Message-ID: <1672973369.2756.1711706255728.JavaMail.confluence@SDK-CLS-Event-01> Subject: Exported From Confluence MIME-Version: 1.0 Content-Type: multipart/related; boundary="----=_Part_2755_1537922784.1711706255727" ------=_Part_2755_1537922784.1711706255727 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Location: file:///C:/exported.html Thu=E1=BA=ADt ng=E1=BB=AF CDN

Thu=E1=BA=ADt ng=E1=BB=AF CDN

1. Cache CDN l=C3= =A0 g=C3=AC?

Original domain name: L=C3=A0 n=C6=A1i l=C6=B0u tr= =E1=BB=AF n=E1=BB=99i dung c=E1=BB=A7a b=E1=BA=A1n, t=E1=BB=AB =C4=91=C3=B3= c=C3=A1c nodes c=E1=BB=A7a CDN s=E1=BA=BD l=E1=BA=A5y v=E1=BB=81 =C4=91=E1= =BB=83 ph=E1=BB=A5c v=E1=BB=A5. =C4=90=C3=A2y l=C3=A0 th=C3=B4ng tin do b= =E1=BA=A1n cung c=E1=BA=A5p cho VNG Cloud.

Cache HIT: L=C3=A0 nh=E1=BB=AFng n=E1=BB=99i dung = =C4=91=C6=B0=E1=BB=A3c l=C6=B0u cache =E1=BB=9F c=C3=A1c nodes c=E1=BB=A7a = CDN, =C4=91=E1=BB=83 ph=E1=BB=A5c v=E1=BB=A5 tr=E1=BB=B1c ti=E1=BA=BFp cho = user.

Cache MISS: L=C3=A0 nh=E1=BB=AFng n=E1=BB=99i dung= kh=C3=B4ng =C4=91=C6=B0=E1=BB=A3c l=C6=B0u cache =E1=BB=9F c=C3=A1c node c= =E1=BB=A7a CDN, m=C3=A0 s=E1=BB=AD d=E1=BB=A5ng Original domain =C4=91=E1= =BB=83 ph=E1=BB=A5c v=E1=BB=A5 cho user. 

2. V=C3=AC sao c=C3=B3 Cach= e MISS?

CDN d=E1=BB=B1a v=C3=A0o monitor v=C3=A0 th=E1=BB=91ng k=C3=AA, =C4=91= =E1=BB=83 l=C6=B0u tr=E1=BB=AF nh=E1=BB=AFng n=E1=BB=99i dung c=C3=B3 nhi= =E1=BB=81u requests. =C4=90=C3=B3 l=C3=A0 nh=E1=BB=AFng n=E1=BB=99i dung Ca= che HIT. 

V=E1=BB=9Bi nh=E1=BB=AFng n=E1=BB=99i dung ch=C6=B0a =C4=91=C6=B0=E1=BB= =A3c request l=E1=BA=A7n n=C3=A0o, ho=E1=BA=B7c =C3=ADt khi =C4=91=C6=B0=E1= =BB=A3c request, s=E1=BA=BD =C4=91=C6=B0=E1=BB=A3c CDN xo=C3=A1 kh=E1=BB=8F= i cache.

Khi user c=E1=BA=A7n ph=E1=BB=A5c v=E1=BB=A5 nh=E1=BB=AFng n=E1=BB=99i d= ung n=C3=A0y, CDN s=E1=BA=BD li=C3=AAn h=E1=BB=87 v=E1=BB=9Bi Original doma= in name =C4=91=E1=BB=83 ph=E1=BB=A5c v=E1=BB=A5. Khi =C4=91=C3=B3 g=E1=BB= =8Di l=C3=A0 Cache MISS

3. Khi n=C3=A0o c=E1=BA=A7n= Purge Cache?

Khi b=E1=BA=A1n c=E1=BA=ADp nh=E1=BA= =ADt n=E1=BB=99i dung Original domain, v=C3=A0 c=E1=BA=A7n CDN c=E1=BA= =ADp nh=E1=BA=ADt l=E1=BA=A1i n=E1=BB=99i dung =E1=BB=9F Cache t=E1=BB=A9c = th=C3=AC, b=E1=BA=A1n c=C3=B3 th=E1=BB=83 ti=E1=BA=BFn h=C3=A0nh Purge Cach= e (xo=C3=A1 cache)

4. Transcode l=C3=A0 g=C3= =AC ?

Transcode l=C3=A0 d=E1=BB=8Bch v=E1=BB=A5 chuy=E1=BB=83n =C4=91=E1=BB=95= i =C4=91=E1=BB=8Bnh d=E1=BA=A1ng video c=E1=BB=A7a b=E1=BA=A1n t=E1=BB=AB m= p4 sang HLS 

5. Channel App, Live CDN, L= ive Channel l=C3=A0 g=C3=AC?

L=C3=A0 3 th=C3=A0nh ph=E1=BA=A7n ph=E1=BA=A3i c=C3=B3 =C4=91=E1=BB=83 c= =C3=B3 th=E1=BB=83 th=E1=BB=B1c hi=E1=BB=87n Live Stream

6. Link publish l=C3=A0 g= =C3=AC?

L=C3=A0 link d=C3=B9ng =C4=91=E1=BB=83 b=E1=BA=AFn lu=E1=BB=93ng live l= =C3=AAn vCDN.

7. Link playback l=C3=A0 g= =C3=AC?

L=C3=A0 link =C4=91=E1=BB=83 ng=C6=B0=E1=BB=9Di d=C3=B9ng cu=E1=BB=91i d= =C3=B9ng =C4=91=E1=BB=83 xem n=E1=BB=99i dung Media c=E1=BB=A7a b=E1=BA=A1n= .

8. Adaptive Bitrate (ABR) l= =C3=A0 g=C3=AC?

Trong tr=C6=B0=E1=BB=9Dng h=E1=BB=A3p b=E1=BA=A1n th=E1=BB=B1c hi=E1=BB= =87n Transcode t=E1=BA=A1i Origin c=E1=BB=A7a b=E1=BA=A1n v=C3=A0 b=E1=BA= =AFn c=C3=A1c lu=E1=BB=93ng HLS l=C3=AAn vCDN th=C3=AC b=E1=BA=A1n c=E1=BA= =A7n d=C3=B9ng ABR =C4=91=E1=BB=83 cung c=E1=BA=A5p cho ng=C6=B0=E1=BB=9Di = d=C3=B9ng cu=E1=BB=91i m=E1=BB=99t link duy nh=E1=BA=A5t =C4=91=E1=BB=83 xe= m live stream, thay v=C3=AC d=C3=B9ng c=C3=A1c link playback kh=C3=A1c nhau= c=E1=BB=A7a c=C3=A1c Live Channel m=C3=A0 b=E1=BA=A1n b=E1=BA=AFn HLS l=C3= =AAn.

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