Integrated Architecture Solutions (2)

• Extended Virtual Synchrony: Client-daemon secure-channel + server-server secure channel (requires 3 stages of encryption/decryption).

S

S

S

a

a

a

a

b

b

c

c

d

a

ok?

y

y

y

ok!

…

key agreement

protocol

membership

protocol

Enc

Dec

Dec

Enc

Dec

Dec

Enc

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