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  1. #1
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    Nov 2014
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    Difference Between HTTP1.0 and HTTP1.1?

    Difference Between HTTP1.0 and HTTP1.1?

  2. #2
    Member
    Join Date
    Mar 2015
    Posts
    40
    HTTP means Hyper Text Transfer Protocol.HTTP 1.1 generally an upgrade of limitations of HTTP 1.0.

    The main difference between them is:
    HTTP 1.0 can define 16 status codes
    HTTP 1.1 can define 24 status codes
    HTTP 1.0 authentication unsafe as it is not encrypted
    HTTP 1.1 safe as it uses a check-sum of username, password and one time value and uses encryption.

  3. #3
    Registered User
    Join Date
    Sep 2014
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    348
    Hi!

    Here's some differences between HTTP 1.0 and HTTP 1.1.

    HTTP 1.1 has a required Host header by spec.
    HTTP 1.0 does not officially require a Host header.

    HTTP 1.1 can have more than one request/response on the same HTTP connection.
    HTTP 1.0 you need to open a new connection for each request/response pair.

    HTTP 1.0 can define 16 status codes while HTTP 1.1 can define 24 status codes.

    HTTP 1.0 authentication is unsafe while HTTP 1.1 is safe as it uses username and password.

    Hope it helps!!

  4. #4
    Registered User
    Join Date
    Nov 2014
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    37
    HTTP 1.1 additionally permits you to have persevering associations which implies that you can have more than one solicitation/reaction on the same HTTP association.

    In HTTP 1.0 you needed to open another association for every solicitation/reaction pair. Also, after every reaction the association would be shut. This lead to some enormous productivity issues as a result of TCP Slow Start.

  5. #5
    Senior Member
    Join Date
    Jan 2015
    Location
    India
    Posts
    731
    HTTP 1.1 has a required Host header by spec.
    HTTP 1.0 does not officially require a Host header, but it doesn't hurt to add one, and many applications expect to see the Host header regardless of the protocol version.

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