p l i c a t i o n C o n t r o l E n g i n e ( A C E ) S e a m I nd u st r y-lead ing scalab ilit y and p er f o r m f o r t he m o st d em and ing d at a cent er net w o r k s S u p p o r t s u p t o 1 6 G b p s t hr o u g hp u t, 4 M co ncu r r ent T C P co nnect io ns, and K co nnect io ns/ sec set u p l e s s i n t e g r a t i o n ance F u lly int eg r at ed w it h t he C at alyst ser ies o f int ellig ent sw it ches T r ansp ar ency and au t o m S u p p o r t ed o n all W at ic d isco v er y A E ap p liances I n d u s t r y L e a d i n g F u n c t i o n a l i t y S o lu t io n f o r scaling ser v er s, ap p liances, and net w o r k d ev ices V ir t u al p ar t it io ns, f lex ib le r eso u r ce assig nm ent, secu r it y, and co nt r o l Catalyst w w / / ACE A N O O p p tim tim iz iz ed ed F F low rig rig inal F F low 22

23 W W W W W W I nl i ne I nt er c ep t i o n D ep l o y m ent M o des I n-p at h, s i ng l e W A E I n-p at h cl u s t e r M G M T A N M G M T A N W A E 1 W A E 1 W A E 2 I n-p at h, s i ng l e W A E, re d u nd ant W A N l i nk s I n-p at h cl u s t e r, re d u nd ant W A N l i nk s M G M T A N M G M T A N W A E 1 A N W A E 1 W A E 2 A N 23

24 C i s c o W AE P h y s i c al I nl i ne D ep l o y m ent P h y s i c a l i n l i n e i n t e r c e p t i o n Physical in-p at h d ep lo ym ent b et w een sw it ch and r o u t er o r f ir ew all M echanical f ail-t o -w ir e u p o n har d w ar e, so f t w ar e, o r p o w er f ailu r e R eq u ir es no r o u t er co nf ig u r at io n S c a l a b i l i t y a n d h i g h a v a i l a b i l i t y S e a m T w o t w o -p o r t g r o u p s S er ial clu st er ing w it h lo ad -shar ing and f ailo v er R u w o r k p m r r o u t ed nd ant net at hs and asym et ic ing l e s s i n t e g r a t i o n T r ansp ar ency and au t o m at ic d isco v er y q su p p o r t, co nf ig u r ab le V L A N s S u p p o r t ed o n all W A E ap p liances Cisco WAE 4-p or t in l in e ca r d 24

25 W N N C i s c o W AAS Au t o -D i s c o v er y Cisco W AE d evices au tom atically d iscover one another and negotiate optim iz ation capab ilities P e r f o r m F l e x i b l e o p t i m e d p e r T C P c o n n e c t i o n i z a t i o n c o n f i g u r a t i o n u s i n g A T P E x c h a n g e o f p e e r c a p a b i l i t i e s a n d l i m i t a t i o n s A W W CCP v v 2 2 or P P B B R R W W CCP v v 2 2 or P P B B R R B A N A:B T T CP CP SY SY N N B B :A T T CP CP SY SY N N / / ACK A:B T T CP CP B B :A SY SY T NT N CP CP SY SY N N / / ACK ( ( m m ark ed ed ) ) ( ( m m ark ed ed ) ) A:B B B T T :A CP CP T T SY CP SY CP N N SY SY N N / / ACK ( ( m m ark ed ed ) ) ACCE I w w ould L L E E R R AT lik AT lik eio IO CO to accelerate N F IR M E D! th th is is connection! H H ere are m m y d d etails W A E 1 CO to accelerate N F IR M E D! W A E 2 I k k now Ack now W W AE AE led led 1 1 gise in th th Acceleration! e p p ath, let s H H ere accelerate! are m m y d d etails 25

26 Q W N o r p O p t i m i z i o C h l n-t ans ar ent at n al enges C o m p l e x c o n f i g u r a t i o n a n d p o s s i b i l i t y o f h u m a n e r r o r D o u b w o r k m f o r t les net anag em ent ef R eq u ir es m anag em ent o f t w o r o u t ing t o p o lo g ies R eq u ir es m anag em ent o f d u p licat e f eat u r e co nf ig u r at io n C o m p r o m i s e s n e t w o r k f e a t u r e s o f u p s t r e a m r o u t e r s, s w i t c h e s, a n d f i r e w a l l s L o ss o f v isib ilit y at L 3 / L 4 F ir ew all p o licies, A C L s o S, N B A R N et F lo w F ile/ P rint E m ail Ap p lication Serv ers A N B ack up Branch O f f ices D ata C enter 26

27 Agenda I u W S N I I O M W P Q & Enterprise Application Delivery Challenges ntrod cing Cisco id e Area Application ervices etw ork ntegration and Deploym ent n-depth Ex am ination of ptim iz ations anagem ent and AE latf orm s A 27

28 M S Addr es s i ng t h e W AN C h al l enges S ou rce L a t e n c y i t i g a t i o n B a n d w i d t h M a n a g e m e n t L i n k T h r o u g h p u t I m p r o v e m e n t T r a f f i c P r i o r i t i z a t i o n R u m b o f w o r k r o u t r f r o m t p p r o t o ed ced nu er net nd ip s chat y ap licat io n co ls I m p r o v e ap p r esp o nse t im e R ed u ce am t he W A N N eed o u nt o f d at a sent acr o ss I m p r o v e net w o r k t hr o u g hp u t b y o v er co m ing T C P inef f iciencies Pr io r it iz e select ed t r af f ic ( e. g. V o I P, S A P) o v er t he net w o r k A p p licat io n Pr o t o co l O p t im iz at io n O D at a R ed u nd ancy E lim inat io n ( D R E ) C o m T r ansp o r t F lo w O p t im iz at io ns ( T F O ) C isco I O Q T echnology b j ect / F ile C aching p r essio n o S, N B A R, N et F lo w L o c a l S e r v i c e s R ep lacem ent f o r ser v ices t hat b r anch o f f ice ser v er s p r o v id e C ent r ally m anag ed r em o t e ser v ices int er f ace 28

29 W N et w o r k s W i t h o u t C o m p r es s i o n C C o o ng ng e e s s t it oi o n! n! A N 29

30 W D at a T r ans f er W i t h o u t C o m p r es s i o n A N 30

31 W N et w o r k s W i t h C o m p r es s i o n N N o o C C o o ng ng e e s s t it oi o n o o r r L L e e s s s s C C o o ng ng e e s s t it oi o n A N 31

32 W D at a T r ans f er W i t h C o m p r es s i o n A N 32

33 C i s c o W AAS Adv anc ed C o m p r es s i o n D a t a R e d u n d a n c y E l i m i n a t i o n ( D R E ) : a p p l i c a t i o n -a g n o s t i c c o m p r e s s i o n e l i m i n a t e s r e d u n d a n t d a t a f r o m T C P s t r e a m s p r o v i d i n g u p t o : 1 c o m p r e s s i o n P e r s i s t e n t L Z C o m p r e s s i o n : s e s s i o n -b a s e d c o m p r e s s i o n p r o v i d e s u p t o a n a d d i t i o n a l 1 0 : 1 c o m p r e s s i o n e v e n f o r m e s s a g e s t h a t h a v e b e e n o p t i m i z e d b y D R E L Z L Z DRE DRE S y nc h ro ni z ed D R E C o ntex t 33

34 Adv anc ed C o m p r es s i o n B l o c k D i agr am S i g M a h i A d d N E na tu re tc ng ew ntri es D R E F IF O C a c h e S y nc h ro ni z a ti o n C a c h e S y nc h ro ni z a ti o n D R E F IF O S i g M a h i A d d N E na tu re tc ng ew ntri es F i ng erp ri nt C h u nk Id enti f i c a ti o n F i ng erp ri nt C h u nk Id enti f i c a ti o n L Z L Z T C P P ro x y T C P P ro x y 34

35 D R E C h u nk I dent i f i c at i o n F p m o d F p m o d F p m o d F p m o d F p m o d C h u nk 1 F p m o d N o b o u n d a ry f o u n d N o b o u n d a ry f o u n d N o b o u n d a ry f o u n d N o b o u n d a ry f o u n d B o u n d a ry i d e n t i f i e d! A n a l y z e i n c o m i n g d a t a s t r e a m s u s i n g a s l i d i n g w i n d o w t o i d e n t i f y c h u n k s E a c h c h u n k a s s i g n e d a 5 -b y t e s i g n a t u r e S i n g l e -p a s s u s e d t o i d e n t i f y c h u n k s a t m u l t i p l e l e v e l s B a s i c c h u n k s C h u n k a g g r e g a t i o n ( n e s t i n g ) A f t e r c h u n k s a r e i d e n t i f i e d, D R E w i l l b e g i n p a t t e r n m a t c h i n g F i r s t l o o k f o r l a r g e s t c h u n k s L o o k f o r s m a l l e r c h u n k s i f n e c e s s a r y 35

36 O D R E C h u nk I dent i f i c at i o n L L ev ev el el -0-0 C C h h u u nk nk B B a a s s i c i c C C h h u u nk nk ~ ~ b b y y tes tes L L ev ev el el -1-1 C C h h u u nk nk ~ b y tes ~ b y tes L ev el -2 C h u nk L ev el -2 C h u nk ~ b y tes ~ b y tes L ev el -3 C h u nk L ev el -3 C h u nk ~ b y tes ~ b y tes ri g i nal D at a Each chu nk is assigned a 5 -b yte signatu re 36

37 O O M M M M Cisco WAAS D R E P a t t e rn M a t ch in g ~ ~ b b y y tes tes ~ ~ b b y y tes tes ~ ~ b b y y tes tes ~ ~ b b y y tes tes D R E D at ab as e ri ri g g i i nal e e s s s s ag e e N O M A T C H N O M A T C H N O M A T C H N O M A T C H E E nco d d e e d d e e s s s s ag e e 37

38 D a t a R e d u n d a n cy E l im in a t ion : L a t ra m e f in a l e P r o c e s s D a t a R e d u n d a n c y E l i m i n a t i o n D a t a s u p p r e s s i o n. P r o c e s s L e m p e l Z i v S t a n d a r d c o m p u t a t i o n a l c o m p r e s s i o n. P r o c e s s M e s s a g e p i p e l i n i n g : A g r ég a t i o n d a n s u n e m ê m e f e n ê t r e T C P. P r o c e s s M u l t i p l e x i n g à t r a v e r s p l u s i e u r s s o c k e t T C P : A m él i o r a t i o n B D. R R E E D D U U N N D D A A N N T T D D A A T T A A SI SIG G N N A A T T U U R R E E S O O N N L L Y Y O RI G I N A L M ES S A G E O RI G I N A L M ES S A G E M D 5 N N E E W W D D A A T T A A D D A A T T A A A A N N D D SI SIG G N N A A T T U U R R E E S L Z L Z DRE DRE S Y N C H RO N I Z ED C O N T EX T 38

39 W C i s c o W AAS T r ans p o r t F l o w O p t i m i z at i o ns Cisco W AAS T ransport F low O ptim iz ations ( T F O ) is d esigned to overcom e com m on challenges associated w ith stand ard T CP im plem entations i n d o w S c a l i n g c a p i t a l i z e o n a v a i l a b l e b a n d w i d t h L a r g e I n i t i a l W i n d o w s m a x i m i z e t r a n s m i s s i o n a f t e r c o n n e c t i o n e s t a b l i s h m e n t f o r s h o r t -l i v e d c o n n e c t i o n s S e l e c t i v e A c k n o w l e d g e m e n t e f f i c i e n t p a c k e t l o s s r e c o v e r y a n d r e t r a n s m i s s i o n m e c h a n i s m s B i n a r y I n c r e a s e C o n g e s t i o n ( B I C ) q u i c k r e t u r n t o m a x i m u m t h r o u g h p u t u p o n c o n g e s t i o n Cu rrently m ostly relying on stand ard optim iz ations 39

40 L i nk U t i l i z at i o n Af t er W i ndo w S c al i ng CC ii ss co W W AA AA S S T T FF OO BD P P A A b b l l e e t t o o f f i i l l l l t t he p p i i p p e e!! Bandwidth OO ri ri gg ii nal M M WW SS L at e ncy 40

41 W W i t h o u t T C P P r o x y A N T I M E O U T! R E S E N D X? 41

42 W T C P P r o x y and T F O A N W i nd o w S c a l i ng L a rg e Ini ti a l W i nd o w s C o ng es ti o n M g m t Im p ro v ed R etra ns m i t X 42

43 T C P S aw t o o t h R etu rn to m a x i m u m th ro u g h p u t c o u l d ta k e a v ery l o ng ti m e! cw nd P ack e t l o s s P ack e t l o s s P ack e t l o s s P ack e t l o s s T C P S l o w s t art C o ng e s t i o n av o i d ance T i m e ( R T T ) 43

44 Cisco WAAS T CP F l ow O p t im iz a t ion P a c k et l o s s c a u s es c o nnec ti o n to enter i nto l i nea r c o ng es ti o n a v o i d a nc e ( + 1 c w nd p er A C K ) C c C i w s i s c ndc o o T d T F rof O O p p p p roedro v vbi d i y d eses th th rol o ro us u s g g h h p p u u t t 5 0 s % s i g i g o nini nf i f p c i c aa a nt c nt k et i m i m p p ro ro v v emem ents ents o o v v erers s ta ta ndnd a a rd rd T T C C P P i m i m p p l eml em enta enta ti tio o nsns L i nea r C o ng es ti o n A v o i d a nc e ( + 1 c w nd p er A C K ) cw nd TT FF OO TT CC PP E x p o nenti a l S l o w S ta rt ( 2 L x o p w k tsth rop er u gr h Tp Tu )t d u ri ng th i s p eri o d S lo w P r e s e n ta tio n _ ID s t art C o ng e s t i o n av o i d ance C is c o S y s te m s, In c. A ll r ig h ts r e s e r v e d. C is c o C o n fid e n tia l T im e (R T T ) 44

45 W W O W Ap p l i c at i o n-s p ec i f i c Ac c el er at i o n A p p l i c a t i o n a n d p r o t o c o l a w a r e n e s s E l i m i n a t e u n n e c e s s a r y c h a t t e r S a v e W A N b a n d w i d t h P r e -p o p u l a t e e d g e c a c h e a s n e c e s s a r y E n a b l e d i s c o n n e c t e d o p e r a t i o n s I n t e l l i g e n t p r o t o c o l a c c e l e r a t i o n R e a d -a h e a d, p r e d i c t i o n, a n d b a t c h i n g S a f e d a t a a n d m e t a d a t a c a c h i n g I m p r o v e s a p p l i c a t i o n r e s p o n s e t i m e P r o v i d e o r i g i n s e r v e r o f f l o a d W A A S v 4 a p p l i c a t i o n a d a p t e r s C I F S ( W i n d o w s F i l e S e r v i c e s ) i n d o w s p r i n t i n g A N A p p l i c a t i o n S p e c i f i c A c c e l e r a t i o n S a f e C a c h i n g Re a d -a h e a d P r e d i c t i o n B a t c h i n g A N O p t i m i z a t i o n DRE/ T F O / L Z r i g i n S e r v e r O f f l o a d e d 45

46 M W N e e d f or Ap p l ica t ion -Sp e cif ic Acce l e ra t ion Ex am ple: the CI F S protocol is notoriou sly chatty! G eneric com pression and f low optim iz ations are not enou gh perf orm ance lim ited b y latency! P ro t o co l v e rs i o n s e l e ct i o n U s e r a u t h e n t i ca t i o n U s e r a u t h o ri z a t i o n e t a d a t a o p e ra t i o n s F i n d f i l e F i l e o p e n, F I D L o ck s e g m e n t ra n g e s R e a d d a t a ri t e d a t a C l o s e f i l e 46

47 S CI F S P rox y P rot ocol : U n e sig n a l isa t ion im p ort a n t e T ransf er d u n f ichier M W ord d e 1 M o. P rovoq u e l échange d e m essage d e signalisation CI F S. Avec u n lien d e 4 0 m s d e d élaie cela revient à attend re 5 2 second s avant d e pou voir u tiliser le f ichier. 47

48 O m CI F S P rox y P rot ocol : L a sig n a l isa t ion e st g érée p a r WAAS M O f f m p F O Q U E R Y _ F I L E _ I N F O m e t a a t a r e a d c a c h e a b l e Q U E R Y _ P A T H _ I N F O m e t a a t a r e a d c a c h e a b l e F I N D _ F I R S T m e t a a t a r e a d c a c h e a b l e C h e c k D i r e c t o r y 0, m e t a a t a r e a d c a c h e a b l e T r a n s 0, m e t a a t a r e a d c a c h e a b l e F i n d N e x t 0, m e t a a t a r e a d c a c h e a b l e Q U E R Y _ F S _ I N F O 0, m e t a a t a r e a d c a c h e a b l e R E A D 0 % d a t a r e a d c a c h e a b l e L O C K / U N L O C K ( c a c h e a b l e ) s i g n a l i n g c a c h e a b l e T o t a l C a c h a b l e W R I T E d a t a w r i t e a s y n c h r o u n o u s S E T _ F I L E _ I N F O m e t a a t a w r i t e a s y n c h r o u n o u s S ice ix : eration req uency of op erations Categ ory n ActaStor 19, 6% -d 5, 3% -d 2 1, 1% -d 8% -d 2% -d 8% -d 5% -d 46, 2, 7% 76, 9% 12, 2% 2, 2% -d C l o s e ( n o n -d i r t y ) 1, 7% m e t a -d a t a a s y n c h r o u n o u s T o t a l a s y n c h r o n o u s 16, 1% S e s s i o n S e t u p A n d X 0, 6% s e s s i o n n o t c a c h e a b l e T r e e C o n n e c t A n d X 0, 4% s e s s i o n n o t c a c h e a b l e T r e e D i s c o n n e c t 0, 4% s e s s i o n n o t c a c h e a b l e L o g o f f A n d X 0, 3% s e s s i o n n o t c a c h e a b l e 9 0 % of all essages h and led loc ally N T _ C r e a t e _ A n d X ( O p e n ) 0 % s i g n a l i n g n o t c a c h e a b l e ~ % c a c h e a b l e i n C l o s e ( d i r t y ) m e t a a t a w r i t e n o t c a c h e a b l e D e l e t e 0, m e t a a t a w r i t e n o t c a c h e a b l e F l u s h 0, m e t a a t a w r i t e n o t c a c h e a b l e L O C K / U N L O C K ( n o t c a c h e a b l e ) 0, s i g n a l i n g n o t c a c h e a b l e T o t a l n o t c a c h e a b l e T o t a l 0 % 3, , 1% -d 3% -d 1% -d 7% 6, 8% 10 M S R P C 3-5% s i g n a l i n g n o t c a c h e a b l e c a c h e a b l e i n

49 O C Ca ch in g : L e ca ch e Le cache contient : arb orescence, répertoire, f ichier. Le cache se f ait au niveau d es segm R ead -Ahead / W rite B ack. ents d e f ichiers. W AE Ed ge f ait le versioning / W AE Core écrit su r le serveu r d d / u f L au thentif ication, les roits accès, le lock nlock sont ef ectu és par le serveu r. C l i ent L A N R o u ter R o u ter L A N N A S F IL E. DO C IP N etw o rk N AS A A A, O P E N, L O C K F iles P E N F IL E. D O A P P R O V E D, L O C K E D, V A L I D A T E D E d g e W A E C o re W A E 49

50 O W F P O p t a t CI S rot ocol im iz ion s Summary 1/2 P re-p o sit io n Fu ll & P a rt ia l File R ea d -a h ea d 9 3 % o f M essa g es H a n d led L o ca lly Seq u en ce P red ict io n / R ed u ct io n F i l e S erv er C o re i d e A rea N etw o rk E d g e W AE W AE f f lo a d in g File Server N eg a t ive R esp o n ses C a ch ed Fu rt h er O p t im iz a t io n I n L o ca l M o d e 50

51 W CI F S P rot ocol Corre ct n e ss Summary 2/2 T ra n sp a ren t C I FS A u t h en t ica t io n & A u t h o riz a t io n G lo b a l O p en -C lo se Sem a n t ics G u a ra n t eed ( Inc l u d i ng th e p ro p a g a ti o n o f th e L o c k i ng / S h a re M o d es a nd F i l e S erv er Q u o ta a nd E rro r M es s a g es ) F i l e S erv er C o re i d e A rea N etw o rk E d g e W AE W AE D a t a I n t eg rit y Flu sh o n C lo se D a t a I n t eg rit y m a in t a in ed d u rin g N et w o rk D isco n n ect io n s 51

52 Q G C i s c o W AAS P r i nt S er v i c es Centrally Managed Print Services P r i n t d r i v e r d i s t r i b u t i o n C l i e n t d r i v e r d o w n l o a d r e p o s i t o r y S t a t u s a n d h e a l t h r e p o r t i n g Su p p o rts A ny Printer F u l l f e a t u r e c o m p a t i b i l i t y J o b c o n t r o l a n d s t a t u s m o n i t o r i n g u e s t a n d d i s c o n n e c t e d p r i n t i n g Print Server Co nf igu ratio n N e t w o r k p a r a m e t e r s ( I P, n a m e, e t c ) u e u e d e f i n i t i o n a n d A C L s 52

53 Agenda I u W S N I I O M W P Q & Enterprise Application Delivery Challenges ntrod cing Cisco id e Area Application ervices etw ork ntegration and Deploym ent n-depth Ex am ination of ptim iz ations anagem ent and AE latf orm s A 53

54 M W AAS I nt u i t i v e C ent r al M anagem ent C o m p r e h e n s i v e M a n a g e m e n t C e n t r a l c o n f i g u r a t i o n D e v i c e g r o u p i n g o n i t o r i n g, s t a t i s t i c s A l e r t s, r e p o r t i n g E a s y -t o -u s e I n t e r f a c e G r a p h i c a l U / I, W i z a r d s I O S C L I R o l e s -b a s e d a d m i n i s t r a t i o n P r o v e n S c a l a b i l i t y s o f n o d e s R e d u n d a n c y a n d r e c o v e r y 54

55 W AAS P l at f o r m s Appliances & Network Modules Pl a tf or m H a r d w a r e Positioning Pr ic ing a nd A v a il a b il ity N M -W A E 1 G H z + I ntel P r o c; u p to 1 G B m em o r y ; u p to 1 20 G B S A T A s to r ag e R o u ter integ r ated b r anch s er v ices T ar g eted f o r M aj o r ity o f B r anch O f f ices P r icing : S tar ts f r o m $ 4, A v ailab ility : Decem b er N M -W A E W A E G H z P entiu m I V ; 1-2 G B m em o r y ; 25 0 G B S A T A dis k s to r ag e ( o ptio nal R A I D-1 ) Dedicated appliance f o r s m all-m ediu m edg e deplo y m ents P r icing : S tar ts f r o m $ 8, A v ailab ility : I m m ediate W A E W A E G H z Du al C o r e P entiu m I V ; 2-4 G B m em o r y ; G B S C S I dis k s to r ag e ( o ptio nal R A I D-1 ) Dedicated appliance f o r m ediu m -lar g e edg e o r co r e deplo y m ents P r icing : S tar ts f r o m $ 1 5, A v ailab ility : I m m ediate W A E W A E Du al 3. 2G H z Du al C o r e X eo n; 4 G B o f m em o r y u p to 1. 8 T B S C S I dis k s to r ag e Dedicated appliance f o r enter pr is e edg e o r co r e deplo y m ents P r icing : S tar ts f r o m $ 5 3, A v ailab ility : I m m ediate W A E N o te: A l l p ri c es a re U S D l i s t p ri c es. 55

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